In a data model, an Entity is something that a user wants to track.
Entities represent real-world objects or concepts that are relevant to the system being designed. Examples of entities could be a customer, a product, or an order. Each entity is described by a set of attributes, which are the individual data points associated with the entity, such as a customer's name, address, or phone number.
To uniquely identify each instance of an entity, a Primary Key is used. The primary key is an attribute or a combination of attributes that have a unique value for each record in the entity. This ensures that there is no ambiguity when accessing or modifying records in the database.
In contrast, a Byte is a unit of digital information used to represent data, typically consisting of 8 bits. While bytes are used to store attribute values within entities, they are not directly related to the concept of tracking entities in a data model. Quark, on the other hand, is a term from particle physics and is not relevant to data modeling.
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______'s mobile group was disbanded by a former CEO who struggled to justify keeping talented engineers on underperforming projects.
Go-ogle's mobile group was disbanded by a former CEO who struggled to justify keeping talented engineers on underperforming projects.
In 2013, Goo-gle's then-CEO Larry Page announced the restructuring of the company's mobile division, which included the disbandment of the Android team and the creation of a new team led by Sundar Pichai, who is now the CEO of Go-ogle's parent company, Alphabet.
This restructuring was part of an effort to streamline the company's operations and focus on its core businesses. The move was controversial at the time, but has since been seen as a strategic decision that helped Go-ogle to better compete in the mobile market.
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What must the OS do when access is granted to append or update a file to more than one user? How approach this?
When access is granted to append or update a file to more than one user, the OS must ensure that only one user can make changes to the file at a time. This is typically done through the use of file locks.
The locks prevent other users from accessing the file while it is being modified. The OS must also ensure that changes made by one user do not overwrite changes made by another user, which can be achieved through the use of version control or conflict resolution mechanisms.
Overall, the approach to managing access to a shared file should prioritize collaboration and efficiency while also ensuring data integrity and security.
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A ___ type presents a set of programmer-defined operations that are provided mutual exclusion within it.
A "Mutex" type presents a set of programmer-defined operations that are provided mutual exclusion within it.
In computer science, a mutex, short for mutual exclusion, is a programming concept used to prevent two or more threads from executing a critical section of code simultaneously. A mutex provides a locking mechanism that allows only one thread to access a shared resource at a time, while other threads are blocked until the mutex is released.
Mutexes are commonly used in multithreaded programming environments to protect shared resources, such as global variables, from simultaneous access and modification by multiple threads. When a thread wants to access a shared resource, it must acquire the mutex associated with that resource. If the mutex is already held by another thread, the requesting thread will be blocked until the mutex is released.
Mutexes can be implemented using various techniques, such as semaphores or monitors, depending on the programming language and environment used. In addition to mutual exclusion, mutexes can also provide synchronization and communication between threads, allowing them to coordinate their activities and avoid race conditions.
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the it security officer for a large company has spent the past year upgrading security for the corporate network. employees working from home have personal firewalls running on their computers. they use a virtual private network (vpn) to connect to the corporate network. the corporate network utilizes the latest devices and techniques, including an intrusion detection system/intrusion prevention system (ids/ips), anti-malware protection, and firewalls. what security threat most likely still needs to be addressed?
Based on the said scenario, it shows that the IT security officer is one that has taken a lot of measures to be able to upgrade security for the said corporate network, such as the use of personal firewalls on the area of employees' computers, VPN for remote connectivity, etc.
What is the security threat?There can also be some other forms of potential security threats thathave to be addressed.
An example of that form of threat is the security threat of Social Engineering Attacks which is one that is able to pose a threat.
Note that the term Social engineering is one that is seen as the manipulation of people to have a form of unauthorized access to information or systems.
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Date attributes contain calendar dates stored in a special format known as the __________ date format.
a. Epoch
b. calendar
c. Julian
d. logical
Date attributes contain calendar dates stored in a special format known as the calendar date format. In this format, dates are represented as a single numeric value, typically counting the number of days elapsed since a particular reference date, such as January 1, 1900 (for Microsoft Excel) or January 1, 1970 (for Unix-based systems).
This numeric representation allows for easy mathematical calculations and comparisons, making it convenient for storing and manipulating dates in computer systems and databases. However, it requires conversion to a human-readable format for display or interpretation, using appropriate functions or algorithms in programming languages or applications.
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name two types of information that you can obtain using netstat.
