Question # 1

The person who fills the role of change agent is the.

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System user

System analyst

Administrator

Client

What is an advantage of object oriented graphics over bitmapped graphics?

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It's faster

It requires less processing

It allows ahading of individual pixels

Objects can be easily rearranged at any time

A digital computer performs its computations by.

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Mechanical means

Analogy

Pressing

Counting

Most mainframe computers are basically_______ machine.

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4 bit

8 bit

16 bit

32 bit

Storage of 1 K means that it has following number of storage location.

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1000

964

1024

1032

The major components of modern computer are.

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CPU

Main Memory

I/O units

All of the above

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

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Microwave

Transponder

Cable

Modem

The disadvantages of analog computer over the digital computer lies in its.

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Set up being closely resembling the physical system

Having parallel struc

Being readily tied up with a physical system without uinsg expensive inter phase.

Need for scaling, limited number of units, limited accuracy

In the preliminary design phase, the analyst may prepare alternative.

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Candidates

Organization charts

Questionnaires

Decision tables

Relativity permanent data is continue in.

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A field

A unsection

Memory

A master file

Which type of computer operator by directly counting numbers.

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Special purpose

Analog

Digital

Hybrid

Which of the following true of spreadsheets in general?

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They are used only in business applications

They can be used for simulations

Their formulas can only refer to cells that are in the same row or column as the formula

It is very difficult to generate deceptive results with a spreadsheet.

An assembly language uses.

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English words

Mnemonic codes

Os and Is

Binary digits

A person who gains illegal access to a computer system.

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Hacker

Worm

Software

Zapper

When all access and processing is done in one location, a computer system is said to be

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Networked

Distributed

Contralized

Linked

_____________ are programs which are written to cause computers to function in a desired way.

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Hardware

Instruction

Software

Sorting

Special purpose computers the enhance consumer goods such as wrist watches and stereos are called.

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Mini computers

Work stations

Personal computers

Embedded computers

PDP-5,PDP-9,IBM-360 series and IBM-370 series belong to the

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First generation computers

Second generation computers

Third generation computers

Fourth generation computers

The world today is experiencing the _________ revolution

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Technology

Agricultural

Information

Industrial

The analog computer deals directly with.

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Number of pulses

Measured values of continuous physical magnitudes

Signal in the form of 0 or 1

Signal in discrete values from 0 to 9

Architecture of modern computers is similar to a counting machine designed by.

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Charles Babbage

Neumann

George

Jack Kilby

An important point about hypertext and othe forms of hypermedia is that

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Data can be stored in a sequential format

It is more prone to viruses than other media

Data can be linked in any conceivable way

They can be transmitted over networks more quickly than oil a media

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

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The otcal system

The binary system

A word

ROM

Which of the following is associated with optics.

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Winchester

RAM

CD ROM

None of these

Error reports are an example of.

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Scheduled report

On demand reports

Exception reports

External reports

Rearranging of data in a sequence is called.

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updating

Editing

Batching

Sorting

A program that provides synonyms is called an

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indexing program

editing program

form letter program

thesaurus program

One of the more computers connected to a hub computer is.

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Ring network

Node

Information utility

Star network

The sequential organization is most suitable for.

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Master files in a batch processing environment

Master files on direct access device

Transaction files

None of the abvoe

Take turn time- sharing.

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Spooling

Interfacing

Roun (d) robin scheduling

Prompting.

The process of identifying objects and shapes in a photograph, drawing, or video is called.

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Optical Character recognition

Image analysis

Robotics

Synthesis

A general purpose program or system of program that can manipulate data in a large collection of files is called.

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Data base management system

Data base security system

File manager

Data base multiple platform system

A virus that replicates itself is called is

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Bug

Worm

Viccine

Bomb

Which of these is a well known example of system software.

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Hyper card

Microsoft works

MS-DOS

All of these are system software.

Binary coded decimal numbers express each decimal digit as .

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Binary digits

Nibble

Word

Byte

In one were to allow 6 bits per symbol, then following number of different symbols could be encoded.

