Introduction to Personal Computer (PC) Hardware

Introduction to Personal Computer (PC) Hardware

Monitor: The monitor of a computer works similar to a television screen. In display text characters and graphic in colour or shade of grey. The monetary sometimes also known as screen, display a aur a cathode ray tube. Anything typed on the keyboard is display on the monitor. In addition when a program is executed the result display on the screen temporarily, but do not become permanent unless saved in the hard disk. 

At present two type of monitors are available in the market first one is cathode ray tube and the second one is liquid crystal display.

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Keyboard: The keyboard are also known as QWERTY keyboard looks similar to a typewriter. The name QWERTY come from the first six letter of the the top left alphabet row and therefore also called the universal keyboard. Christopher sholes the inventor of the typewriter designed arrangement of character on a QWERTY keyboard in 1868.

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Mouse: A mouse is a handheld device that allows you to control the computer without typing the instruction from the keyboard. Place the palm of the hand over the mouse movie across a mousepad and as a result the pointer will move on the screen. you can select icons open programs and select command present in the program by moving the. A mouse has a primary button which is left button and a wheel. The primary ke button is carries out a majority of the tasks, where as the secondary button is is used in special cases csuch as opening shortcut menu.

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