Features
|
Uses
|
Advantages
|
Disadvantages
|
Are used to enter
numbers into computer system
|
-entering
*pin into ATM
*amount to
withdraw
* phone#
* pin/amount on
chip device
|
-Faster than
Qwerty Keyboard
-Easily fit on
small devices
|
-People with
large hands can face problems in typing
-difficult to
enter text
|
This blog contains videos and lessons which are helpful for Computer Science Students, especially those appearing in O Level(2210) or IGCSE(0478) Exams. Topics may be Storage Devices, Memory, Input/output, Control, Processing units or Security, Ethics, Algorithms or Programs, Logic Gates, Number systems, databases, Flowcharts and Error findings.
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Monday, March 27, 2017
Keypad
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