1. Programming concepts
Fady Mohammed Osman
Mail: Fady_moa@yahoo.com

2. Programming concepts
 What is a computer program??
 Program structure.
 Variables declaration.
 Comparision Operators.
 Flow control.
 Iterative statements (loops).
 Functions.
 Event­driven or non Event­driven.
 Generic or special­purpose.

3. What is computer program?
 Computer program is collections of instructions
that tell a computer how to interact with the user
interact with the computer hardware and
process data.

4. Program structure
 Statements to establish the start of the program .
 Variable declaration.
 Program statements.

5. Variables
 Variables are places for holding data in
memory.
 Types of variables:
 Integer.
 Real(float).
 Characters.
 Strings.

6. Comparision and logical
operators
 Comaparision (equal ,greater than,less than,not
equal).
 Logical (and,or,not).

7. Control flow
 If (condition).
 (statements).
 Else.
 (statements).

8. Iterative statements
 Used to repeate a section of code for certain
amount of times.

9. Functions
 simply contain a series of computational steps
to be carried out. Any given procedure might be
called at any point during a program's
execution, including by other procedures or
itself.

10. Event­driven and non event­
driven
 What is the difference??
 Examples of events:
 Program load.
 mouse click.
 Key press.
 Program end.

11. Generic or special purpose??
 Generic or general purpose programming
language.
 Special purpose:
­SQL.
­Markup languages (HTML,XML).

12. Useful sites
 Programming concepts:
➢ http://cisnet.baruch.cuny.edu/holowczak/classes/
programming/
 Language categories:
➢ http://en.citizendium.org/wiki/Programming_langu
age
 Programming language comparison:
➢ http://en.wikipedia.org/wiki/Comparison_of_progr
amming_languages