C Language - Important concepts part-1

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C   LANGUAGE 



SOME IMPORTANT CONCEPTS






What is Hardware ?


Hardware is a comprehensive term for all of the physical parts of a computer, as distinguished from the data it contains or operates on, and the software that provides instructions for the hardware to accomplish tasks.

Hardware is anything which tangible



What is Software ?


Software is collection of instruction or data that tell computer how to work or perform following task.

There are two types of Software:--


System Software -- It is used to operate computer hardware.

Application Software -- It is used by user to perform specific tasks.It's cannot run without presence                                            of  system software.




Operation System 

It is system software 

Examples are DOS, windows XP, windows Vista, windows 7, windows 8, Solaris, Macintosh, Linux,
Ubuntu etc

It provides interface between user and machine 

Acts as a manager of the computer system

It does process management, memory management, file management.


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