An encryption system works by shifting the binary value for a letter one place to the left. "A" then becomes: 1 1 0 0 0 0 1 0 This binary value is then converted to hexadecimal; the hexadecimal value for "A" will be?
Answers
Answer:
a = 0x61 = 01100001, shifted: 11000010, hex: 0xC2
l = 0x6C = 01101100, shifted: 11011000, hex: 0xD8
g = 0x67= 01100111, shifted: 11001110, hex: 0xCE
Explanation:
The ascii character codes were actually for lowercase letters, whereas the assignment uses uppercase letters.
Related Questions
How do clinical information systems with decision support incorporate evidence-based information?.
Answers
Clinical Information systems helps in decision making by analyzing the data within the EHRs which reminders to assist the healthcare.
What is Clinical Information system?Clinical information system is the data which gives immediate information of the patients about their medical history, X-rays, laboratory reports etc.
CIS helps to support the evidence based information by analyzing the data within the EHRs which reminders to assist the healthcare.
It is also applicable cardiovascular disease (CVD) prevention also gives information on treatment, medication for changes in the health.
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State two differences between a mouse pointer and a mouse cursor
Answers
Answer:
explained below
Explanation:
The difference between the mouse pointer and cursor is as follows:
The mouse pointer is an arrow-like figure that appears on the screen of the computer. It is used to locate the different icons on the screen. It can move across the screen.
The cursor, however, is a blinking line that appears whenever you type something on the computer. It can be moved using the mouse and shows where your typed words will appear on the screen.
Answer:
Difference between a pointer and a cursorExplanation:
Mouse pointer:
- Used to locate different items on the screen
- You control it with your mouse like an invisible "hotspot"
Mouse cursor:
- Used when a mouse is moved over text or something that does not give a link/is not interactive
- You cannot click on objects with a mouse cursor, but you can select text.
Selah infects the ads on a website that users from her target company frequently visit with malware as part of her penetration test. What technique has she used
Answers
Selah infects the ads on a website with a technique called the Watering hole attacks.
What is Watering hole attacks?The Watering hole attacks is known to be a form of attack that depends on compromising or infecting a website that has or that targeted users who are known to often frequently visit.
So, Selah infects the ads on a website with a technique called the Watering hole attacks.
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Which type of attack involves changing the boot order on a PC so that the hacker can gain access to the computer by bypassing the install operating system
Answers
The type of attack that involves changing the boot order on a PC so that the hacker can gain access to the computer by bypassing is known as Physical attack.
What is physical attack in computer security?In a physical attack, this is known to be where an attacker is said to have physical access to any kind of physical asset in the area of the infrastructure system so that they can damage it, disable it, or others.
Note that based on the above, The type of attack that involves changing the boot order on a PC so that the hacker can gain access to the computer by bypassing is known as Physical attack.
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write a c program to find area of rectangle using user defined function.
Answers
Answer:
// C Program to Find Area of Rectangle
#include <stdio.h>
int main() {
float length, width, area;
printf("Enter the length & width of the rectangle::\n");
scanf("%f", &length);
scanf("%f", &width);
// It will calculate area of rectangle
area = length * width;
// It will print the final output
printf("\nArea of the rectangle is: %f units\n", area);
return 0;
}
Explanation:
#include <stdio.h>
// User-defined function to calculate the area of a rectangle.
int rectangleArea(int length, int width)
{
// Returns an integer value
return length * width;
}
int main()
{
// Declare the variable
int area;
//Input the length and width of the rectangle
area = rectangleArea(6, 19);
// Print the area
printf("%d", area);
return 0;
}
EXPLANATIONMain and rectangleArea are user-defined functions.
The area is length times width.
Input two integers to call the function to see the area.
A computer professional works in a field analyzing computer systems for
businesses and determining whether they are protected from cyber threats.
Which term best describes this field?
Answers
A term which best describes analyzing computer systems for businesses and determining whether they are protected from cyber threats is information technology.
What is information technology?Information technology can be defined as a field in computer science that typically deals with the use of computer systems to generate, process, store, retrieve, and exchange different types of electronic data and information over a secured network.
This ultimately implies that, information technology is a terminology which best describes analyzing computer systems used by business firms and determining whether they are protected from cyber threats.
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The four memory management techniques presented in this chapter share the requirement that the entire program being executed must be ____.
Answers
The four memory management techniques requires that the entire software program that's being executed must be loaded into memory.
