Computer Architecture & Organization – 1 – 4

16. The Central Processing Unit [CPU] in a computer consists of :

(a) input, output and Processing
(b) control unit, Primary storage and secondary storage
(c) control unit, arithmetic logic unit, registers
(d) none of these

ANSWER

EXPLANATION

17. The control unit controls other units by generating :

(a) control signals
(b) timing signal
(c) transfer signal
(d) command signal

ANSWER

EXPLANATION

18. CPU can directly understand this language :

(a) C language
(b) Assembly
(c) Machine language
(d) Java

ANSWER

EXPLANATION

19. Control unit of a digital computer is often called the :

(a) clock
(b) nerve centre
(c) Both ‘1’ and ‘2’
(d) IC

ANSWER

EXPLANATION

20. Pipeline strategy is called implement :

(a) instruction execution
(b) instruction pre-fetch
(c) instruction decoding
(d) instruction manipulation

ANSWER

EXPLANATION

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