Which of the following tasks is least effective at preventing a computer virus?
a
Anti-virus software is up-to-date.

b
Anti-virus software performs routine scans.

c
Anti-virus software is set to scan your computer weekly.

d
Anti-virus software scans all documents that are downloaded.

Answer:

Written in Java

import java.util.*;

public class Project01{

public static void main(String[] args) {

 Scanner input = new Scanner(System.in);

 int num1,num2;

 System.out.print("Enter first number: ");

 num1 = input.nextInt();

 System.out.print("Enter second number: ");

 num2 = input.nextInt();

 System.out.println(num1+" + "+num2+" = "+(num1 + num2));

 System.out.println(num1+" - "+num2+" = "+(num1 - num2));

 System.out.println(num1+" * "+num2+" = "+(num1 * num2));

 System.out.println(num1+" / "+num2+" = "+(num1 / num2));  

 System.out.print("The average of your two numbers is: "+(num1 + num2)/2);

}

}

Explanation:

import java.util.*;

public class Project01 {

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

This line declares myfirstnum and mysecnum as integer

 int myfirstnum,mysecnum;

This line prompts user for first number

 System.out.print("Enter first number: ");

This line gets user input

myfirstnum= input.nextInt();

This line prompts user for second number

 System.out.print("Enter second number: ");

This line gets user input

 mysecnum = input.nextInt();

This line calculates and prints addition operation

 System.out.println(myfirstnum+" + "+mysecnum+" = "+(myfirstnum + mysecnum));

This line calculates and prints subtraction operation

 System.out.println(myfirstnum+" - "+mysecnum+" = "+(myfirstnum - mysecnum));

This line calculates and prints multiplication operation

 System.out.println(myfirstnum+" * "+mysecnum+" = "+(myfirstnum * mysecnum));

This line calculates and prints division operation

 System.out.println(myfirstnum+" / "+mysecnum+" = "+(myfirstnum / mysecnum));  

This line calculates and prints the average of the two numbers

 System.out.print("The average of your two numbers is: "+(myfirstnum + mysecnum)/2);

}

}

The statement can be proven by contradiction. Suppose that the set of arcs f, after their deletion, does not contain a cut.

A cut in a directed graph is a partition of the vertices into two disjoint sets, S and T, such that the source s is in S and the sink t is in T. Additionally, there must be no arcs going from S to T. Since f does not contain a cut, it means that there exists a path from s to t even after deleting all the arcs in f. However, this contradicts the assumption that f is a set of arcs after whose deletion there is no flow of positive value from s to t. If there is a path from s to t, it implies that there is still a flow from s to t, which means that f is not a set of arcs after which there is no flow. This contradiction shows that f must contain a cut. Therefore, we can conclude that if f is a set of arcs after whose deletion there is no flow of positive value from s to t, then f contains a cut.

Learn more about contradicts here:

https://brainly.com/question/28568952

#SPJ11

Answer:

plain text (.txt)

Explanation:

.docx, .docm and .rtf are proprietary document file format from Microsoft. It means, they are made to work well with Microsoft products, like Word and WordPad.

Answer:

D. Right-click the outlook folder, and open the permissions tab

Explanation:

Sorry it's late, but it's here now. Hopefully, this helps!

Answer:

D. Right-click the outlook folder, and open the permissions tab

Explanation:

All of the above may be considered a field replaceable unit (FRU).

A field replaceable unit (FRU) is a device or component of a computer, printer, network device, or other electronic device that can be easily removed and replaced by a technician without having to send the entire device to a repair facility. FRUs are typically parts such as motherboards, RAM modules, hard drives, power supplies, and other components that are removable and replaceable without a major overhaul of the device. By using FRUs, technicians can quickly replace defective parts in the field and have the device up and running again in a short amount of time.

An FRU is a device or component that can be removed and replaced without needing to go through complex or lengthy installation procedures. Examples of FRUs include LCD screens, power supplies, and hard drives.

To learn more about  field replaceable unit
https://brainly.com/question/30551435
#SPJ4

Answer:

Hope the below helps!

