The first calculating device.
Abacus
Napier Bones
Tabulating
Calculator
Monitors are divided into
Three
Two
Four
Six
Choose the right answer
_____________ printer produce very high quality text and graphics.
Dot Matrix
Laser
Ink jet
None of these
Father of computer.
Charles Babbage
Jhone Napier
Blasi Pascaline
The button on the mouse is used to select an object in the monitor.
Right
Center
Scroll
Left
Computers are used in Railway stations for
Withdrawing cash
Watch movies
Booking tickets
Communicate with others
In mechanical mouse, mouse pointer is based on the movement of a _____________ in the mouse.
Left button
Right button
Rubber ball
We used to enter data into computer.
Monitor
Mouse
Printer
Keyboard
The eye of the computer.
Joystick
Web camera
The above pictuer is ___________
Optical mouse
Mechanical mouse
Joy sticks