Answer: Preamble
Explanation:
Preamble is a 7- octet pattern of alternating the 0's and 1's and it allow devices in the network to easily synchronized the receiver clock. It also provide the bit level synchronization.
It basically allow the start of frame delimiter to provide the byte synchronization and assign a new frame. The bits are transmit orderly from left to right in the frame.
the answer is the seconf one
Answer:
#include<iostream>
using namespace std;
int main()
{
int a,b,c;
cout<<"enter the value of a:";
cin>>a;
cout<<"enter the value of b:";
cin>>b;
cout<<"enter the value of c:";
cin>>c;
cout<<"product is:"<<(a*b*c);
return 0;
}
Explanation:
