11. A manual instrument used to calculate the area of a closed figure by tracing over it with a mechanical linkage is called ?

[A] Abacus

[B] Planimeter

[C] Slide Rule

[D] Antikythera Mechanism

View Answer

ANSWER: Option(B).


MEMORY: No memory available.

12. It is a hand operated analog computer for doing multiplication and division known as ?

[A] Arithmetic Logic Unit

[B] Slide Rule

[C] Analytic Engine

[D] Colossus

View Answer

ANSWER: Option(B).


MEMORY: No memory available.

13. Personal computer is also known as ?

[A] Mini Computer

[B] Micro Computer

[C] Mainframe Computer

[D] Super Computer

View Answer

ANSWER: Option(B).


MEMORY: No memory available.

14. The world’s first stored program computer is –

[A] Colossus

[B] Abacus

[C] Manchester Baby

[D] ABC

View Answer

ANSWER: Option(C).


MEMORY: It was built at the university of manchester (UK) and ran it’s first program on 21 june 1948. The baby had a 32 bit word length ana memory of 1 Kilobit (KB)

15. The world’s first digital programmable computer is ?

[A] ENIAC

[B] UNIVAC

[C] ABC

[D] Colossus

View Answer

ANSWER: Option(D).


MEMORY: ENIAC is world’s first electronic computer but it was not a programmable while COLOSSUS was both electronic and programmable.