computer basics notes
Computer Basics A Computer is composed of hardware and software and can exist in a variety of size and configuration. The term hardware refer to the physical components of your computer such as The system unit mouse, keyboards ,monitor etc. and the software is the instructions that makes the computer works . So we can say computer is an electronic machine and computer is very versatile machine its basically a programmable machine. computer come from the word computer which means to calculate so its considered to be a calculating device that can perform anthmetic operation at an enormous speed computer not only store data but also retrieved from its memory when desired. Computer components 1:- Some hardware computer interact with computer such as keyboard , mouse , joystick, track bill, scanners ,touch pad,light pens game pads used for games . Moreover some devices monitor, plotter, speakers, hard disk, floppy disk cd rom, DVD writer and printer is an output device of comput...