What are the 4 memory management techniques?In Computer science, there are four memory management techniques and these include the following:
Single contiguous allocation.Partitioned allocation.Paged memory management.Segmented memory management.As a general rule, the aforementioned memory management techniques requires that the entire software program that's being executed must be loaded into memory.
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You have a Python web application with many dependencies that requires 0.1 CPU cores and 128 MB of memory to operate in production. You want to monitor and maximize machine utilization. You also to reliably deploy new versions of the application. Which set of steps should you take
Answers
The answer is option C.
Perform the following:
1) Create a Kubernetes Engine cluster with n1-standard-1 type machines.
2) Build a Docker image from the production branch with all of the dependencies, and tag it with the
3) Create a Kubernetes Deployment with the imagePullPolicy set to "IfNotPresent" in the staging namespace, and then promote it to the production namespace after testing.
What is Python used for?Python is known to be a form of computer programming language that is known to be used so as to create websites and software, automate tasks, and others.
Note that Python is said to be a general-purpose language and as such, for the case above, The answer is option C.
Perform the following:
1) Create a Kubernetes Engine cluster with n1-standard-1 type machines.
2) Build a Docker image from the production branch with all of the dependencies, and tag it with the
3) Create a Kubernetes Deployment with the imagePullPolicy set to "IfNotPresent" in the staging namespace, and then promote it to the production namespace after testing.
See options below
A.
Perform the following:
1) Create a managed instance group with f1-micro type machines.
2) Use a startup script to clone the repository, check out the production branch, install the dependencies, and start the Python app.
3) Restart the instances to automatically deploy new production releases.
B.
Perform the following:
1) Create a managed instance group with n1-standard-1 type machines.
2) Build a Compute Engine image from the production branch that contains all of the dependencies and automatically starts the Python app.
3) Rebuild the Compute Engine image, and update the instance template to deploy new production releases.
C.
Perform the following:
1) Create a Kubernetes Engine cluster with n1-standard-1 type machines.
2) Build a Docker image from the production branch with all of the dependencies, and tag it with the
3) Create a Kubernetes Deployment with the imagePullPolicy set to "IfNotPresent" in the staging namespace, and then promote it to the production namespace after testing.
D.
Perform the following:
1) Create a Kubernetes Engine (GKE) cluster with n1-standard-4 type machines.
2) Build a Docker image from the master branch will all of the dependencies, and tag it with "latest".
3) Create a Kubernetes Deployment in the default namespace with the imagePullPolicy set to "Always".
Restart the pods to automatically deploy new production releases.
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HELP! Write a program that generates 6 random numbers between 0 and 30, prints the numbers as shown, calculates the sum and the average of these numbers, and prints them
Answers
The program that generates 6 random numbers between 0 and 30 and makes mathematical computations is:
import random
import statistics
a = random.random()
b = random.random()
c = random.random()
d = random.random()
e = random.random()
f = random.random()
print("Generated Numbers:")
print(a, b, c, d, e, f)
seq = (a, b, c, d, e, f)
mean = statistics.mean(seq)
median = statistics.median(seq)
mode = statistics.mode(seq)
print("Mean =", mean)
print("Median =", median)
print("Mode =", mode)
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180. How is motion detection technology used to monitor and provide security for sensitive areas, and how can it deal with false positives
Answers
Motion detection technology are known to often triggers an alarm if they detects movement that occurs within its radius or field of view, or when something has been around for a long time.
How do motion detectors help in a security system?A motion sensor, or motion detector, is known to be a kind of an electronic device that one can use to find nearby people or objects.
Note that Motion sensors is one that can be configured to take record of date and time of motion detection, trigger lights, and others.
Hence, Motion detection technology are known to often triggers an alarm if they detects movement that occurs within its radius or field of view, or when something has been around for a long time.
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what are the advantages of hybrid computer
Answers
The advantages of hybrid computers are:
They have a large amount of computing speed speed that is often helped by the all-parallel configuration made by the analog subsystem. It is very useful in terms of numerical solutions for any work of differential equations and also in flight simulation.What is an advantage of hybrid computing?Hybrid cloud computing is known to be one that gives businesses a lot of control over their data and it is one that have a good or better security as it tends to lower the risk of exposure of data.
Note that,The advantages of hybrid computers are:
They have a large amount of computing speed speed that is often helped by the all-parallel configuration made by the analog subsystem. It is very useful in terms of numerical solutions for any work of differential equations and also in flight simulation.Learn more about hybrid computing from
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Ken is conducting threat research on Transport Layer Security (TLS) and would like to consult the authoritative reference for the protocol's technical specification. What resource would best meet his needs
Answers
As, Ken is conducting threat research on Transport Layer Security (TLS), the best resource that would best meet his needs is internet RFC's.
