An identifier is a term used to represent a variable, constant or a program.

Integer

Real

Boolean

Char

String

Varaiable

Constants

Operators are required to perform calculations, comparisons, and to evaluvate logical expressions

1)Algebra operators

2)Comparison operator

3)Logical operators

IF Statement

Nested IF

FOR-DO structures(1st Method)

FOR-DO Loop (2nd Method)

Repetition inside Selection

Selection in repetition

Use of Arrays

This language which can be directly understood by the computer. Binary no. 0 & 1s used

Instead of commands written in a machine language using o & 1, assembly language is designed to use simple symbols A program written in - Assember - Machine languages Assembly langages instructions

A program written in assembly language is translated to machine language instructions using a computer translator call assembler

A program written in - Interpreter - Machine language high level language instructions

A program written in - Compiler - Machine language high level language Instructions

If the steps from the begining to the end of an algorithm are carried out in a strict order, it is called sequence.

Selection is a situation where steps are executed dependng on whether a condition of an algorithm is satisfied or not.

If one or several steps of an algorithm are repeated untill a condition is satisfied, it is called repetition.

Decompose by functions or process

System

Decompose by object or concepts

Catalog,libarian,book,library