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3 years ago

How to delete the last element in array

Computers and Technology

1 answer:

svlad2 [7]3 years ago

4 0

Answer:

Hey mate.....

Explanation:

This is ur answer.....

<em>To remove the last n elements from an array, use arr. splice(-n) (note the "p" in "splice"). The return value will be a new array containing the removed elements.</em>

<em />

Hope it helps!

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3 years ago

• Describe the steps in detail that the operating system performs to handle interrupts, including ISRs, the stack, and hardware?

sdas [7]

Answer:

Operating system is the software that is used to control different hardware of computers and handle scheduled tasks.

It also handles the interrupts from some external devices, or from some software. The interrupts are handled through Interrupt service routine. When some external event occurs the following steps has been taken by OS to perform the operation

In first step, an external event has been occurred, and request to the cpu to perform operation.
This request invoke ISR (Interrupt service routine), to perform the operation.
The interrupts are stored in stack on the priority basis.
The CPU performs the operation on Interrupt as per request of ISR.
After Completing operation, CPU return to its initial task.

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4 years ago

**HELP ME PLS**

melisa1 [442]

The true statement is the report is grouped only because it gives information about employees by number of years of employment.

<h3>What is a group report?</h3>

Group reporting is made up of consolidation method and analytical reports and it gives information on the output of a firm.

Note that since there are different ranges of employment years, the report need to be grouped and as such, The true statement is the report is grouped only because it gives information about employees by number of years of employment.

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2 years ago

Write a program that generates two 3x3 matrices, A and B, withrandom values in the range [1, 100] and calculates the expression½

Alex

Answer:

#include <bits/stdc++.h>

using namespace std;

int main() {

int A[3][3],B[3][3],res[3][3],i,j;

srand(time(0));//for seed.

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

int val=rand()%100+1;//generating random values in range 1 to 100.

int val2=rand()%100+1;

A[i][j]=val;

B[i][j]=val2;

}

cout<<endl;

}

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

res[i][j]=0.5*A[i][j]+3*B[i][j];//storing the result in matrix res.

}

cout<<"Matrix A is"<<endl;

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cout<<A[i][j]<<" ";//printing matrix A..

}

cout<<endl;

}

cout<<"Matrix B is"<<endl;

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cout<<B[i][j]<<" ";//printing matrix B..

}

cout<<endl;

}

cout<<"The result is"<<endl;

for(i=0;i<3;i++)

{

for(j=0;j<3;j++)

{

cout<<res[i][j]<<" ";//printing the result..

}

cout<<endl;

}

return 0;

}

Output:-

Matrix A is

13 95 83

88 7 14

24 22 100

Matrix B is

11 13 95

48 35 20

68 100 18

The result is

39.5 86.5 326.5

188 108.5 67

216 311 104

Explanation:

I have created 2 matrices A and B and storing random numbers int the matrices A and B.Then after that storing the result in res matrix of type double to store decimal values also.Then printing the res matrix.

6 0

3 years ago

You're setting up some VMs to test an application you're considering making available to employees of the small company you work

IgorLugansk [536]

Answer:

Snapshots in VirtualBox, Hyper-V, and please check explanation.

Explanation:

You should never test the software on your PC as you never know what virus or threat they bring with them. Even when you are a software company and testing your own new software, you should use the VM, as it is safe. Any adverse effect can be tackled as the VM is made to be destroyed some day.

You can install numerous OS on your VM. The two best are certainly Virtual Box and the Hyper-V from VMWare. Remember, if you dont want to use the licensed version of certain OS, the trial versions are always available for free, and you can install them on the VMs.

There is a snapshot option on the VirtuabBOX. You are only required to create the snapshot after creating and configuring the VM. It supports Windows, Linux and Mac. So you can install almost any OS. However, VMWare Player does not support the Snapshot, but it provides s similar option known as Checkpoints. However, VMware Workstation supports Snapshots, though they might be costly.

If you are on OS X you can make use of Parallels.

However, never enable file sharing, and stay away from Bridge mode as well as never use your original accounts. File sharing will inject the malware if any to all places on network. The bridge mode connects the VM directly to the network, which otherwise remain hidden behind NAT. And use of personal accounts can cost you them, and this can be quite a big loss definitely.

6 0

3 years ago

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