Monitors are divided into
Three
Two
Four
Six
The above pictuer is ___________
Optical mouse
Mechanical mouse
Joy sticks
None of these
A standard keyboard has _____ keys.
105
106
104
100
Internet is
a worldwide interconnected network of computers
a local computer network
a worldwide networking
an interconnected computers
Father of computer.
Charles Babbage
Jhone Napier
Blasi Pascaline
We used to enter data into computer.
Monitor
Mouse
Printer
Keyboard
To copy a picture or any other text on paper directly to the computer we use
Speaker
Scanner
The control center of a computer.
CPU
John Napier designed a set of tools called
Abacus
Calculator
Napier Bones
Tabulating
A printer is an _________ device.
Output
Input
Process
