Peripheral device of a computer is otherwise known as
Hardware
Software
Motherboard
Memory unit
Who invented Abacus?
Indians
Chinese
Americans
Japan
What is the main memory of the computer?
Primary memory
Secondary memory
Random access memory
None of these
What controls almost all functions on a computer?
ALU
CPU
CU
PCU
Which device can record music, voice and sounds in the computer?
Scanner
Light pen
Microphone
Speaker
Which is a device that is used for connecting the computer to Internet.
Modem
Hard disk
Which of the following is used to scan pictures?
Joystick
Plotter
Which device is used to play game on computer?
Joy stick
Micro phone
Which of the following is a secondary memory?
RAM
Data
ROM
What is the use of keyboard?
Draw pictures and select objects
Input our work into the computer
Play games on the computer
All the above
