GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 1852 - 1855 of 2080

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Question 1852

Appeared in Year: 2019 (UGC-NET)

Question

MCQ▾

Suppose a system has 12 magnetic tape drives and at time , three processes are allotted tape drives out of their need as given below: (December)

The Systems is in Safe State
Maximum NeedsCurrent Needs
105
42
92

At time , the system is in safe state. Which of the following is safe sequence so that deadlock is avoided?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1853

Appeared in Year: 2019 (UGC-NET)

Question

MCQ▾

An ________ chart is a project schedule representation that presents project plan as a directed graph. The critical path is the ________ sequence of ________ tasks and it defines project ________. (December)

Choices

Choice (4)Response

a.

Activity, Longest, Independent, Duration

b.

Activity, Shortest, Dependent, Duration

c.

Activity, Longest, Dependent, Duration

d.

Activity, Shortest, Independent, Cost

Question 1854

Appeared in Year: 2019 (UGC-NET)

Question

MCQ▾

-The Boolean expression is unaffected by the value of the Boolean variable ________. (December)

Choices

Choice (4)Response

a.

B

b.

A

c.

C

d.

Question does not provide sufficient data or is vague

Question 1855

Appeared in Year: 2019 (UGC-NET)

Question

MCQ▾

Which of the component module of DBMS does rearrangement and possible ordering of operations, eliminate redundancy in query and use efficient algorithms and indexes during the execution of a query? (December)

Choices

Choice (4)Response

a.

Stored data manager

b.

Query compiler

c.

Query optimizer

d.

Database processor

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