Explanation:

#Program for simple authentication routine

name = input("Enter name: ")

password = input("Enter password (must have at least 8 characters): ")

while len(password) < 8:

    print("Make sure your password has at least 8 characters")

    password = input("Enter password (must have at least 8 characters): ")

else:

    print("Your password has been accepted - successful sign-up")

Answer:

var newArray = array.OrderByDescending(x => x).Take(n).ToArray();

Explanation:

Write the find_index_of_largest() function (which returns the index of the largest item in an array). Eg: a = [1 3 5 2 8 0]; largest = find_index_of_largest ( a ); largest = 5; Question: Write the

A program that the user to enter a city name, and then prints Oh! CITY is a cool spot as follows:

City_name = input("Please enter a name or type Nope to terminate the program: ")

while( user_name != "Nope" ):

print("Oh! CITY is a cool spot" , City name)

City name = input("Please enter a name or type Nope to terminate the program: ")

A computer program may be defined as a series or set of instructions in a programming language that are utilized by the computer to execute successfully.

The variable "City_name" is used to store the input of the user. He might input his name or "NOPE" to terminate. Then we used a while loop to check if the user input NOPE. Then, we print Oh! CITY is a cool spot for "users input".

Therefore, a program that the user to enter a city name, and then prints Oh! CITY is a cool spot is well-described above.

To learn more about Computer programs, refer to the link:

https://brainly.com/question/1538272

#SPJ1

Answer:

b

Explanation:

Answer:

import java.io.*;

public class OnOffSwitch

{

public static void main(String[] args)

{

boolean onoffswitch = false;

String value = "false";

if (onoffswitch)

 {

   value = "true";

   onoffswitch = true;

 }

else

{

  value = "false";

   onoffswitch = false;

}

//

System.out.println(value);

}

}

Explanation:

Basically, the simple java program looks through the boolean state and checks, if the boolean value is true, then change the value, otherwise retain the value as default.

The straightforward Java application scans the boolean state and determines whether the value should be changed if it is true, or left alone if it is false.

To toggle the value of the onoffswitch variable, you can use a simple assignment statement along with the logical negation operator (!).

Here's the statement:

onoffswitch = !onoffswitch;

In this statement, the value of onoffswitch is negated using the ! operator. If onoffswitch is currently false, applying the logical negation will change it to true.

On the other hand, if onoffswitch is currently true, the negation will change it to false.

This way, the value of onoffswitch is toggled between true and false based on its current state.

By assigning the negated value back to onoffswitch, you effectively update its value to the toggled state.

Learn more about Coding click;

https://brainly.com/question/17204194

#SPJ6

Answer:

D

Explanation:

A camcorder is a portable device for recording audio and video. Thus, option D is correct.

A video is a recording of a motion, or television program for playing through a television. A camcorder is a device or gadget that is used to record a video. audio is the sounds that we hear and mix media is a tool used to edit the video.

Digital camcorders are known to have a better resolution. The recorded video in this type of camcorder can be reproduced, unlike using an analog which losing image or audio quality can happen when making a copy. Despite the differences between digital and analog camcorders, both are portable, and are used for capturing and recording videos.

A camcorder is a self-contained portable electronic device with video and recording as its primary function. A camcorder is specially equipped with an articulating screen mounted on the left side, a belt to facilitate holding on the right side, hot-swappable battery facing towards the user, hot-swappable recording media, and an internally contained quiet optical zoom lens.

Therefore, A camcorder is a portable device for recording audio and video. Thus, option D is correct.

Learn more about recording audio on:

https://brainly.com/question/27861365

#SPJ5

The following Systems Engineering Technical Reviews (SETRs) typically take place during the Concept Development Stage:System Requirements Review (SRR)System Functional Review (SFR)Preliminary Design Review (PDR)Critical Design Review (CDR)

In the System Hierarchy, during the Concept Definition stage, functions are allocated down to the Subcomponent level and Subcomponents are defined.This is a 150-word answer that correctly outlines the Systems Engineering Technical Reviews (SETRs) that typically take place during the Concept Development Stage.
These reviews provide an essential framework for assessing and evaluating technical progress across the life cycle of a product or project.
During the Concept Definition stage, functions are allocated down to the Subcomponent level and Subcomponents are defined. This is a crucial part of the engineering design process as it helps to ensure that the final product meets all of the required specifications and quality standards.

Learn more about  System Hierarchy here,
https://brainly.com/question/30348430

#SPJ11

Answer:

A computer virus

Explanation:

Self-explanatory

Answer:

i think....(b)

Explanation:

please say yes or no answer....

