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Programming Concepts 01
- 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