#include #include using namespace std; int getBitPatternLength(const int array_size) { int bit_pattern_length; cout << "Enter the required bit pattern length between 1 and " << array_size << ": "; cin >> bit_pattern_length; while (bit_pattern_length < 1 || bit_pattern_length > array_size) { cout << "You must enter between 1 and " << array_size << ". Enter again please: "; cin >> bit_pattern_length; } return bit_pattern_length; } void printArray(const int arr[], const int bit_pattern_length) {
#include <iostream>
#include <cmath>
using namespace std;
int getBitPatternLength(const int array_size)
{
int bit_pattern_length;
cout << "Enter the required bit pattern length between 1 and " << array_size << ": ";
cin >> bit_pattern_length;
while (bit_pattern_length < 1 || bit_pattern_length > array_size)
{
cout << "You must enter between 1 and " << array_size << ". Enter again please: ";
cin >> bit_pattern_length;
}
return bit_pattern_length;
}
void printArray(const int arr[], const int bit_pattern_length)
{
for (int i = 0; i < bit_pattern_length; i++)
cout << arr[i];
}
int selectComputation()
{
cout << "Select your computation" << endl;
cout << " 1. Unsigned Binary Representation Computation" << endl;
cout << " 2. Sign and Magnitude Representation Computation" << endl;
cout << " 3. Two's Complement Representation Computation" << endl;
cout << " 4. Exit Program" << endl;
int selection;
cout << "Enter your selection (1, 2, 3, or 4): ";
cin >> selection;
while (selection != 1 && selection != 2 && selection != 3 && selection != 4)
{
cout << "Please enter a correct choice: ";
cin >> selection;
}
return selection;
}
int main()
{
cout << "This program demonstrates numeric information representation using" << endl;
cout << " *** Unsigned Binary Representation" << endl;
cout << " *** Sign and Magnitude Binary Representation" << endl;
cout << " *** Two's Complement Binary Representation" << endl << endl;
cout << "In addition, the program demonstrates" << endl;
cout << " *** Two's complement binary addition, and" << endl;
cout << " *** Conversion from two's complement to decimal." << endl << endl;
const int array_size = 32;
do
{
int selection = selectComputation();
if (selection == 1)
{
int A[array_size];
int bit_pattern_length = getBitPatternLength(array_size);
int num;
cout << "Enter a non-negative integer: ";
cin >> num;
while (num < 0)
{
cout << "You must enter a non-negative integer. Enter again please: ";
cin >> num;
}
computeUnsignedBinary(A, bit_pattern_length, num);
cout << "The unsigned binary representation of " << num << " in " <<
bit_pattern_length << " bit is ";
printArray(A, bit_pattern_length);
cout << endl;
}
else if (selection == 2)
{
int A[array_size];
int bit_pattern_length = getBitPatternLength(array_size);
int num;
cout << "Enter an integer: ";
cin >> num;
computeSignAndMagnitudeBinary(A, bit_pattern_length, num);
cout << "The sign and magnitude binary representation of " << num << " in " <<
bit_pattern_length << " bit is ";
printArray(A, bit_pattern_length);
cout << endl;
}
else if (selection == 3)
{
int A1[array_size], A2[array_size], A3[array_size];
int bit_pattern_length = getBitPatternLength(array_size);
int num1, num2;
cout << "Enter an integer: ";
cin >> num1;
computeTwosComplementBinary(A1, bit_pattern_length, num1);
cout << "The two's complement binary representation of " << num1 << " in " <<
bit_pattern_length << " bit is ";
printArray(A1, bit_pattern_length);
cout << endl;
cout << "Enter a second integer: ";
cin >> num2;
computeTwosComplementBinary(A2, bit_pattern_length, num2);
cout << "The two's complement binary representation of " << num2 << " in " <<
bit_pattern_length << " bit is ";
printArray(A2, bit_pattern_length);
cout << endl;
binaryAddition(A1, A2, bit_pattern_length, A3);
cout << "The binary sum of ";
printArray(A1, bit_pattern_length);
cout << " and ";
printArray(A2, bit_pattern_length);
cout << " is ";
printArray(A3, bit_pattern_length);
cout << endl;
int sum = twosComplementBinaryToDecimal(A3, bit_pattern_length);
cout << "The integer value of the binary sum is " << sum << endl;
if (sum == num1 + num2)
cout << "This is a correct result." << endl;
else
cout << "This is not correct result because our bit pattern is too small to
store the result." << endl;
}
else
break;
system("Pause");
cout << endl << endl;
}while (true);
system("Pause");
return 0;
}
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