Data Representation & Number System-DBMS (Bank-PO Computer-Basics): Questions 1 - 7 of 15

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Question number: 1

» Data Representation & Number System » DBMS

MCQ▾

Question

Which of the following comments about the “++” operator are correct?

Choices

Choice (4) Response

a.

It cannot be applied to an expression

b.

It associates from the right

c.

It is a unary operator

d.

All a. , b. and c. are correct

Question number: 2

» Data Representation & Number System » DBMS

MCQ▾

Question

Universal gate are-

Choices

Choice (4) Response

a.

NAND

b.

XOR

c.

NOR

d.

Both a. and b. are correct

Question number: 3

» Data Representation & Number System » DBMS

MCQ▾

Question

________ is a value that can be used to identify a unique row in a table

Choices

Choice (4) Response

a.

Alternative key

b.

Primary key

c.

Candidate key

d.

All of the above

Question number: 4

» Data Representation & Number System » DBMS

MCQ▾

Question

The Three Levels of the Database Architecture are ________.

Choices

Choice (4) Response

a.

External level, Logical level, internal level

b.

External level, Conceptual level, Schema level

c.

Physical level, Conceptual level, internal level

d.

External level, Conceptual level, internal level

Question number: 5

» Data Representation & Number System » DBMS

MCQ▾

Question

A collection of related files is called a -

Choices

Choice (4) Response

a.

Data base

b.

Character

c.

Field

d.

Adjusting

Question number: 6

» Data Representation & Number System » DBMS

MCQ▾

Question

The type of software that can, store, update, manipulate, and retrieve data is called -

Choices

Choice (4) Response

a.

graphics

b.

database management

c.

spreadsheet

d.

desktop publishing

Question number: 7

» Data Representation & Number System » DBMS

MCQ▾

Question

All the information collected during database development is stored in a:

Choices

Choice (4) Response

a.

Data warehouse

b.

CASE

c.

RAD

d.

Repository

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