Answer:

Following are the C++ language code to this question:

#include <iostream>//header file

using namespace std;//use package

int main()//defining main method

{

   int x[10];//defining array

   int i,j,t;//defining integer variable

   cout<<"Enter numbers \n";//print message

   for(i=0;i<10;i++)//defining loop for input value

   {

       cin>>x[i];//input value in array

   }

   for(i=0;i<10;i++)//defining for loop for sorting value

   {

       for(j=i+1;j<10;j++)//sort value

 {

  if(x[i]>x[j])//use if to check greatest value

  {

      //use swapping

   t=x[i];//hold value in t

   x[i]=x[j];//use swapping

   x[j]=t;// hold value t  value

  }

 }

       cout<<x[i]<<" ";//print array

   }

   return 0;

}

Output:

please find the attached file.

Explanation:

In the above program, an array "x" and 3 integer variable "i, j, and t" is declared, in the the main method, it specifies the for loop value that is accessed from the end of the user.  

In the next step there are two loops that use the if block, where they swap the value, and then prints their value after swapping.

Answer:

try going to your settings and clear the data of the app,that might help but it if it doesn't, try deleting it and then download it again

C. 2 In a binary tree, each node can have at most two outgoing edges, one to the left child and one to the right child.

This is because a binary tree is a hierarchical data structure where each node can have zero, one, or two children. By definition, a binary tree restricts the number of children per node to a maximum of two.

Option A (0) is incorrect because in a binary tree, nodes are connected by edges, and each node except the root node must have at least one outgoing edge to its parent.

Option B (1) is incorrect because a binary tree can have both a left child and a right child, allowing for two outgoing edges from a node.

Option D (many) is incorrect because a binary tree is specifically defined as a tree structure where each node has at most two children. If a node had more than two outgoing edges, it would no longer be a binary tree but rather a different type of tree structure.

To learn more about binary tree click here

brainly.com/question/13152677

#SPJ11

Answer:

3

Explanation:

swap the 7 with the 22

swap the 7 with the 8

swap the 9 with the 22

The correct answer is d) Routers.Routers are network devices that operate at the network layer (Layer 3) of the OSI model.

They use IP (Internet Protocol) information to deliver packets through the internet or any network. Routers receive packets from one network and determine the optimal path to forward them to their destination network based on the IP addresses contained in the packets. They make routing decisions by analyzing the IP header information, such as source and destination IP addresses, subnet masks, and routing tables. Routers ensure that packets are delivered efficiently and accurately to their intended destinations across different networks.v

To learn more about  Routers   click on the link below:

brainly.com/question/31788873

#SPJ11

To find the inverse Laplace transform of F(s) = (s - 2)/(s² - 4s + 5) using MATLAB, you can use the ilaplace function.

Here is the MATLAB code:

syms s t

F = \((s - 2)/(s^2 - 4*s + 5);\)

f = ilaplace(F, s, t);

The inverse Laplace transform of F(s) is represented by the variable f.

To find the inverse Laplace transform of F(s) = (s - 2)/(s² - 4s + 5) in MATLAB, use the ilaplace function.

This function takes the Laplace transform expression, the Laplace variable, and the time variable, returning the inverse transform expression.

Read more about MATLAB here:

https://brainly.com/question/13715760

#SPJ4

Answer:

Application software

Explanation:

Application software may be explained as computer programs which are designed to performs specific functions or task or a certain business, educational or social problem. Application softwares are designed to serve end users according to purpose or need. Hence, they are different from system softwares which are required to aid operation of the computer. Application softwares may include ; spreadsheet programs like Microsoft Excel, Chrome browser, Safari, Slack, Gaming softwares and so on.

To create a table in MS Excel and indicate the effect of each account on the expanded accounting equation, you can follow these steps:

1. Open Microsoft Excel and create a new worksheet.

2. Label the columns as follows: Account, Assets, Liabilities, Owner's Equity.

3. Enter the following accounts in the "Account" column: Cash, Equipment, Office Supplies, Rental Income, Utilities Expense, Accounts Payable, Rental Counseling Service, Salaries Expense, Owner's Withdrawals.

4. Leave the Assets, Liabilities, and Owner's Equity columns blank for now.

Next, we will analyze each transaction and update the table accordingly:

Transaction 1: Miguel deposited $70,000 of his personal funds as an investment.

