Introduction to programming languages

Introduction to programming languages

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  Introduction to Programming Languages Sayed Mahmoud AbdEl-Rahman
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  What is themeaning of Programming Language? • Programming language is like any other language around the world. • English – Arabic – Spanish – French.
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  What’s in alanguage? • Words. • Grammars. • Expressions & sentences.
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  Why do weneed it? Why learn a language? • You might need to deal with programmers in the course of your work. • You may also be required to do some programming yourself in the future.
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  Program & Programming •What is a Program? A program is a list of instructions for the computer to follow to accomplish the task of processing data into information. • What is a programming? programming is the act of writing (coding) the program to process data.
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  What’s a programmingLanguage? • Coded language used by Programmers to write instructions that a computer can understand to do what the programmer (or the computer user) wants.
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  Programming Languages Around the worlds
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  Classification of Programming languages • High Level Languages (C - C++ - C# - Java - VB) • Low Level Languages (Assembly – Machine Language)
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  How can acomputer understand these languages? • The most basic (called low-level) computer language is the machine language that uses binary ('1' and '0') code which a computer can run (execute) very fast without using any translator or interpreter program, but is very complex. The high-level languages (such as Basic, C, Java) are much simpler (more 'English-like') to use but need to use another program (a compiler or an interpreter) to convert the high-level code into the machine code.
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  Which Language isthe Best? • No language is perfect or ideal than other languages. • No language has the best History. • Every language has its place in programming world!
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  How we wouldselect a programming language • Compile vs. interpreted and assembly. • Easy to use. • Problem Domain. • Security provision.
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  How to bea Programmer? What to learn? • Tools or Platform ( Visual studio). • White Papers and Pen. • Any Reference you Like (Love) it (only one).
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  What should beenyou know ? • Syntax. • Selection (If , Switch) • Loops (For , While) • Functions. • Pointer , Arrays, References • Classes, object • File IO
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  How can writea code? Input Processing Output (Program) 1- Define the Problem (build the algorithm). 2- Design the Program. 3- Write the Code. 4- Debug the Program. 5- Test the Program.
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  Computer Branches • Graphics & Images Processing. • Programmer. • Database. • Controlling. • Network. • Operating System. • Hardware.
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  Thank You