What are Internet RFCs?A Request for Comments (RFC) is known to be a kind of a formal document obtained from the Internet Engineering Task Force ( IETF ) and it is one that shows or tells the outcome of committee drafting and review done by interested parties.
Note that as Ken is conducting threat research on Transport Layer Security (TLS), the best resource that would best meet his needs is internet RFC's.
See options below
A. ACADEMIC JOURNAL
B. INTERNET RFC's
C. SUBJECT MATTER EXPERT
D. TEXTBOOKS
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The constructor for Object supports methods that are used to retrieve and define properties for any object. True False
Answers
The constructor for Object supports methods that are used to retrieve and define properties for any object is a True statement.
What is the constructor of an object?The Object constructor is known to be one that forms an object wrapper for any kind of given value.
When the value is null or undefined , it will form and return an empty object and as such, The constructor for Object supports methods that are used to retrieve and define properties for any object is a True statement.
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Write a function named swapFrontBack that takes as input an array of integers and an integer that specifies how many entries are in the array. The function should swap the first element in the array with the last element in the array. The function should check if the array is empty to prevent errors. Test your function with arrays of different length and with varying front and back numbers.
Answers
Answer:
#include <iostream>
#include <vector>
using namespace std;
void swapFrontBack(vector<int>& nums) {
if(nums.size() < 2) {
return;
}
swap(nums[0], nums[nums.size()-1]);
}
void printit(vector<int>& arr) {
for(int i = 0; i < arr.size(); i++) {
cout << arr[i] << " ";
}
cout << endl;
}
int main() {
vector<int> num1;
swapFrontBack(num1);
printit(num1);
num1.push_back(1);
swapFrontBack(num1);
printit(num1);
num1.push_back(2);
swapFrontBack(num1);
printit(num1);
vector<int> num2(10, 1);
num2[9] = 2;
swapFrontBack(num2);
printit(num2);
return 0;
}
Explanation:
In a relocatable dynamic partition scheme, the ____ contains a value that must be added to each address referenced in a program so that the system will be able to access the correct memory addresses after relocation. a. compaction register b. bounds register c. load register d. relocation register
Answers
In a relocatable dynamic partition scheme, the bounds register contains a value that must be added to each address referenced in a program.
What is bounds registers?This is known to be two registers that has its contents that are known are used to tell an area of memory where one can have access control.
Therefore, In a relocatable dynamic partition scheme, the bounds register contains a value that must be added to each address referenced in a program.
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PLS ANSWER, WILL GIVE BRAINLIEST
PHOTOGRAPHY: In 200 words or more explain the difference between deep and shallow depth field and when would you use either technique when taking a photograph?
Answers
Answer:
The difference between a shallow and a deep depth of field is how much of your photo is in focus.
Explanation:
With a shallow depth of field, only a small portion of it will be sharp. This will help your viewer focus on the most important part of the image.
You want to be super private with your email. You'd like to be able to download your email to a single device, then remove it from your email server. What email protocol can you use to do that?
Answers
in the case above, the email protocol can you use to do that is known to be POP3.
What are email protocol?There are some protocols that are often used to send or deliver email over the Internet and they are:
The Simple Mail Transfer Protocol (SMTP), The Post Office Protocol (POP), The Internet Message Access Protocol (IMAP).Hence, in the case above, the email protocol can you use to do that is known to be POP3.
See full question below
You want to be super private with your email. You'd like to be able to download your email to a single device, then remove it from your email server. What email protocol can you use to do that?
HTTP
POP3
IMAP
SMTP
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convert 4.75 base 10 to binary equivalent
Answers
Answer:
100
Explanation:
Self-driving cars are a result of developments in which field of computer
science?
Answers
Answer: I think Artificial Intelligence (AI)
Explanation:
All Java programs must have a main() method contained within a ________ ________ named the same as the file in which it is contained, except that the file will have a .java suffix.
Answers
Answer:
class
Explanation:
list three things that can spoil a printer if they are not of the correct specification and explain what damage may be caused
Answers
Explanation:
Debris, excess ink splatted around (from refilling probably) and the presence of small objects do contribute to paper jams and cause your printer to work inefficiently. Some printers have self-cleaning functions especially, for printer heads
What is the smallest value for the learning rate such that the updated network will result in zero misclassified points using only one iteration
Answers
The smallest value for the learning rate such that the updated network will result in zero misclassified points using only one iteration is known to be 0.
