A standard keyboard has _____ keys.
105
106
104
100
Monitors are divided into
Three
Two
Four
Six
We used to enter data into computer.
Monitor
Mouse
Printer
Keyboard
The eye of the computer.
Joystick
Web camera
The button on the mouse is used to select an object in the monitor.
Right
Center
Scroll
Left
The control center of a computer.
CPU
Which language was used in second generation of computers ?
Machine
Low – level
High level
Assembly
Third generation computers were based on
Vacuum tube
AI
Transistor
IC
The first electrically operated calculating machine.
Napier Bones
Tabulating Machine
Abacus
Analytical Engine
The evolution of computers started in
1920
1910
1930
1940
