Which of the following is an example of machine learning?

a
Encrypting

b
Block-based code

c
Autocorrect

d
Programming

Answer:  Here are the correct matches:

Select a Password  ---->   to protect a worksheet

drag the worksheet tab to the new position  ---->   to change the position of a worksheet

double-click the worksheet tab  ---->   to rename a worksheet

Press Ctrl and Page Up or Page Down keys  ---->   to navigate between worksheets

Explanation:  Confirmed correct.  :)

#Code in python

print("ENTER LOW, HIGH AND X")

low=int(input())

high=int(input())

x=int(input()) c=0

for i in range(low,high):  

if i%x==0:  

c++

print(c)

Python is an object-oriented, dynamically-semantic, interpreted high-level programming language. Its high-level built-in data structures, along with dynamic typing and dynamic binding, making it particularly appealing for use in rapid application development as well as as a scripting or glue language to join together preexisting components.  Python's syntax is also straightforward and quick to learn. Python allows packages and modules, which promotes the modularity and reuse of code in programs. For all popular systems, the Python interpreter and the comprehensive standard library are free to download in source or binary form and can be shared without restriction. Because Python increases efficiency, programmers frequently fall in love with it. The cycle of edit-test-debug is extremely quick because there is no compilation stage. Python scripts are simple to debug because a defect or incorrect input will never result in a segmentation fault. Instead, an exception is raised when the interpreter finds a mistake.

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True, the only difference between the get function and the >> operator is that get reads the first character typed, even if it is a space, tab, or the [enter] key.

What are functions and operators?

In programming terms, an operators used to manipulate individual data items and return a result while functions are blocks of organized, reusable code that is used to perform a single, related action.

They are different operators and they include:

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Answer:

The answer to 6 = Systems,

The answer to 9 = Web.

Broad reach  term is used to describe how mobile computing allows individuals to initiate real-time contact with other systems anywhere, any time since they carry their mobile device everywhere.

What exactly does mobile computing communication entail?

Most popular forms of technology for communication-

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#include <bits/stdc++.h>

//Defining our vector.

std::vector<char> idx;

int main(int argc, char* argv[]) {

   //We will fill our vector with input from the user.

   std::cout << "How many characters: ";

   int a; std::cin >> a;

   for(int i=0;i<a;i++) {

       char temp;

       std::cin >> temp;

       idx.push_back(temp);

   }

   //Reversing.

   reverse(idx.begin(), idx.end());

   //Clearing the window first

   system("clear");

   //Print the reversed vector.

   std::cout << "Reversed: [";

   for(auto const& i: idx) {

       if(i==idx.at(a-1)) std::cout << i;

       else std::cout << i << ", ";

   }

   std::cout << "]\n";

   return 0;

}

The designers of a database typically begin by developing a​ Data model to construct a logical representation of the database before it is implemented.

What is a data model?

A data model  in database is a type of data model that determines the logical structure of a database. It fundamentally determines in which manner data can be stored, organized and manipulated. They are three primary data models namely: relational, dimensional, and entity-relationship (E-R).

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A)False Host b can send acknowledgment.

B)False rwnd can change during TCP connection.

C)True rwnd is less than rcvr buffer.

D)False It is not required.

E) True size of file is 16 bite.

G)False acknowledgment number will not be 42.

The Transmission Control Protocol (TCP), a communications standard that enables computer hardware and software to exchange messages over a network, is referred to by the abbreviation "TCP." It is made to transmit packets across the internet and guarantee the successful transmission of data and messages through networks. Numerous internet applications, including as the World Wide Web (WWW), email, File Transfer Protocol, Secure Shell, peer-to-peer file sharing, and streaming video, heavily rely on TCP. To provide dependable packet transfer over IP, a transport protocol called TCP is used. Many of the issues associated with packet-based messaging, including lost, out-of-order, duplicate, and corrupted packets, are addressed by the mechanisms built into TCP.

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The 11th subnet range is = 10.10.0.0 to 10.10.255.255

The broadcast address of the 2nd subnet will be = 10.1.255.255

The assignable address range for the 9th subnet will be = 10.8.0.1 to 10.8.255.254

5 is the subnet number for the 6th subnet

Each device has an IP address made up of two parts: the client, also known as the host address, and the server, also known as the network address. A DHCP server or a user must manually configure IP addresses (static IP addresses). The subnet mask divides the IP address into host and network addresses, designating which portion of the address belongs to the device and which to the network. A gateway, also known as the default gateway, joins local devices to other networks. As a result, whenever a local device wants to send data to a device with an IP address on a different network, the gateway receives the packets first and then passes them on to the intended recipient outside of the local network.

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An arch, as used in architecture, is any method other than a lintel used to cross an aperture. Curves define true arches.  A vault is an arched ceiling or roof made of stone, brick, or concrete; wood or plaster may also be used as an imitation.  A dome is a circular base-mounted vault with an equal curvature.

The Etruscans taught the arch to the ancient Romans, who improved it and were the first architects and builders in Europe to use it to its full potential for structures above ground. The benefits of the arch, the vault, and the dome were fully appreciated by Roman builders before anyone else in Europe or possibly the entire world.

Note that a vault is a brick, stone, or concrete ceiling that is said to be constructed using the arch design principle. A tunnel vault, also known as a barrel vault, is a semicircular extension of an arch that resembles a tunnel and can be imagined as an uninterrupted line of arches packed close together, one behind the other.

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Answer:  The correct answer is Programs that are called via CLI

Explanation:  Command Line Interface applications (CLI) are typically used to call other CLI programs, batch files or command prompt executables. Command-line interfaces are also referred to as command-line user interfaces, console user interfaces, and character user interfaces, though their intended use varies. CLI input can be entered as input commands by the keyboard and then run by the computer.

Answer:

Programs that are called via CLI.

the other options are non-examples because they are a different category of programs (GUI, graphics, and IDLE).

The data disks that you can back up to Vault5 are: DiskA, DiskB, DiskC, and DiskD.

A hard disk drive can be defined as an electro-mechanical, non-volatile data storage device that is made up of magnetic disks (platters) that rotates at high speed.

Virtualization simply refers to the creation of an abstract layer over computer hardware primarily through the use of a software, in order to enable the operating system (OS), storage device, server, etc., to be used by end users over the Internet such as a Virtual machine (VM).

In Computer technology, a Virtual machine (VM) that is integrated with a recovery service can be used to back up hard disk drive with a data storage space that ranges from 512 gigabyte (GB) to 30 terabyte (TB).

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Complete Question:

You have an Azure virtual machine named Computer5 and a Recovery Services vault named Vault5. Computer5 contains the following data disks:

• DiskA has a size of 512 GB

• DiskB has a size of 30 TB

• DiskC has a size of 26 TB

• DiskD has a size of 2.0 TB

Which data disks can you back up to Vault5?

Select only one answer.

DiskA only

DiskB only

DiskC only

DiskD only

DiskA, DiskB, DiskC, and DiskD

Answer: DiskA, DiskB, DiskC, and DiskD

Explanation: 512 gigabyte (GB) up to 30 terabyte (TB) is supported.

Option c subclasses cannot exist in a class that has been marked as final.

An object is produced from a class, which is a user-defined blueprint or prototype. It stands for the collection of traits or operations that all objects of a particular type share. A class in object-oriented programming is a template that defines the method s and variables in a certain type of object. Since an object has real values rather than variables, it is a specific instance of a class. One of the cornerstones of object-oriented programming is the concept of the class. Therefore, a basic class includes methods and how they are implemented. This class's methods can be used to take an action on the class's data as well as be used to construct an object or objects from the class's data. Inheritance is possible with this class.

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Designed for managing data stored in a relational database management system, SQL is a database language. IBM created SQL for the first time in the early 1970s (Date 1986).

The original SEQUEL (Structured English Query Language) version was created to access and handle data held in IBM's System R quasi-relational database management system. The first SQL implementation to be made commercially available was Oracle V2, which was released for VAX systems in the late 1970s by Relational Software Inc., later to become Oracle Corporation. In this chapter, we'll concentrate on utilizing SQL as a data defining language to build databases and table architectures (DDL).

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A code chunk which lets you review the structure of the data frame is  str(flavors_df)

What is a data frame?

A data frame is a two-dimensional table or array-like structure made up of rows and columns. It is typically used for the storage of data using R programming language in R Studio by.

In this scenario, "str()" refers to the function that allows the programmer to review the structure of the data frame while "flavors_df" refers to the name of the data frame which the "str()" function will take for its argument.

Here's the Complete Question:

Now that you’ve created a data frame, you want to find out more about how the data is organized. The data frame has hundreds of rows and lots of columns. Assume the name of your data frame is flavors_df. What code chunk lets you review the structure of the data frame?

str(flavors_df)

summarize(flavors_df)

select(flavors_df)

filter(flavors_df)

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The option that provides research abilities in Excel 2019 is option B: Smart Lookup.

Smart Lookup is a function that has the potential to be quite helpful. Simply right click on the cell in question and choose Smart Lookup to do a search. After that, Excel will start a Bing-powered search engine within the software, enabling you to look up what's in the cell online.