Using netstat, you can obtain two types of information: active network connections (including their local and remote IP addresses and port numbers) and network statistics such as the total number of packets sent and received.
Netstat (network statistics) is a command-line tool available in most operating systems that displays information about network connections and network statistics. Here are two types of information that can be obtained using Netstat:
Active Network Connections: Netstat can be used to display a list of all active network connections on the local machine, including the protocol used, the local and remote IP addresses, the state of the connection, and the process that owns the connection.Network Traffic Statistics: Netstat can also be used to display network traffic statistics, including the number of packets sent and received, the number of errors, and the number of bytes transmitted and received. This information can be used to troubleshoot network issues and identify potential security threats.Learn more about IP address here:
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SDH Two types of information that can be obtained using netstat are network connections and network statistics.
Network connections: Netstat can display a list of all current network connections to and from the local host, including the IP addresses and port numbers of the connected devices. This information can be useful for troubleshooting network connectivity issues or identifying potential security threats. Network statistics: Netstat can also display a variety of network statistics, such as the number of packets sent and received, the number of errors that occurred, and the amount of data that has been transmitted. This information can be useful for monitoring network performance, identifying bandwidth bottlenecks, and diagnosing network issues.
Overall, netstat is a powerful tool for monitoring network activity and diagnosing network problems. It provides detailed information about network connections and statistics, allowing network administrators to quickly identify and resolve issues as they arise.
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True/False:Whenever thread wakes from waiting, recheck state
The given statement "Whenever thread wakes from waiting, recheck state" is true because when a thread wakes up from waiting, it should recheck the state that caused it to wait in the first place before proceeding with its execution.
This is necessary to avoid race conditions and ensure that the thread is still operating under the expected conditions. For example, if a thread is waiting for a resource to become available and it wakes up, it should check if the resource is indeed available before proceeding to use it. If the thread does not recheck the state, it might end up using a resource that is no longer valid or miss an opportunity to acquire a resource that has become available.
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What are the three Ps in the triple bottom line of the three Pâs?
Answer:
Hi here's you're answer
Explanation:
The Ps refer to People, Planet, and Profit, also often referred to as the triple bottom line.
hope this help's stay happy =}
T or F. BIOS boot firmware was developed to provide better protection against malware than EFI does developed?
False. There is no evidence to support the claim that EFI offers superior malware protection than BIOS boot firmware. Malware attacks can target both BIOS and EFI.
EFI (Extensible Firmware Interface) and BIOS (Basic Input/Output System) are both types of boot firmware, however EFI was created to be more powerful and adaptable than BIOS. While EFI may have more sophisticated security features than earlier versions of BIOS, such as secure boot, this does not imply that it offers superior malware protection. The way a security feature is developed, configured, and maintained with security updates are just a few of the many variables that affect how successful it is. The setup and maintenance of the system, user behaviour, and the architecture of the hardware and software all play a role in how secure a system is in the long run.
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CCTV systems provide security personnel the capability to detect, identify, track, access, record, and coordinate response to unauthorized intrusions.
a. True
b. False
True, CCTV systems provide security personnel the capability to detect, identify, track, access, record, and coordinate response to unauthorized intrusions.
CCTV stands for Closed-Circuit Television, which refers to a system of video surveillance that is used to monitor and record activities in a specific area or location. CCTV systems typically consist of cameras, recording devices, and a display system that allows for real-time monitoring and recording of video footage.
CCTV systems are commonly used for security and surveillance purposes in various settings, including:
Public areas: CCTV cameras are often installed in public areas such as streets, parks, airports, train stations, bus terminals, and shopping centers to monitor and deter criminal activities, detect suspicious behavior, and ensure public safety.
Commercial and industrial premises: CCTV systems are commonly used in commercial and industrial settings such as offices, factories, warehouses, and retail stores to monitor employees, customers, and activities within the premises, prevent theft, vandalism, and unauthorized access, and enhance overall security.
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In the call MPI_Reduce(a, z, n, MPI_DOUBLE, MPI_SUM, 8, MPI_COMM_WORLD), each process contributes 8 elements to the reduction.True or False
False. In the MPI_Reduce() function call, the third parameter 'n' represents the number of elements in the buffer being reduced. Each process will contribute 'n' elements to the reduction, not 8.
The last parameter, 'root', specifies the rank of the process that will receive the result of the reduction operation. In this case, the result will be sent to process with rank 8. The reduction operation in this case is MPI_SUM, which means that the elements contributed by each process will be summed together. The data type of the elements is MPI_DOUBLE, which specifies that each element is a double-precision floating-point number. In summary, the statement "each process contributes 8 elements to the reduction" is false. The number of elements contributed by each process is determined by the value of the 'n' parameter, which is not specified in the given code snippet.
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The command "Add-WindowsFeature AD-Domain-Services" is used to _________>a. Add a domain featureb. Add AD DSc. Update the GCd. None of these
The command "Add-WindowsFeature AD-Domain-Services" is used to add AD Domain Services feature to a Windows Server. Therefore, the correct answer is a. Add a domain feature.
The command "Add-WindowsFeature AD-Domain-Services" is a PowerShell cmdlet used to install Active Directory Domain Services (AD DS) on a Windows Server. This cmdlet is used in versions of Windows Server prior to Windows Server 2012. In Windows Server 2012 and later versions, the command is "Install-WindowsFeature RSAT-ADDS".
PowerShell cmdlet is used to install Active Directory Domain Services (AD DS) on a Windows Server. AD DS is a Windows Server role that provides authentication and authorization services for a Windows domain.
When you run the "Add-WindowsFeature AD-Domain-Services" command, it installs the necessary binaries and other components required for AD DS to function. This includes the Active Directory database, the Active Directory Domain Name System (DNS) server, and other components such as Group Policy management tools.
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a network zone that allows remote access for employees of your company is known as a(n)
A network zone that allows remote access for employees of your company is known as a Virtual Private Network (VPN).
VPN stands for "Virtual Private Network" and describes the opportunity to establish a protected network connection when using public networks. VPNs encrypt your internet traffic and disguise your online identity. This makes it more difficult for third parties to track your activities online and steal data. The encryption takes place in real time. A VPN hides your IP address by letting the network redirect it through a specially configured remote server run by a VPN host.
Thus, we can state that a VPN creates a secure, encrypted connection between the employees' devices and the company's network, allowing them to access the resources securely.
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A Virtual Private Network (VPN) is an area of your company's network that enables remote access for its employees.
The term "Virtual Private Network," or VPN, refers to the possibility of creating a secure network connection when utilising public networks. VPNs mask your online identity and encrypt your internet activity. This makes it more challenging for outside parties to monitor your internet activities and steal data. Real-time encryption is employed. By allowing the network to route your IP address through a specially set-up remote server operated by a VPN host, a VPN can conceal your IP address.
So, we can say that a VPN establishes a safe, encrypted connection between the devices of the employees and the corporate network, enabling them to securely access the resources.
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27. What is the output of the following program?#include using namespace std; void showDub(int); int main() { int x = 2; showDub(x); cout << x << endl; return 0; } void showDub(int num) { cout << (num * 2) << endl; }a. 2 2b. 4 2c. 2 4d. 4 4
Output: 4 2. The program displays the double of a given number in a function, then outputs the original number in the main function.
The program defines a function called "showDub" that takes an integer parameter "num" and displays its double value. In the main function, an integer variable "x" is initialized with the value 2. Then, the "showDub" function is called with "x" as an argument. This will display the value of "x" multiplied by 2, which is 4. Finally, the value of "x" is displayed using "cout" statement, which is still 2. Hence, the output is "4" followed by "2".
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if parent signals before child, what happens? (join implementation)
In a join implementation, if the parent process signals before the child process, then the child process will remain blocked and the parent process will exit without waiting for the child process to complete.
This will result in a "zombie" process, which is a process that has completed execution but still has an entry in the process table, consuming system resources.
To avoid this scenario, the child process should be designed to handle the signal sent by the parent process using the sigaction() system call. This will allow the child process to complete its execution before the parent process exits. Alternatively, the parent process can use a wait() or waitpid() system call to wait for the child process to complete before exiting.
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What is MFT and how it works?
MFT stands for Master File Table and it is a crucial component of the NTFS (New Technology File System) used in Windows operating systems.
The MFT is essentially a database that keeps track of all the files and folders on a particular NTFS-formatted hard drive.
Each entry in the MFT contains information such as the file's name, creation and modification dates, size, and location on the hard drive. The MFT also stores security descriptors, which control access to the file or folder.
When a user requests a file or folder, the operating system consults the MFT to find the location and other details of the file or folder. This allows for quick access and efficient management of files and folders.
