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Computer Architecture & Organization – 1 – 3

11. Memory unit that communicates directly with the CPU is called the :

(a) main memory
(b) secondary memory
(c) auxiliary memory
(d) register

ANSWER

EXPLANATION

12. Which computer memory is used for storing programs and data currently being processed by the CPU ?

(a) Mass memory
(b) Internal memory
(c) Non-Volatile memory
(d) Volatile memory

ANSWER

EXPLANATION

13. Where does computer add and compare data ?

(a) Hard disk
(b) Floppy disk
(c) CPU chip
(d) Memory chip

ANSWER

EXPLANATION

14. The word ‘computer’ usually refers to the central Processing unit plus :

(a) external memory
(b) internal memory
(c) input devices
(d) output devices

ANSWER

EXPLANATION

15. Internal memory in a CPU is nothing but :

(a) a set of registers
(b) a set of ALU
(c) microprocessor
(d) bus

ANSWER

EXPLANATION

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