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Computerprogram

– Data and instructions used to operate a computer

• Programming

– Writing computer program in a language that the

computer can respond to and that other programmers

can understand

• Programminglanguage

– Set of instructions, data, and rules used to construct a

program

• High-level languages

• Low-level languages

Modularprograms

– Segments arranged in logical order to form an

integrated unit

• Module

– Segments of modular program

Examplesofvalididentifiers:

grosspay taxCalc

addNums degToRad

multByTwo salesTax

netPay bessel

Thecoutobjectsendsdatatothestandardoutput

display device

– The display device is usually a video screen

– Name derived from Console OUTput and pronounced

“see out”

• Data is passed to cout by the insertion symbol

– cout << “Hello there, World!”;

EXAMPLE

#include <iostream>

using namespace std;

{

cout << " Hello there world " ;

return 0 ;

}