Q: Write short notes on the following.
Keyboard
Keyboard is an input device used to enter data into computer .The
button on keyboard is called keys. A keyboard contains over 100 keys.
Thearrangement of keys on keyboard is called its layout. Itcontains (Numeric
Keys, Function Keys, Alphanumeric Keys)etc.
Mouse
Mouse is a small lightweight input device. Mouse is moved on flat
surface to control themovement of cursor (pointer) on a screen. A mouse usually
has two or three buttons. These buttons are used to perform deferenttask.
Monitor
Monitor is the most common output device .It is also known as
display or screen. The output displayed by monitor is called softcopy. A
monitor looks like a television and it displays text and graphics.
Microphone
It is used to convert the spoken word into a digital signal for
computer input. The microphone coverts audio signals to electrical waves ad
these can be converted by electronic circuitry in the computer to digital form.
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