- Increase the Cash account by $70,000.

- Increase the Owner's Equity account by $70,000.

Transaction 2: Miguel bought equipment for $5,000 in cash.

- Increase the Equipment account by $5,000.

- Decrease the Cash account by $5,000.

Transaction 3: Miguel purchased office supplies for $1,500 on credit.

- Increase the Office Supplies account by $1,500.

- Increase the Accounts Payable (Liabilities) account by $1,500.

Transaction 4: Miguel received income from renting a property for $3,500 in cash.

- Increase the Cash account by $3,500.

- Increase the Rental Income account by $3,500.

Transaction 5: Miguel paid $800 for utilities.

- Decrease the Cash account by $800.

- Decrease the Utilities Expense account by $800.

Transaction 6: Miguel paid $1,200 of the equipment purchased on credit.

- Decrease the Accounts Payable (Liabilities) account by $1,200.

- Decrease the Equipment account by $1,200.

Transaction 7: Miguel received income from managing the rent of a building for $4,000 in cash.

- Increase the Cash account by $4,000.

- Increase the Rental Income account by $4,000.

Transaction 8: Miguel provided a rental counseling service to a client for $3,000 on credit.

- Increase the Rental Counseling Service account by $3,000.

- Increase the Accounts Payable (Liabilities) account by $3,000.

Transaction 9: Miguel paid $1,500 salaries to his secretary.

- Decrease the Cash account by $1,500.

- Decrease the Salaries Expense account by $1,500.

Transaction 10: Miguel made a withdrawal of $500 for his personal use.

- Decrease the Cash account by $500.

- Decrease the Owner's Equity account by $500.

Now, you can calculate the totals for the Assets, Liabilities, and Owner's Equity columns by summing the respective account values. The Assets column should include the totals of Cash, Equipment, and Office Supplies. The Liabilities column should include the total of Accounts Payable. The Owner's Equity column should include the total of Owner's Equity minus Owner's Withdrawals.

By creating this table and updating it with the effects of each transaction, you can track the changes in the expanded accounting equation (Assets = Liabilities + Owner's Equity) for Miguel's Rentals during the month of March.

To know more about MS Excel, visit

https://brainly.com/question/30465081

#SPJ11

Answer:

Developers don't need a special program to view or edit it.

It makes markup languages independent of hardware and software

Explanation:

Markup just means that it's easily readable by humans. However, you'll often need specific software to be able to edit it, as opposed to plaintext, which could be edited in notepad.

When operating relational databases on AWS, the advantages of utilizing Amazon RDS over Amazon EC2 are:

A. Automated backups

D. Software patching

When data is stored in one or so more tables (or "relations") of rows and columns it is simple to see and understand how distinct information structures relate to one another. A relational database is a repository of data that organises data in predefined relationships.

Relational databases are the best choice for sophisticated data processing and analysis. Tables can contain the same data in a non-relational database, but they cannot'relate' to one another. They may do so using a relational database. A relational database can be used to connect tables for client information and transactional data.

To know more about relational databases  visit:

https://brainly.com/question/14274747

#SPJ4

I understand that the question you are looking for is:

Which are benefits of using Amazon RDS over Amazon EC2 when running relational databases on AWS? (Choose two.)

A. Automated backups

B. Schema management

C. Indexing of tables

D. Software patching

E. Extract, transform, and load (ETL) management

Answer:

it should be 1920 by 1080

Explanation:

Answer:

chrome

Explanation:

The physical examination of a location where a wireless radio frequency (RF) network will be built is known as a wireless site survey.

To Learn more About  wireless site survey refer To:

https://brainly.com/question/15681936

#SPJ1

Suppose that the objects in a max-priority queue are just keys. the operation of MAX-HEAP-EXTRACT-MAX on the heap A=⟨15,13,9,5,12,8,7,4,0, 6,2,1⟩ is given below:

MAX-HEAP-EXTRACT-MAX extracts the max value from a priority queue and restores heap property by rearranging remaining elements.

Therefore, the priority queue is seen as  a queue where elements have priorities and are served accordingly. Higher priority elements are served first, followed by the queue order for elements with the same priority.

Learn more about priority queue  from

https://brainly.com/question/30780166

#SPJ1