Program Flowchart and Compilation

Program Flowchart

Flowchart is combination of two words flow and chart. A chart consists of different symbols to display information about any program. Flow indicates the direction of processing that takes place in the program.

Flowchart is a graphical representation of an algorithm. It is a way of visually presenting the flow of data, operations performed on data and sequence of these operations.

Program Compilation

The process of checking the program for errors in order to execute it properly is called program compilation.

C++ Program Analysis And Designing

Program Analysis

The program first studies the problem. The study of a problem involves the study of the available data & knowledge of the required output. This step is important because to solve a problem the programmer must know the problem specification. Only then he can write or design a good program to solve a problem. The output report always depends on the programmer’s instruction.

Program Designing

A computer program is written to solve a complex problem by the computer. A programmer writes a program according to the requirements of the problem.

The steps involved in solving a problem by the computer include:

1. Problem Analysis or understanding the problem.
2. Logic Design
3. Coding
4. Testing & Debugging
5. Documentation

C++ IDE and Algorithm

C++ IDE:

Turbo C++ is an integrated development environment (IDE) to write C++ programs. It is the implementation of Borland International. It is used to create, edit and save C++ programs. It also provides a powerful debugger. The debugger helps the users in detecting and removing errors in programs.

Algorithm & Pseudo Code:

An algorithm (pronounced AL-go-rith-um) is a step-by-step procedure to solve a problem. The process of solving a problem becomes simpler and easier with the help of algorithm. It is better to write algorithm before writing the actual computer program.

Examples of Algorithms

Write an algorithm to add two numbers entered by user.

Step 1: Start

Step 2: Declare variables num1, num2 and sum. 

Step 3: Read values num1 and num2. 

Step 4: Add num1 and num2 and assign the result to sum.

        sum←num1+num2 

Step 5: Display sum 

Step 6: Stop