In summary, the MFT is a vital component of NTFS that organizes and tracks all the files and folders on a hard drive, enabling quick access and efficient management of data.
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Columns that are keys to different tables than the ones in which they reside are called ________. Attributes Foreign keys Primary keys Internal recordsNonlocal keys
Columns that are keys to different tables than the ones in which they reside are called Foreign keys.
A foreign key is a column or set of columns in a relational database table that provides a link between data in two tables. The foreign key in one table points to the primary key in another table. This establishes a relationship between the two tables, which can be used to retrieve data from both tables using SQL queries. ForeignKey constraints can be added to the foreign key columns to enforce data integrity and ensure that the data in the tables remains consistent.
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Java provides a mechanism known as ________, which makes it possible to write a method that takes a variable number of arguments.
variable-length argument lists
dynamic parameter lists
unary-signature templates
polymorphic byte codes
Java provides a mechanism known as variable-length argument lists, which makes it possible to write a method that takes a variable number of arguments.
Java provides a mechanism known as "variable-length argument lists", which makes it possible to write a method that takes a variable number of arguments. This allows for flexibility in the number of arguments that can be passed to the method, making it more adaptable to different use cases. This feature is supported by the use of "polymorphic byte codes" in the Java Virtual Machine, which allows for efficient handling of methods with varying numbers of arguments.Variable-length arguments, abbreviated as varargs, are defined as arguments that can also accept an unlimited amount of data as input. The developer doesn't have to wrap the data in a list or any other sequence while using them.A method with variable length arguments(Varargs) in Java can have zero or multiple arguments. Variable length arguments are most useful when the number of arguments to be passed to the method is not known beforehand. They also reduce the code as overloaded methods are not required.
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what is aliasing? group of answer choices the ability to have two or more distinct names that can be used to access the same memory cell. a compromise between compilers and pure interpreters; they translate high-level language programs to an intermediate language designed to allow easy interpretation. refers to case insensitivity in which a language ignores the case of variable, class, and function names. the ability of a program to intercept run-time errors (as well as other unusual conditions detectable by the program), take corrective measures, and then continue the flow of the program is determined by events such as user actions (mouse clicks, key presses), sensor outputs, or messages from other programs/threads.
Aliasing refers to the ability to have two or more distinct names that can be used to access the same memory cell. It can lead to unexpected results and errors in programs, as changes made to the memory location under one name may not be reflected under the other name.
To avoid aliasing issues, it is important to properly manage variable names and memory usage in a program.The correct answer is: "the ability to have two or more distinct names that can be used to access the same memory cell."Aliasing in computer programming refers to the ability to refer to a memory location by more than one name. This means that two or more distinct names can be used to access the same memory cell. Aliasing can occur in programming languages that allow pointers or references, which are variables that hold the memory addresses of other variables.
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A company uses the pictured data files. A new rechargeable battery pack is available for products that use AA batteries. Which of the following best explains how the data files in the table can be used to send a targeted e-mail to only those customers who have purchased products that use AA batteries to let them know about the new accessory?
answer choices
A. Use the customer IDs in the purchases file to search the customers file to generate a list of e-mail addresses
B. Use the product IDs in the purchases file to search the products file to generate a list of product names that use AA batteries
C. Use the customers file to generate a list of customer IDs, then use the list of customer IDs to search the products file to generate a list of product names that use AA batteries
D. Use the products file to generate a list of product IDs that use AA batteries, then use the list of product IDs to search the purchases file to generate a list of customer IDs, then use the list of customer IDs to search the customers file to generate a list of e-mail addresses
A statement which best explains how the data files in the table can be used to send a targeted e-mail to only those customers who have purchased products that use AA batteries to let them know about the new accessory is: D. Use the products file to generate a list of product IDs that use AA batteries, then use the list of product IDs to search the purchases file to generate a list of customer IDs, then use the list of customer IDs to search the customers file to generate a list of e-mail addresses.
What is a product?In Computer technology and Economics, a product can be defined as any physical object (tangible item) that is typically produced by a manufacturer so as to satisfy and meet the demands, needs or wants of every customer.
In this scenario, the employee should use the products file to generate a list of product identifiers (IDs) that make use of AA batteries and then search the purchases file to generate a list of customer identifiers (IDs), etc.
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
PLEASE ANSWER
Consider a system with 13 dedicated devices of the same type and all Jobs aurrently running on this system require a maximum of three devices to complete their execution but they each run for long periods of time with just two devices and request the remaining one only at the very end of the run. Assume that the job stream is endless and that your operating system's device allocation policy is a very conservative one. No Job will be started unless all the required drives have been allocated to it for the entire duration of its run.
a. What is the maximum number of jobs that can be in progress at once? Explain your answer.
b. Explain what are the minimum and maximum numbers of devices that may be Idle as a result of this policy.
c. Under what circumstances an additional job would be started?
a) Note that the in the case of a, the highest number of jobs that can be in progress at once is 6.
b) The least number of devices that may be idle as a result of this policy is 1.
c) an extra job can be started or commenced only if there is enought devices to run the entire duration.
What is the explanation for the above response?a. The maximum number of works that can be active at the same time will com to is six. This is due to the fact that each work requires a maximum of three devices to finish its execution, yet it runs for a long time with just two devices and asks the third at the very end of the run.
Because of this, at any one moment, only two devices are accessible for each job. Because each operation requires three devices to finish, only six jobs may be running at the same time.
b. Because each job requires a minimum of two devices to execute and there are 13 devices available, the minimal number of devices that may remain idle as a result of this policy is one.
As a result, at least one device is constantly idle. The maximum number of idle devices is seven, because only 6 jobs may be active at any given time, and each work requires a maximum of 3 devices to finish.
c. An extra job would be started only if there are enough devices available for it to run for the entire duration of its run. Since each job requires a maximum of 3 devices to completeed its execution, an
additional job would be started o nly if there are at least 3 devices that are not currently being used.
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Windows generates a number of special text files called _______________ files to track the progress of certain processes.
For a large organisation with hundreds of machines that need new software at the same time, network installation—in which the programme is deployed from a central place onto all computers at once—is the optimum installation technique.
Windows generates log files to keep track of system events, errors, and activities that occur during the operation of the system or specific applications. These files are stored in plain text format and contain information such as date and time stamps, error codes, and descriptions of events. They can be helpful in diagnosing issues and troubleshooting problems because they provide a detailed record of what happened and when. Log files can be viewed using built-in tools such as Event Viewer or third-party applications, and can also be used for auditing and security purposes.
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UNIX, NetWare, and Microsoft email servers create specialized databases for every email user. True or False?
in know the answer it is false
Of the controls or countermeasures used to control information security risk, which is viewed as the least expensive? What are the primary costs of this type of control?
The control or countermeasure that is often viewed as the least expensive for managing information security risk is the implementation of security policies and procedures. This type of control is considered cost-effective because it involves establishing guidelines and practices that employees must follow to ensure the security of information within an organization.
The primary costs of implementing security policies and procedures are mainly associated with the initial development and implementation of these policies. This may involve the time and resources required to identify the information security risks that need to be addressed and developing appropriate policies to mitigate these risks.
However, once established, the ongoing costs associated with maintaining these policies and procedures are minimal, making it an attractive and cost-effective option for managing information security risks. Overall, while the costs associated with implementing security policies and procedures may vary depending on the size and complexity of an organization, they are generally considered less expensive than other forms of controls or countermeasures.
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if cell e15 contains the function =pmt(b$15/12,c7*12,-d8), what type of cell reference is b$15?
If cell E15 contains the function =PMT(B$15/12,C7*12,-D8), then the cell reference B$15 is a mixed cell reference.
In a mixed cell reference, either the row or the column is fixed. In this case, the row is fixed (denoted by the $ symbol), while the column can change when the formula is copied to other cells.
In this case, the column reference "B" is absolute because of the dollar sign preceding it. This means that when the formula is copied or dragged to other cells, the column reference will not change, and will always refer to column B.
On the other hand, the row reference "15" is relative, because it does not have a dollar sign preceding it. This means that when the formula is copied or dragged to other cells, the row reference will change based on the position of the formula relative to the original cell.
By using a mixed cell reference, the formula can be copied or dragged to other cells while still maintaining a fixed reference to column B, but allowing the row reference to adjust dynamically based on the position of the formula relative to the original cell.
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If cell E15 contains the function =PMT(B$15/12,C7*12,-D8), then the cell reference B$15 is a mixed cell reference.
In a mixed cell reference, either the row or the column is fixed. In this case, the row is fixed (denoted by the $ symbol), while the column can change when the formula is copied to other cells. In this case, the column reference "B" is absolute because of the dollar sign preceding it. This means that when the formula is copied or dragged to other cells, the column reference will not change, and will always refer to column B. On the other hand, the row reference "15" is relative, because it does not have a dollar sign preceding it. This means that when the formula is copied or dragged to other cells, the row reference will change based on the position of the formula relative to the original cell.
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One of the challenges of deploying a cognitive computing application such as the Watson cancer advisor is keeping the information that the application draws on as current as possible.
Which of the following is not a good strategy for doing so?
a. Human experts must cull through the body of literature loaded into Watson and discard information that is out of date or no longer considered valid. b. Any information that conflicts with other sources of information should be automatically deleted. c. Human experts must vet new information—including the source of that information—before it is added to IBM Watson. d. Have human experts review the interactions Watson has with users and adjust the information in Watson based on the results of the review.
The strategy that is not a good one for keeping the information in a cognitive computing application such as Watson Cancer Advisor is that any information that conflicts with other sources of information should be automatically deleted.
Applications of cognitive computing are used to support human decision-making. Supporting doctors while they treat patients is a typical example of cognitive applications. In order to make decisions, they require all available information regarding the provided data. Therefore, it is not a wise idea to automatically delete the information that clashes with other sources because that information will help to identify the discrepancies.
This is because conflicting information may still be valid and useful in certain contexts and should instead be flagged for further review by human experts. It is important to involve human experts in the process of maintaining the application's knowledge base, as they can provide valuable insights and ensure that the information is accurate and up-to-date.
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The strategy that is not a good one for keeping the information in a cognitive computing application such as Watson Cancer Advisor is that any information that conflicts with other sources of information should be automatically deleted.
This is because conflicting information may still be valid and useful in certain contexts and should instead be flagged for further review by human experts. It is important to involve human experts in the process of maintaining the application's knowledge base, as they can provide valuable insights and ensure that the information is accurate and up-to-date.
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Which feature allows a function to return a value?
O A. Function return
OB. Control structure
OC. Function parameter
OD. Repeat variable
its a
True or False? A java interpreter is a program that translates Java source code into Java bytecode
True. A Java interpreter is a piece of software that reads and runs Java bytecode, which is produced by compiling Java source code.
True. A Java interpreter is a program that reads and executes Java bytecode, which is generated by translating Java source code using a compiler. The interpreter takes the bytecode instructions and executes them on the target machine. The bytecode is a platform-independent code, meaning that it can be executed on any machine that has a Java Virtual Machine (JVM) installed. This makes Java programs highly portable. The Java interpreter is different from the Java compiler, which is responsible for converting Java source code into bytecode. The interpreter is responsible for executing the bytecode and producing the output based on the instructions contained in it.
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A user calls to report a problem. She is trying to install an application on her new Windows 10 system but cannot. Her user account is a member of the Users group on the system. What do you suspect is causing the installation issue?
Given that accounts belonging to the Users group have restricted access to install software, the Users group membership of the user's account may be the root of the installation problem.
Unlike the Administrator group, which has more rights, the Users group is a default group in Windows. Software that alters system settings or other users' accounts cannot be installed by members of the Users group. This security measure is designed to stop harmful software installations that happen without the user's knowledge or consent. As a result, the user can be stopped from installing an application that needs elevated rights, like an antivirus or driver. Either have an administrator install the application on the system, or temporarily grant the user elevated access so they can install it.
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Which of the following procedures would be most useful as part of a program to determine whether a word appears in two different text files?
answer choices
A. A procedure getWords, which takes a positive integer n and a text file as input and returns the first n words in the text file.
B. A procedure textMatch, which takes two text files as input and returns true if the two text files are identical.
C. A procedure isFound, which takes a word and a text file as input and returns true if the word appears in the text file
D. A procedure sameSize, which takes two text files as input and returns true if the two text files contain the same number of words.
To ascertain whether a certain word is displayed in two varying text files, the most optimal procedure to employ is option C: the "isFound" method.
Why is this procedure used?This approach captures a specific word and an individual file as its input and returns a true response should that special word be present inside of the document.
Denoted by Option A("getWords"), it simply picks out the very first n words from a specified file but does not consider if a definitive term exists or not.
Correspondingly, Option B ("textMatch") evaluates if two text records are alike, which is dissimilar to gauging if a certain phrase is featured in both files.
As for Option D("sameSize"), this algorithm calculates if the quantity of words in each file consists of the same amount, dissimilar to discerning if a designated expression appears across them both.
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