Computer Hardware MCQs Online Test

The memory unit is one part of:

1. Input device
2. Control unit
3. Output device
4. Central Processing Unit

Which of the following is an output device

1. Keyboard
2. Printer
3. Mouse
4. None of the above

BIOS cannot work without?

1. CPU
2. Hard Drive
3. RAM
4. Motherboard

Volatile memory is computer memory that ____ power (electricity) to maintain the stored information.

1. Required
2. Not required
3. May require
4. None of these

CPU consists of ______ basic components.

1. Arithmetic and Logic Unit
2. Control unit and Registers
3. Cache and Internal buses
4. All of these

There are _______ basic types of RAM.

1. 3
2. 2
3. 4
4. 1

Flash Drives are also known as:

1. USB memory pens
2. USB pen drives
3. USB memory sticks
4. All of these

What is Communication device in Computer?

1. hardware
2. software
3. both
4. none of these

Optical Character Readers are used for:

1. Visual Display
2. Output
3. Input
4. Storage device