26. ASCII is a –

[A] Software

[B] Hardware

[C] Algorithm

[D] A standard encoding system for characters

View Answer

ANSWER: Option(D).


MEMORY: No memory available.

27. A system of using a communication channel in which signals can be transmitted between a source and a destination in both directions simultaneously is called ?

[A] Quarter Duplex

[B] Half Duplex

[C] Full Duplex

[D] None of the above

View Answer

ANSWER: Option(C).


MEMORY: No memory available.

28. Which of the following device enables the user to add external hardware components to a computer system is known as ?

[A] Keyboard

[B] Mouse

[C] Cabinet

[D] USB port

View Answer

ANSWER: Option(D).


MEMORY: No memory available.

29. All the necessary components of a computer system are mounted on –

[A] UPS

[B] Cabinet

[C] Motherboard

[D] Table

View Answer

ANSWER: Option(C).


MEMORY: No memory available.

30. Which one of the following devices can act as both input and output device ?

[A] Keyboard

[B] Disk Drives

[C] Monitor

[D] Mouse

View Answer

ANSWER: Option(B).


MEMORY: No memory available.