GATE Computer Science: Questions 874 - 880 of 913

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Question number: 874

» Databases » Query Languages

MCQ▾

Question

In a relational database, ________ is a data structure that organizes the information about a single topic into rows and columns.

Choices

Choice (4) Response

a.

Block

b.

Tuple

c.

Table

d.

None of the above

Question number: 875

» Databases » Relational Model

MCQ▾

Question

The distinguishable parts of a record are called

Choices

Choice (4) Response

a.

Dada

b.

files

c.

Field

d.

None of the above

Question number: 876

» Theory of Computation » Regular Languages and Finite Automata

MCQ▾

Question

Consider the join of a relation R with a relation S. If R has M tuples and S has n tuples then the maximum and minimum sizes of the join respectively are

Choices

Choice (4) Response

a.

Mn and 0

b.

M + n and Immune

c.

M + n and 0

d.

None of the above

Question number: 877

» Databases » ER-Model

MCQ▾

Question

Which is the central component of the DBMS software that can also be termed as the database control system:

Choices

Choice (4) Response

a.

Data manager

b.

Data Consistency?

c.

Data sharing

d.

Data integration

Question number: 878

» Operating System » Inter-Process Communication

MCQ▾

Question

The section of code which accesses shared variables is called as ________.

Choices

Choice (4) Response

a.

Critical section

b.

Block

c.

Semaphore

d.

Question does not provide sufficient data or is vague

Question number: 879

» Databases » ER-Model

MCQ▾

Question

elimination of data redundancy?

Choices

Choice (4) Response

a.

elimination of data redundancy?

b.

Ability to associate related data

c.

Increased security

d.

All a. , b. and c. are correct

Question number: 880

» Operating System » Memory Management and Virtual Memory

MCQ▾

Question

A program is located in the smallest available hole in the memory is

Choices

Choice (4) Response

a.

worst-fit

b.

best fit

c.

first-bit

d.

None of the above

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