Concept of Hardware and Software

Hardware

Physical components that make up a computer system like CPU, key board, mouse etc. Without any computer hardware  computer would not exist, and software could not be used.
Example of hardware which we are viewing periphery of computer.


External hardware examples

Flat-panel, Monitor, and LCD
Keyboard
Microphone
Mouse
Printer
Projector
Scanner
Speakers
USB thumb drive
Internal hardware examples
Processor (CPU)
Drive (like CD-ROM, Blu-ray,  DVD, floppy drive, hard drive, pen drive and SSD)
Fan (heat sink)
Modem
Motherboard
Network card
RAM
Sound card
Video card

Software

That is Computer programs and related data that provide the instructions for telling computer hardware what to do and how to do. Without software computer does not work. software is a collection of instructions which help interact to user  with a computer. Without software, most computers would be useless. For example, without MS word application program we cannot write office word programe. without Internet browser software, we could not run Internet or read this page. without an operating system, the browser could not run on our computer. 
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