NTA-NET (Based on NTA-UGC) Computer Science (Paper-II): Questions 874 - 877 of 2012

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Question number: 874

» Computer Arithmetic » Representation of Numbers » Octal, Hex, Decimal, and Binary

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Appeared in Year: 2017

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Question

Let and . Find the base expansion of . (November Paper II)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 875

» Operating Systems with Unix » Scheduling » CPU Scheduling, I-O Scheduling, Resource Scheduling

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Appeared in Year: 2014

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Question

An operating system has 13 tape drives. There are three processes P1, P2 & P3. Maximum requirement of P1 is 11 tape drives, P2 is 5 tape drives and P3 is 8 tape drives. Currently, P1 is allocated 6 tape drives, P2 is allocated 3 tape drives and P3 is allocated 2 tape drives. Which of the following sequences represent a safe state? (December Paper III)

Choices

Choice (4) Response

a.

P2 P1 P3

b.

P2 P3 P1

c.

P1 P2 P3

d.

P1 P3 P2

Question number: 876

» Software Engineering » Software Design » Software Maintenance and Advanced Concepts

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Appeared in Year: 2017

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Question

Software does not wear-out in the traditional sense of the term, but software does tend to deteriorate as it evolves, because: (November Paper II)

Choices

Choice (4) Response

a.

Software suffers from exposure to hostile environments.

b.

Defects are more likely to arise after software has been used often.

c.

Multiple change requests introduce errors in component interactions.

d.

Software spare parts become harder to order.

Question number: 877

» Microprocessor » Instruction Set and Programming

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Appeared in Year: 2014

MCQ▾

Question

Specify the contents of the accumulator and the status of the S, Z and CY flags when 8085 microprocessor performs addition of 87 H and 79 H. (December Paper III)

Choices

Choice (4) Response

a.

11,1, 1,1

b.

01,1, 0,0

c.

00,0, 1,1

d.

10,0, 1,0

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