Note that You can easily access the features or actions you want to utilize by using the text field "Tell me" to input the words and phrases that describe what you want to do next.

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When setting up a virtual network for a virtual machine in VMware Workstation, you should choose the Bridged network adapter option if you want the virtual machine's IP address to work on the actual network.

When it's not possible to connect devices directly to a router or switch, a bridge enables you to connect two or more network segments together, allowing devices to join the network. If your business or home is a mixed-network setting, network bridging can be helpful. A mixed network is one that consists of some computers connected via Ethernet cables and others using wireless routers. A series of desktop hypervisor solutions called VMware Workstation enables users to run virtual machines, containers, and Kubernetes clusters.

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Considering the definition of the python function random, a possible output for the following code is:

1.0 <= r <= 2.0.

The calculation of the value of r is given as follows:

r = random.random() + 1

The command random.random() returns a random value between 0 and 1, inclusive.

Then, the number one is added to the value stored at variable r.

Then the interval that represents the possible outputs for the function is:

1.0 <= r <= 2.0.

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The Enigma machines that Germany utilized in World War II but that the Allies cracked are the most infamous example of cryptography.

A tangible object that carries out a cryptographic function (e.g., random number generation, message authentication, digital signature generation, encryption, or key establishment). For cryptographic operations, a cryptographic device must use one or more cryptographic modules. The number of remaining Enigma machines is unknown, however it is believed that there are a few more "hiding." It is known that there are roughly 300 Enigma devices in museums and private collections around the world.

By doing this, a rotor machine generates an intricate polyalphabetic substitution cipher that alters with each keystroke.

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The above problem is a simple programming prompt resolved using Phyton. See the relevant code below.

Guido van Rossum created Python, an interpreted, object-oriented, high-level programming language with dynamic semantics. It was first published in 1991.

Its design concept prioritizes code readability by employing heavy indentation. Python is garbage-collected and dynamically typed. It is compatible with a variety of programming paradigms, including structured, object-oriented, and functional programming.

Hence the above result is achieved using the following code:

user_input = input()

short_names = user_input.split()

short_names.pop(0)

short_names[-1] = 'Joe'

print(short_names)

The above code can be run on a Phyton compiler online or offline.

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Full Question:
Modify short_names by deleting the first element and changing the last element to Joe. Sample output with input: 'Gertrude Sam Ann Joseph'. Solve this problem with python

Answer:

A. MP3

Explanation:

ZIP file extensions are used to compress a file. This is used in the case of files that are too large and are needed to be compressed and to be extracted for later use.

MP4 file extensions are used to indicate that the file is a video. MP4 is just one of the many video file extensions.

PNG which stands for Portable Network Graphics, is used when saving pictures or images. I save my Photoshop and Canva designs in PNG because they seem more realistic in that file format.

It cannot be any of the other options as I have explained their use above. Besides, MP3 file extensions are used in saving music or audio files.

Answer:yes it would

Explanation:

The option to upgrade a laptop's memory is dependent on one major factor: The Purpose for which the laptop will be used.

Just like you'd need an SUV or tow truck to tow equipment or mobile home, and a tractor for agricultural purposes, laptops come with standard specs but with the flexibility to upgrade to accommodate the work requirements or tasks of its use.

Hence a gamer would require more RAM and processing power compared to someone whose job is writing and working with desktop publishing tools.

Hence, it is correct to state that the workload expected to be put on the laptop will determine if an upgrade to the Random Access Memory will be required.

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A function driving cost() with input parameters miles per gallon, dollars per gallon, and miles driven, that returns the dollar cost to drive those miles.

our program must define and call a function:

double DrivingCost(double drivenMiles, double milesPerGallon, double dollarsPerGallon)

#include <stdio.h>

double DrivingCost(double drivenMiles, double milesPerGallon, double dollarsPerGallon)

{

double dollarCost=drivenMiles/milesPerGallon*dollarsPerGallon;

return dollarCost;

}

int main()

{

double milesPerGallon=20.0, dollarsPerGallon=3.1599;

double cost=DrivingCost(10,milesPerGallon,dollarsPerGallon);

printf("%0.2lf ",cost);

cost=DrivingCost(50,milesPerGallon,dollarsPerGallon);

printf("%0.2lf ",cost);

cost=DrivingCost(400,milesPerGallon,dollarsPerGallon);

printf("%0.2lf\n",cost);

return 0;

}

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In course of the vulnerability scan you will provide that company with logins for various systems to aid in their scan, the term that best describes this is A privileged scan.

