Friday, August 9, 2013

Hardware

Hardware is one of the most important parts of computer. It is the physical part of the computer. Hardware parts of the computer are inter-rellated with each other. Some of the important hardware parts of the computer are as follows:
1.Monitor
2.CPU
3.Keyboard
4.Printer
5.Mouse
6.Scanner
And many others....
1. Monitor is the main important hardware. It shows the output. We can see the output on the monitor.It displays what we give input from the keyboard.
2.CPU is another important harware parts of the computer. It consists of three parts. They are - Control unit , Memory unit , arithmethical & logical unit. The control unit is the main part which controls the whole parts of the computer. Everything in the computer works according to control unit. The memory unit is that part of the computer where datas are stored.ALU is that part where arithmethical calculations & logical works are done.
3.Keyboard is the input device through which we can sent insert datas or write something which displays on monitor.
4.Printer is the output device through which we can get the datas or images on a plane sheet of paper.
5.Mouse is also an input device through which we can select any parts of the computer by moving its cursor.
6. Scanner is the device through which we can get the digital image of a printed image.

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