1.
COMPUTER INPUT DEVICES
1.
Look at the picture. Guess the functions of the input devices, give the definition of input
devices in one sentence and present
Definition:
Input devices_________________________________________________________________
____________________________________________________________________________
The keyboard
A standard PC keyboard has various groups of keys.
▪
Alphanumeric keys –
these represent letters and numbers, arranged as on a
typewriter.
▪
A
numeric keypad –
appears to the right of the main keyboard and contains
numeric and editing keys; the Num Lock key is used to switch from numbers to
editing functions.
▪
Functionkeys
appear at the top of the keyboard and can be programmed to do
special jobs.
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