Computer Mcqs

VGA is____________?

A. Video Graphics Array
B. Visual Graphics Array
C. Volatile Graphics Array
D. Video Graphics Adapter

ALU is____________?

A. Arithmetic Logic Unit
B. Array Logic Unit
C. Application Logic Unit
D. None of above

CD-ROM stands for____________?

A. Compactable Read Only Memory
B. Compact Data Read Only Memory
C. Compactable Disk Read Only Memory
D. Compact Disk Read Only Memory

A. Analog computer
B. Digital computer
C. Hybrid computer
D. Mainframe computer

Analog, Digital and Hybrid are the three classes of computers based on the work or principle on which computer work. Hybrid computers can perform both the tasks of analog computers as well as hybrid computers. These computers are used in aircraft, hospitals where measuring physical quantities and converting them into digital data to analyze is required.

A. Digital Clock
B. Automobile speed meter
C. Clock with a dial and two hands
D. All of them

Analog computer works on the supply of ____________?

A.Continuous electrical pulses
B.Electrical pulses but not continuous
C.Magnetic strength
D.None of the above

Analog computers works on the continuous electrical pulses and digital computers work on the discrete electrical pulses. Analog computers need to process physical quantities such as temperature, pressure, speed etc.

Which of the following are components of Central Processing Unit (CPU) ?

A. Arithmetic logic unit, Mouse
B. Arithmetic logic unit, Control unit
C. Arithmetic logic unit, Integrated Circuits
D. Control Unit, Monitor

The brain of any computer system is___________?

A. ALU
B. Memory
C. CPU
D. Control unit

1 Gigabyte is equal to ____________?

A. 1024 bits
B. 1000 megabytes
C. 1024 kilobytes
D. 1024 megabytes

Which technology is used in compact disks?

A. Mechanical
B. Electrical
C. Electro Magnetic
D. Laser