GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 1229 - 1233 of 2080

Access detailed explanations (illustrated with images and videos) to 2080 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 550.00 -OR-

How to register? Already Subscribed?

Question 1229

Question

MCQ▾

The Relational algebra operator “ρ” called “rho” is used on Relations for? (Model paper III)

Choices

Choice (4)Response

a.

Selection

b.

Renaming

c.

Anti-join

d.

Semi-join

Question 1230

Question

MCQ▾

In Operating systems, Thrashing can result in … ? (Model paper II)

Choices

Choice (4)Response

a.

Hard drive collapse

b.

Excessive swapping

c.

Inefficient system

d.

All a., b. and c. are correct

Question 1231

Question

MCQ▾

What is this for loop being used for?

  1. for (i=1;i<=n;++i)
  2. {
  3.     Product⚹=i;
  4. }

(Model paper II)

Choices

Choice (4)Response

a.

Factorial

b.

Permutation

c.

HCF

d.

Combination

Question 1232

Question

MCQ▾

Imagine a CAD software to which the COCOMO model is being applied. It has been estimated that the project has 33200 Lines of Code. The values of the different exponents are –

What is the expected project duration? (Model paper III)

Choices

Choice (4)Response

a.

months

b.

months

c.

months

d.

months

Question 1233

Question

MCQ▾

Assume a disk having cylinders, which are numbered from to , find the number of tracks, the disk arm must move to satisfy all the requests present in the disk queue. Assume the last request service was at track and the head is moving towards track number . The queue, in FIFO order, happens to contain requests for the following tracks:

(Assume SCAN algorithm) (Model paper II)

Choices

Choice (4)Response

a.

827

b.

918

c.

928

d.

892

Developed by: