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What does this program do?

What does this program do?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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What does this program do? 

 

## Converting C++ Code to Pep/9 Assembly Language ### Original C++ Code The following C++ program calculates the remainder of an integer divided by 16 and displays the result. ```cpp #include <iostream> using namespace std; int num; int main() { cin >> num; num = num % 16; cout << "num=" << num << endl; return 0; } ``` ### Hint for the `% 16` Part To better understand the modulus operation with 16, here’s a quick reference: - \(0 \% 16 = 0\) - \(1 \% 16 = 1\) - \(2 \% 16 = 2\) - \(...\) - \(14 \% 16 = 14\) - \(15 \% 16 = 15\) - \(16 \% 16 = 0\) - \(17 \% 16 = 1\) - \(...\) - \(30 \% 16 = 14\) - \(31 \% 16 = 15\) - \(32 \% 16 = 0\) ### Exercise Convert all the results to binary. What do they all have in common? ### Educational Insight The modulus operation finds the remainder when one number is divided by another. In this context, dividing by 16 simplifies the conversion between decimal and hexadecimal or binary, highlighting patterns in digital systems related to memory alignment and data organization.
Transcribed Image Text:## Converting C++ Code to Pep/9 Assembly Language ### Original C++ Code The following C++ program calculates the remainder of an integer divided by 16 and displays the result. ```cpp #include <iostream> using namespace std; int num; int main() { cin >> num; num = num % 16; cout << "num=" << num << endl; return 0; } ``` ### Hint for the `% 16` Part To better understand the modulus operation with 16, here’s a quick reference: - \(0 \% 16 = 0\) - \(1 \% 16 = 1\) - \(2 \% 16 = 2\) - \(...\) - \(14 \% 16 = 14\) - \(15 \% 16 = 15\) - \(16 \% 16 = 0\) - \(17 \% 16 = 1\) - \(...\) - \(30 \% 16 = 14\) - \(31 \% 16 = 15\) - \(32 \% 16 = 0\) ### Exercise Convert all the results to binary. What do they all have in common? ### Educational Insight The modulus operation finds the remainder when one number is divided by another. In this context, dividing by 16 simplifies the conversion between decimal and hexadecimal or binary, highlighting patterns in digital systems related to memory alignment and data organization.
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