Computer Organization and Architecture [GATE (Graduate Aptitude Test in Engineering) Computer Science]: Questions 1 - 6 of 136

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Question 1

Computer Organization and Architecture

Question

MCQ▾

Fetch and decode cycle is not required in

Choices

Choice (4)Response

a.

direct addressing

b.

indirect addressing

c.

immediate addressing

d.

Question does not provide sufficient data or is vague

Question 2

Computer Organization and Architecture

Question

MCQ▾

The ALE line of an 8085 microprocessor is used to?

Choices

Choice (4)Response

a.

Executes the instruction supplied by external device through the INTA signal

b.

Executes a NOP

c.

Executes an instruction from memory location 20 H

d.

Execute an RST by hardware

Question 3

Computer Organization and Architecture

Question

MCQ▾

A bidirectional 4-bit shift register is storing the nibble 1101. Its input is HIGH. The nibble 1011 is waiting to be entered on the serial data-input line. After three clock pulses, the shift register is storing ________.

Choices

Choice (4)Response

a.

0111

b.

1100

c.

1101

d.

0001

Question 4

Computer Organization and Architecture

Question

MCQ▾

The computer size was very large in:

Choices

Choice (4)Response

a.

Fourth Generation

b.

First Generation

c.

Second Generation

d.

Third Generation

Question 5

Computer Organization and Architecture

Question

MCQ▾

Which of the following is the largest manufacturer of Hard Disk Drives?

Choices

Choice (4)Response

a.

3M

b.

Micromax

c.

IBM

d.

Seagate

Question 6

Computer Organization and Architecture

Appeared in Year: 2015 (UGC-NET)

Question

MCQ▾

Consider a disk with 16384 bytes per track having a rotation time of 16 msec and average seek time of 40 msec. What is the time in msec to read a block of 1024 bytes from this disk? (December)

Choices

Choice (4)Response

a.

48 msec

b.

57 msec

c.

17 msec

d.

49 msec

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