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16

32

64

128

A set of electronic signal pathways that allows information and signals to travel between components inside or outside of a computer is called.

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Data Bus

System Bus

Control Bus

Expansin Bus

Smallest unit of memory is

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Byte

Bits

Character

Word

Which command is used to create a new database file?

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Ctrl+C

Ctrl+V

Ctrl+D

Ctrl + N

Each location in primary storage is assigned a unique.

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Data

field

Name

Address

To activate an object, send

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a message

an instance

a method

an attribute

The ability of an object to iterpret a message using its own methods is called.

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Polymorphism

encapsulation

Inheritance

Messaging

A terminal program which allows a personal computer to function as a terminal is called an

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UNIX

Modem

Utility

Emulator

When an executive wants a computer application program that will project future revenues based on current data, is _______ program is the best tool to use.

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Word processor

Spreadsheet

Graphics

Database

An emerging technology that provides nonvolatile memory chips is .

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Flash memory

PROM

CMOS

CISC

Rearranging data is a new sequence is known as.

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Up dating

Batching

Sorting

Summarising

In the computer world the word digital mean information that in an.

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Discrete units

Units that can be counted

Continous, smooth form

a and b

Which of the following circuit is known as half adder?

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Exclusive and circuit

Flip-Flop circuit

Inclusive or circuit

Exclusive or circuit

A program that can identify unnecessary ward and word phrase is called an.

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Pull down menu

Headers

block

Halftone

Which one of the following is database management system.

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MS Word

Corel draw

Power point

MS Access

IBM's system family of computers was introduced during the .

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First generation

Second generation

Third generation

Forth generation

The binary information contained in a computer is referred to as.

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Hard ware

Memory

Program

Instruction

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

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Direct conversion

Pilot conversion

File conversion

Parallel conversion

Who developed the first automatic electronic digital computer prototype between 1935 and 1942

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John Atanasoff

J. Presper Eckert

William Shockley

Thomas J. Watson

Before a sequential file can be updated the transactions must first be

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Numbred

Sorted

Update

labeled

Which of the following components is the "brain" of the computer

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Memory

CPU

Input

Output

An A/D converter does the conversion from

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Digital to analog

Analog ato Digital

Voltage to ampere

Direct to alternate current

Which of the following cannot be entered into a typical spreadsheet cell.

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A formula

A numeric value

Graphics

All of the above are legal

The computer dedicated to screening access to a network from outside the network

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hot site

cold site

vaccine

firewall

The secret words or numbers to be typed in on a keyboard before any activity can take place are called.

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Biometric data

Data encryptions

Passwords

Private words

Popular object -orinted languages.

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Pascal, Modul 3

C++ , Smalltalk

LOGO, PRO LOGO

COBOL + BASIC

One way a database manager might be able to see if an intruder has been on the system is by using.

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A encryption device

Audit control software

A copy protection scheme

A password

In multiprogramming, two or more programs can be executed.

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By optimizing computer

With two computer

Simultaneously

Concurrently

A large, room sized computer is referred to as an

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Microcomputer

Main frame

Embedded comptuer

Workstation

A disabled student uses a computer and modem to earn a college degree without leaving home. This is an example of.

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Visualization

Distance learning

CAD/CAM

Virtual reality

Pixel depth is one of two technological factors limiting an artist's ability to create realistic images with a bitmapped graphics program. The other factor is.

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Imaging

Resolution

Pixel strength

Monitor measurement

Which of the following storage devices the cannot support both direct

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Magnetic drum

Magnetic tape

Megnetic disk

None of the above

An organized collection of information,stored on a disk, like a word processed letter or a program, is referred to as an

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Address

Record

File

Kilobyte

A program called an ___________ translates each assembly language instruction into a machine language instruction.

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Compiler

Assembler

Interpreter

Translator

Why do many companies use call-back security systems, in which the computer calls the user on the phone before allowing access.

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To identify user by voice recognition

A check phone lines for modern taps

To prevent unauthorized use stolen passwords

Actually, call back systems are outdated.

A chart of positions and departments within an organization is.

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A data flow diagram

A project management report

An organization chart

A Gantt charet