PREPARATORY QUESTIONS

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COMPUTER KNOWLEDGE

PREPARATORY SET-44

Direction (Qs.1-15): Study the following questions carefully and choose your answer from the given five options.

 

Question No : 1

For separating channels in FDM, it is necessary to use

(1) Time slots

(2) Band pass filters

(3) Differentiation

(4) All of the above

(5) None of these

Question No : 2

Which of the following types of tables constraints will prevent the entry of duplicate rows?

(1) Primary key

(2) Unique

(3) Null

(4) Foreign key

(5) None of these

Question No : 3

Encryption and decryption are functions of

(1) Transport layer

(2) Session layer

(3) Presentation layer

(4) All of the above

(5) None of these

Question No : 4

Which of the following computer language is a mathematically oriented languages used for scientific problems?

(1) FORTRAN

(2) COBOL

(3) LISP

(4) PROLOG

(5) APPLE

Question No : 5

Which type of switching uses the entire capacity of a dedicated link?

(1) Circuit switching

(2) Virtual Circuit Packet Switching

(3) Message Switching

(4) Datagram Packet Switching

(5) None of these

Question No : 6

The ______ is a device that connects n inputs to m outputs.

(1) Cross point

(2) Crossbar

(3) Modem

(4) RAM

(5) None of these

Question No : 7

A permanent virtual circuit involves

(1) Connection establishment

(2) Data transfer

(3) Connection release

(4) All of the above

(5) None of these

Question No : 8

The sharing of a medium and its path by 2 or more devices is called ________

(1) Modulation

(2) Encoxing

(3) Line discipline

(4) Multiplexing

(5) None of these

Question No : 9

Which multiplexing technique transmits analog signals?

(1) Synchronous TDM

(2) Asynchronous TDM

(3) FDM

(4) Both (1) and (3)

(5) None of these

Question No : 10

The search tool used to text that appears in gotherspace is

(1) Gobler

(2) Archie

(3) Mikky

(4) Veronica

(5) None of these

Question No : 11

X.21. protocol consists of

(1) Physical and frame levels

(2) Physical, frame and packet levels

(3) Frame and packet levels

(4) Only physical level

(5) None of these

Question No : 12

Array is ________

(1) linear data structure

(2) non-linear data structure

(3) complex data structure

(4) simple data structure

(5) None of these

Question No : 13

How many options does a binary choice offer?

(1) None

(2) One

(3) Two

(4) It depends on the amount of memory in the computer

(5) It depends on the speed of the computer’s processor

Question No : 14

How many values can be represented by a single byte?

(1) 4

(2) 16

(3) 64

(4) 256

(5) 512

Question No : 15

Plotter accuracy is measured in terms of repeatability and _____

(1) Vertical dimension

(2) Intelligence

(3) Resolution

(4) Pixels

(5) Buffer size