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Computer Science Set-1
Computer Organization and Architecture
13

Computer Organization and Architecture MCQ with Answers

13) Memory refreshing may be done

By the CPU that contains a special refresh counter, only

By an external refresh controller, only

Either by the CPU or by an external refresh controller

None of these

Answer is:

By an external refresh controller, only

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Related Computer Organization and Architecture MCQ with Answers

14) Memory consisting of electronic circuits attached into silicon chip is known as

Magnetic core memory

Semiconductor memory

Thin film memory

None of these

Answer is:

Semiconductor memory

15) A dynamic RAM consists of

6 transistors

2 transistors and 2 capacitors

1 transistor and 1 capacitor

None of these

Answer is:

1 transistor and 1 capacitor

16) Which of the following is the internal memory of the system (computer)

CPU register

Cache

Main memory

All of these

Answer is:

All of these

17) Match List I with List II and select the correct answer form the codes given below the list.
List I
A. An 8-bit wide 5 word sequential memory will have
B. A 256 x 4 EPROM has
List II
1. 8 Fixed ′AND ′ gates and 4 programmable OR ′ gate
2. Eight 4 bit shift registers
3. 4 words of 32-bits each
4. 8 address pins and 4 data pins output

1 2

3 2

2 3

4 2

Answer is:

4 2

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