Question # 1

Rearranging of data in sequence is called

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updating

editing

batching

sorting

A typical microcomputer has 64 K memory. It has 65,536 registers,each register storing 1 byte Each register is called

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memory location

address

byte

word

Assigning more sector to outer hard disk is called

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zone recording

randomizing

sectoring

data transfer

The binary number 101000101011 is equal to the hexadecimal number

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A2D

C2D

A2B

B2C

Boolean algebra is.

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used for arithmetical operation is ALU

an aid for binary conversion

useful for error detection and error correction

used to describe the behavior and structure of logic networks and as an aid in the design of logic system

Primary storage for the UNIVAC was via

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punched cards

transistors

magnetic cores

disk packs

During E-time the ALU.

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examines the instruction

enters the instruction

executes the instruction

elicits the instruction

The number ABC in Hexadecimal system is equivalent to which number in decimal system.

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A x 100 + B x 10 + C x 1

10 x 100 + 11 x 10 + 12

10 x 16 + 11 x 16 + 12

10 x 256 + 11 x 16 + 12

The mechanism for reading or writing data in a disk is called

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track

rorational delay

access arm

seek time

To make a personal computer act like a terminal, which type of software must be used?

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fax

videoconferencing

bridge

emulation

A disk pack withing a sealed data module is a.

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Backup unit

Winchester

diskette

CD-ROM

A magnetized spot represents

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cpi

MB

0 bit

1 bit

Which one is not network topology?

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Star

Ring

Circle

Bus

The device used with satellite transmission that ensures that strong outgoing signals do not interface with weak incoming signals is called a.

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microwave

transponder

cable

modem

A connection of same type of network is

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Bridge

Repeater

Gateway

Router

Super computers are usually designed to process complex scientific applications and the computational speed of the system is most important. Each address in the CRAY-1 holds

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16 bits of information

32 bits of information

48 bit of information

64 bits of information

A digital computer performs its computation by

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mechanical means

analogy

guessing

counting

Comments in the program itself are part of

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compiling

translating

linking

documenting

A type of computer that is faster because it has fewer instructions.

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symbolic

RISC

ASCII-8

ROM burner

Computer follows a simple rule called GIGO, GIGO stand for

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good input, good output

great instructions, great output

garbage in, garbage out

gated input, gated output

The shortest period of time is a.

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milisecond

nanosecond

picosecond

microsecond

The cabling joining the Hub is called

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Spine

RS 45 connector

RS 232 serial port

Modem card

A computer that accepts handwritten input on a screen.

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minicomputer

desktop computer

mainframe

pen-based computer

A language designed to generate routing business reports is

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COBOL

LISP

RPG

ALGOL

Who is regarded as the Father of computers.

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John Napier

Pascal

Charles Babbage

Hollerith

Laser beam technology is used for.

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terminals

optical disk

keyboards

magnetic tape

Pictures on a monitor are composed of tiny dots called.

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a pixels

CRTs

VDTs

elements

The output of a sequential circuit depends upon

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present input

past inputs

both a and b

none of a and b

In a three input NAND gate, if all the inputs are 1, the output is.

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0

1

3

indeterminate

The basic operation performed by a computer is.

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arithmetic operations

logic operations

storage and retrieval operations

all of the above

A computer can't do anything without.

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program

Input device

Output device

VDU

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