What is computer and basic of Programming?

By Programming codester

 Era of Technology 

  • Programming and computer: 

  • About computer: 

The word computer comes from the word “compute”, which means to calculate. 

A computer is an electronic device that can perform arithmetic operations at high 

speed and it can process data, pictures, sound and graphics. 

It can solve highly complicated problems quickly and accurately. 

  • Parts of Computer: 

Computer divided into two parts: 

1.software 

2.hardware 

  • Software: 

A set of instructions in a logical order to perform a meaningful task is called program and a set of programs is called software. It tells the hardware how to perform a task. 

  •  Types of software 



  1. System software: 

  It is designed to operate the computer hardware efficiently. Provides and maintains a platform for running application software. 

  Examples: Windows, Linux, Unix etc. 

Categories of System Software: 

1] Operating system: 

It controls hardware as well as interacting with users and provides different services to users. 

It is a bridge between computer hardware and user. 

Examples: Windows XP, Linux, UNIX, etc.... 

2] System support software 

It makes the working of hardware more efficiently. 

For example, drivers of the I/O devices or routine for socket programming, etc.... 

3]System development software  

It provides a programming development environment for programmers. 

Example: Editor, pre-processor, compiler, interpreter, loader, etc.… 

 

 2. Application software: 

  It is designed to help the user to perform general tasks such as word processing, web browser etc.  

Categories of Application Software 

A] General purpose software 

It is used widely by many people for some common tasks, like word processing, web browser, 

excel, etc.... 

It is designed on vast concepts so many people can use it. 

B] Special purpose software 

It is used by limited people for some specific tasks like accounting software, tax calculation 

software, ticket booking software, banking software etc....  

It is designed as per the user’s special requirement. 

Examples: Microsoft Word, Excel, PowerPoint etc. 

  • Hardware: 



Hardware refers to the physical parts of a computer.  

The term hardware also refers to mechanical device that makes up computer. 

User can see and touch the hardware components. 

Examples of hardware are CPU, keyboard, mouse, hard disk, etc… 

  • About information technology: 

Information Technology is a field in high demand that earns more than double the median annual wage for all other occupations. So, we can say it’s the era of computer and information technology. 


 What will be printed after execution of the following program code?


main()

{

printf("\\nab");

printf("\\bsi");

printf("\\rha");

}


A.absiha

B.haasi

C.Hai

D.None of these

 My next blog is also out watch it!

it's about flowchart amnd algorithm.

watch and learn

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