Question # 1

Types of Flat-Panel Display are

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LCD

EL

Gas-plasma

All of the above

The computer programe consists mainly the following number of parts

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2

3

4

5

Data is permanently stored in

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Hard disk

Ram

Printer

Cache Memory

Which of the following does not provide a graphical user interface.

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OS/2

MS-DOS

Macintosh

Windows NT Workstation

Desktop and personal computers are other names for.

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micro computers

mini computers

mainframes

peripheral equipment

NOS refers to

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network open system

booting

network operating system

round-robin scheduling

What does the acronym ISDN stand for?

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International Services Data Network

Intelligent Services Digital Network

Integrated Services Digital Network

Interactive Services Digital Network

Analog signal is measured in

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Volts

Pulses

Hertz

WATTS

Token passing prevents data collisions by.

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Using code to steer tokens around each other

Having multiple tokens take alternate routes.

Allowing only one computer at a time to use the token

Using zones to control network traffic congestion

Which of the following does not support I/O devices

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speaker

OCR

joystick

ALU

In multiprogramming, the process of confining each program to certain defined limits in memory is called

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spooling

time-sharing

program scheduling

memory protection

Implementation of a program involves

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Compilation of the program

Debugging the program

Testing the program with data

All of the above

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

The electromagnetic or light waves representing data are called:

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Reraction

Information

Signals

None

Internal modem is connected to

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DCE cable

RJ 45 cable

RS 232 serial port

DTE cable

A computer is capable of performing almost any task provided that it can be

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coded

memorized

analyzed

reduced to a series of logical steps

______input device is not a pointing device

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Scanner

Pointing Stick

Digitizing Tablet

Touchpad

Primary storage for the UNIVAC was via

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punched cards

transistors

magnetic cores

disk packs

An operating system used exclusively with the manufacturer's computer

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DOS

proprietary

UNIX

NOS

_________ is an autio input device:

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Digital camera

Microphone

Video camera

Speaker

An organic chip is called a.

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storage chip

biochip

microchip

silicon chip

Boolean expression for NOR gate with two inputs x and y can be written as.

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x + y__

x. y

x + y

Take-a-turn time-sharing

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spooling

interfacing

round-robin-scheduling

prompting

Data is represented on a computer by means of a two-state on/off system called

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the octal system

the binary system

a word

ROM

Popular object-oriented languages.

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Pascal, Modula-3

C++ , Smalltalk

LOGO , PROLOG

COBOL , BASIC

The computer program consists of mainly the following number of parts

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3

2

4

5

Personal computer user may wish to increase their hard disk storage capacity with

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higher density

DAT

read only media

removable hard disk cartridge.

The function of an OP code is.

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To instruct the CPU

To translate a mnemonic

Operate the I/O devices

To act as a buffer

The entire new system is used by a portion of the users.

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direct conversion

pilot conversion

file conversion

parallel conversion

When a bank teller uses a computer terminal to know the balance in a customer's account it is an example of

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on-line updating

off-line processing

on-line processing

on-line query

A digital computer system consists of a central processing unit interfaced with

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input devices

auxiliary storage

output devices

all of above

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