Intrusive scans try to take advantage of vulnerabilities once they are discovered. Use intrusive scanning with caution as it may interrupt your operational systems and processes, raise difficulties for your staff and customers, and highlight the potential danger and effect of a vulnerability.

Note that Credential-based vulnerability assessments, which use the admin account, do a more thorough examination by searching for issues that are hidden from network users.

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Social media have significantly increased in popularity in recent years and give people the chance to network, interact, and share globally.

Social networking sites are becoming an increasingly significant part of students' daily life, thus it's crucial to comprehend how technology affects the learning process. Even though university students use social media frequently, little research has examined in-depth how much they are embracing particular social media for learning. This study used a mixed-methods approach with three stages to look into how students utilize social media, and particularly social network sites, to promote learning. In the first step, data from an online survey of 812 university students regarding their use of social media was statistically analyzed.

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Using the knowledge of computational language in python it is possible to describe a method that combines the stability of the bisection method with the fast convergence of newton’s method.

def findzero(a, b, tol, maxit, f, df):

# Input:

# a, b = The endpoints of the interval

# tol = The required tolerance

# maxit = Maximum number of iterations

# f, df = The function and its dericative

# Output:

# star = approximation of root

# niter = number of iterations for convergence

# ierr =

# 0, the method converged

# 1, df was singular

# 2, maximum number of iterations has been reached

# Approximating the root

xi_1 = x0 = approximation_of_x0(a, b, f, 100)

# xi_1 is xi-1

for i in range(1, maxit + 1):

# Check if df is singular i.e df(xi_1) is equal to 0

if df(xi_1) == 0:

xstar = xi_1

ierr = 1

niter = i

break

# Calculate next x using Newton Method xi-1 i.e xi_1

xi = Newton_method(xi_1, f, df)

# Check if xi is in [a, b]

if xi >= a and xi <= b:

xi = (a + b)/2

# Check for Convergence

if abs(xi - xi_1) <= tol:

niter = i

xstar = xi

if i == maxit:

ierr = 2

else :

ierr = 0

break

# Check the third condition

if f(a)*f(xi) <= 0:

b = xi

else :

a = xi

# Check if maxiterations are completed

if i == maxit:

xstar = xi

ierr = 2

niter = i

# break

xi_1 = xi

return xstar, niter, ierr

def Newton_method(xi_1, f, df):

xi = xi_1 - (f(xi_1)/ df(xi_1))

return xi

def approximation_of_x0(a, b, f, iterations):

# Using bisection method to approximate the intial root

# if you want to approximate with more accuracy just increase the number of iterations

for i in range(iterations):

xi = (a + b)/2

if f(a)*f(xi) <= 0:

b = xi

else :

a = xi

x0 = (a + b)/2

return x0

# To check the code. i have tested on the sample function

# f = x^2 - 4 i.e 2 is the root of f

# df = 2*x

def f(x):

return (x**2) - 4

def df(x):

return 2*x

a, b = [0, 100]

tolerance = 10**-3

maxit = 19

xstar, niter, ierr = findzero(a, b, tolerance, maxit, f, df)

print("xstar : ", xstar)

print("niter : ", niter)

print("ierr : ", ierr)

if ierr == 0:

print("the method converged")

elif ierr == 1:

print("df was singular")

else:

print("max iterations are reached")

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Is this a SMART goal: B) No, SMART goals must be specific and measurable.

A SMART goal can be defined as a well-established tool that can be used by an individual, a project manager or business organization (company) to plan (create), track, and achieve (accomplish) both short-term and long-term goals.

Generally speaking, SMART is a mnemonic acronym and it comprises the following elements:

In conclusion, we can reasonably infer and logically deduce that Tomio's goal is not a SMART goal because it is neither specific nor measurable.

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Complete Question:

Tomio has been working as an assistant database analyst for three months. During a recent conversation with his supervisor, Tomio explained his goal "to improve his computing skills by the end of the year." Is this a SMART goal?

A) Yes, SMART goals should set a timeline for being achieved.

B) No, SMART goals must be specific and measurable.

C) No, SMART goals must have a target date.

D) Yes, SMART goals should be results-oriented.

Answer:

C. Repair upgrade

Explanation:

This option will allow personal files, apps, and settings to be saved while upgrading to Windows 10.

The type of installation you will recommend for Zach is a repair upgrade. The correct option is c.

A repair upgrade resolves Windows system problems while retaining your files, programs, and preferences. When your Windows 10 installation becomes erratic or slow, you will attempt anything to solve it, including system file checker, DISM, and check disk, to name a few.

To repair and upgrade to Windows 10, follow these steps:

Therefore, the correct option is c. repair upgrade.

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