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3 years ago

4. In Drag and Drop method of Excel , to copy the data , you need to press __________ key while dragging the cells.

Computers and Technology

1 answer:

alexgriva [62]3 years ago

6 0

Answer:

The control [Ctrl] key

Explanation:

While holding down left click and pressing control key it will copy to where you drag and drop it.

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"Explain the functionality of the different layers found in the network protocol stack of an operating system such as Linux"

arsen [322]

Answer:

There are 7 layers in linux.

Explanation:

As networking is difficult and complex.

Imagine if every application had to know how to communicate on every step that would be more than just complex. So, rather than reinvent something which will help it to communicate let’s just make something that will automatically controls the communication and for that protocols came in to live.

As for the linux operating system, it is not exceptional from other operating systems.

There are 7 layers on network protocol stack use to communicate with other network protocol stack.

1. Application layer

2. System call interface

3. Protocol agnostic interface

4. Network protocol

5. Device agnostic interface

6. Device drivers

7. Physical hardware

All the layers vary in their functionality.

One more important thing to remember is that the network protocol stack layers is not one way its 2 way communication. First, when a client request to a network and second, when the request is full filled.

The top most layer is a part of user space, the next five layers comes in the kernel space and the final layer is the physical layer.

Application layer:

When a client or user request to a network the request initially comes to this layer.

On this layer we use tcp/ip protocol.

System call interface(SCI):

When application layer make a call to the kernel this layer handles that call. And take the request to the next layer.

Protocol agnostic interface:

This layer has two functions “talking” or “listening”. There is a thing called sockets which perform these functions and each socket has an id which is used specifically for an application.

Network protocol:

This layer is used for how the data is sent or received.

Device agnostic interface:

It is used to connect data from/to kernel user space and the network device drivers which allows the data to prepare itself for transmission over the medium from the network device.

Physical hardware :

This layer is responsible for the data packets transmission and received from the network medium being used whether cable or wireless.

5 0

3 years ago

>What is the output of the following code:

ozzi

Answer:

Given code output is "786".

Explanation:

Code:

list1 = [ 'cyber', 786 , 2.23, 'square', 70.2 ]#defining a list list1 that holds value in parameter

print (list1[1] )#use a print method that prints list index value

In the given code a list "list1" is declared that holds value in it and in the next step a print method is declared that prints the first index value of the list.

5 0

3 years ago

Does my computer have virus?

vivado [14]

Answer:

does your toothpaste have salt?

6 0

2 years ago

Read 2 more answers

Why is information literacy so important?

olga_2 [115]

It promotes problem solving approaches and thinking skills

6 0

3 years ago

Implement a function named largerThanN that accepts three arguments: an array of type int, the size of the array of type int and

levacccp [35]

Answer:

import java.util.Scanner;

public class NewArray {

//Main Method begins here

public static void main(String[] args) {

int [] numbers = {30,20,50,2,-1,44,3,12,90,32}; //The given array

Scanner in = new Scanner(System.in);

System.out.println("enter a number");

int n = in.nextInt(); //Receive the number from the user

//Calling the method largerThanN

largerThanN(numbers, numbers.length,n);

}

//The method largerThanN begins here

public static void largerThanN(int []intArray, int arraySize, int n){

for(int i = 0; i < intArray.length; i++){

if(intArray[i] > n){

System.out.println(intArray[i]);

}

Explanation:

Uisng the Java prograamming language the solution is provided above.

Please see the comments within the code for detailed explanation

The key logic within the method largerThanN () is using a for loop to iterate the entire array. Within the for loop use an if statement to compare each element with the the number n entered by the user

6 0

3 years ago