Answer:
// Program is written in C++ Programming Language
// Comments are used for explanatory purpose
// Program starts here
#include<iostream>
using namespace std;
int main ()
{
// Declare Variable
int selection;
// Prompt user to make a selection of medium between air, water or steel.
cout<<"Make Selection"<<'\n'<<"Press 1 for Air"<<'\n'<<"Press 2 for Water"<<'\n'<<"Press 3 for Steel";
cin>>selection;
// Check for entry
if(selection == 1) {
cout<<"You selected Air"<<'\n';
cout<<"The distance travelled by sound wave in air is 1,125 feet in 1 second";
}
else if(selection == 2) {
cout<<"You selected Water"<<'\n';
cout<<"The distance travelled by sound wave in water is 4859 feet in 1 second";
}
else if(selection == 3) {
cout<<"You selected Steel"<<'\n';
cout<<"The distance travelled by sound wave in steel is 19554 feet in 1 second";
}
else
cout<<"Invalid Selection";
return 0;
}
Answer:
a. tracert
Explanation:
Tracert is a computer network diagnostic demand which displays possible routes for internet protocol network. It also measures transit delays of packets across network. The given output is produced by a tracert command.
Answer:
1. It might give your device a malicious virus or can grab your ip, so it isn't a good idea to open unknown websites. Always go to safe webs!
2. It might be a scam, let's say it is for a free iphone and you put your info in. It's a win-lose thing.
Explanation:
Answer:
The ONET database holds data or details of job profiles available to applicants on the internet.
Explanation:
A database is an important tool in web development. Commercial or e-commerce websites use databases to store important information needed by the customers to make purchases of goods and services.
Other websites like government agencies and research communities use these databases to collect and store data retrieved from visitors to the sites.
Answer:
well you can download some apps from the play store and it is easy for you to learn from there (interactive)