Answer:
#include <iostream>
using namespace std;
int main()
{
string s1, s2;
cout << "Enter string s1: ";
getline (cin, s1);
s2 = s1;
cout << "s1 = "<< s1 << endl;
cout << "s2 = "<< s2;
return 0;
}
Explanation:
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The answer & explanation for this question is given in the attachment below.
Answer:
First I/O instruction format -> 256 ports
Second I/O instruction format -> 65536 ports
Explanation:
- For the first instruction format, we have eight bits for port addressing, therefore, the number of port addressed can be calculated as 2^8 = 256 ports
- For the second instruction format, we have sixteen bits for addressing, therefore, the number of ports addressed can be calculated as 2^16 = 65536 ports
The opcode selection allows us to change between the first and second instruction format, an opcode allows one input or output operation at a time.