Can one have learning rate to be 0?The learning rate is known to be one that has a configurable hyperparameter and it is said to be often used in the training of neural networks which are known to have a small positive value and it is one that often range from 0.0 and 1.0.
Hence, The smallest value for the learning rate such that the updated network will result in zero misclassified points using only one iteration is known to be 0.
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A network of people and services with which we share ties and which provide support is.
Answers
A network of people and services with which we share ties and which provide support is social support.
What is Social support?This is known to be a form of “support that is opened to any body as a result of social ties to other people, groups, and the bigger community.
Note that A network of people and services with which we share ties and which provide support is social support.
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Computer networks make the sharing of these resources possible.
Answers
The computer networks that make the sharing of these resources possible are:
Files Hardware SoftwareWhat are computer networks?Computer networking are known to be a form of device or network that are said to be interconnected computing devices that helps in the exchange of data and share resources.
Note that The computer networks that make the sharing of these resources possible are Files, Hardware and Software
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In 25 words or fewer, explain why businesses use social media to digitally market their products.
Answers
Due to the accessibility of social media platforms, businesses have the opportunity to follow their potential customers. Social media marketers need to know more about their target market's needs, wants, and interests in order to develop a more effective marketing plan to draw in these potential customers.
What is social media?
Social media is a term used to describe online communication. Social media systems enable users to have discussions, exchange information, and create content for the internet.
Users utilize social media networks, sometimes referred to as digital marketing, as a platform to create social networks and share information in order to develop a company's brand, boost sales, and enhance website traffic.
Hence, the significance of the social media is aforementioned.
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An instance of ________ describes programming errors, such as bad casting, accessing an out-of-bounds array, and numeric errors. RuntimeException Exception Error Throwable NumberFormatException
Answers
An instance of Runtime Exception describes programming errors, such as bad casting, accessing an out-of-bounds array, and numeric errors.
What is a runtime exception?The Runtime Exception is known to be the parent class that is often seen in all exceptions of the Java programming language that are known to crash or break down the program or application when they happen.
Therefore, An instance of Runtime Exception describes programming errors, such as bad casting, accessing an out-of-bounds array, and numeric errors.
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After configuring the role services on the Remote Desktop server, Jabez creates a collection for the Marketing group in the organization. He specifies multiple remote access servers for the collection. One of the users, Marion, complains to Jabez that whenever she connects to a Remote Desktop session and customizes the settings, these settings are not available to her on her next Remote Desktop session. If Jabez is able to fix this issue while maintaining load balancing, which of the following statements is true?
A) Jabez removed Marion from the Marketing group and added her to another group.
B) Jabez removed the Remote Desktop Connection Broker service.
C) Jabez created a shared folder that is accessible to remote servers in the collection.
D) Jabez rebooted the remote access server.
Answers
The option that is true is option C: Jabez created a shared folder that is accessible to remote servers in the collection.
What are servers?A server is known to be a form a computer program or device that helps to give a service to a given computer program and its user.
Note that in the case above, The option that is true is option C: Jabez created a shared folder that is accessible to remote servers in the collection.
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Despite how well you might take care of your computer, problems can always arise. when troubleshooting problems you encounter, at what point should you engage a professional for assistance? why? at what point might you consider purchasing a new computer?
Answers
If troubleshooting problems is the one you encounter, the best thing to do is for one to get a professional to help one to see if the problem with the hardware is one that is within the computer chassis.
What is troubleshooting?Troubleshooting is known to be a form of systematic method that is often used in problem-solving that is known to help one to see and also correct issues that are linked with complex machines, electronics, computers and software systems.
Hence, If troubleshooting problems is the one you encounter, the best thing to do is for one to get a professional to help one to see if the problem with the hardware is one that is within the computer chassis.
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When evaluating a website's content, whether or not the information is up to date is considered part of the ________ element.
Answers
The currency element constitutes information whether the information of the website is current or up to date.
WebsiteA website is a term used to describe unique publicly accessible web pages that are identified by a domain name. Information on websites is typically updated by website owners, hence, some websites may not be updated frequently when compared to others. Thus, the currency element is an element users take into consideration when evaluating a website's content, whether or not the information is up to date.
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What are three major events in computer science history?
Answers
Answer: In 1834, Charles Babbage announces the analysis engine.
1943: The birth of Mark I Colossus.
1954: First prototype of desktop calculators.
Explanation:
2).1943: The birth of Mark I Colossus. ...
3). 1954: First prototype of desktop calculators. ...