Question # 1

Which one of the following is the main component of DBMS?

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Database program

IDE

GUI

Application Program

Which one of the following is a graphical shell?

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UNIX

Page

GUI

Utility program

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

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UNIX

Modem

Utility

Emulator

Prewritten standard file handling programs are called.

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Pull down menus

Pages

Supervisors

Utilites

Which of the following is associated with second generation computers.

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Transistors

Magnetic core memory

High level procedural language

All of above

The most commonly used output device today is a.

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CRT monitor

Keyboard

Mouse

Card punch

Cabling on a linear bus topology can be extended using which of the following.

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Terminator

Barrel connector

Network adapter card

Medium attachement unit

A program that performs a useful task and at the same, time, carries out some secret destructive act, is known as a.

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Sabotage

Trojan horse

Worm

Logic bomb

A virus that replicates itself is called is

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Bug

Worm

Viccine

Bomb

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

Control unit is the part of

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ALU

CBT

CPU

None of these

Hollerith's Tabulating Machine Company eventually became _________

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IBM

AT 7 T

APPLE

General Electric

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

How many types or layouts of forms are available in MS-Access.

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2

4

5

8

Pick out the wrong statement about modern computer systems.

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These are simple and easy to take care of

Even beginners, untrained persons can safely handle them

They requre a highly disciplined approach

It is important to understand the proper handling of each element and proper overall procedures must be followed

Which of the following is the example of sequential circuit

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flip-flop

Counter

Shift register

Accumulator

The following are all programming languages except for.

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FORTRAN

C

Pascal

MS-DOS

Who Invented the modem?

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IBM

DEC

AT & T information system, USA

Apple computers Inc.

The computer"therapist" ELIZA is an example of what branch of artificial intelligence?

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Natural language programming

Robotics

Automatic programming

Searching

A control structure used to make logical decision is the

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Sequence control structure

Selection control structure

Repetition control structire

a and b

The transfer of encoded information from one location to another by a communication channel is called.

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Data processing

Data distribution

Data communication

Data encryption

To be computer literate, it is not necessary for you to know.

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How to program a computer

How to use a computer

What computer can and can't do

How to repair a computer

The entire computer system is coordinated by.

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The ALU

The accumulator

The control unit

Arithmetic operators

The memory area for programs with highest priority.

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Frames

Foreground

Page table

Dafault drive

The main advantage of hexadecimal number is the case of conversion from hexadecimal to.

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ASCII code

Binary

Octal

Decimal

Which command is used to create a new database file?

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Ctrl+C

Ctrl+V

Ctrl+D

Ctrl + N

A program that, after being initially loaded into the computer by a boot program, manages all the other programs in a computer is called.

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Application softwere

Function software

Controlling software

Operating system

The benefits of using a database include all but one of the following.

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Easier to retrieve information quickly and flexibly

Easy to organize infomation

Easy to print and distribute information

Easy to protect privacy of data

During the development of a program, drawing a flowchart is a means. to

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Plan to solution

Code the program

Define the problem

Analyze the problem

Assuming 8 bit of data, 1 bit for parity, 1 start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is.

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10 CPS

100 CPS

12 CPS

120 CPS

The weakest link in any computer system is the

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People in it

Hardware

Password

Software

First generation computers were characterized by the use of the .

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Microprocessor

Vacuum tube

Transistor

Integrated circuit

The most common from of computer crime is.

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Stealing hardware

Theft of money, goods, information, and computer resources

Spying on other people in the network

Writing viruses.

The shortest period of time is a.

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Milli second

Nano second

Picosecond

Microsecond

A floppy disk is a __________ generation computer invention.

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1st

2nd

3rd

4th

Computer crime is likely to continue to grow unless.

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Electronic bulletin board operators are held responsible for information others post on their BBS.

Corporations and government agencies recognize the importance of security with their walls.

Law-enforcement agencies stop worrying about corporate insiders and, instead, increase their efforts to arrest teenage hackers.

We decide that freedom of the press does not apply to on-line magazines.

A storage of binary digits treated as a unit is called.

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bit

Byte

word

character

Document imaging systems include

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Scanners

Magnetic and optical storage disk drives

Fax machines

All of the above

In 1945 Arthur C, Clarke predicated that satellites would.

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Replace many telephone cables

Replace radio towere

Allows electronic signals to be beamed oceans

All of the above

The decimal numbering system uses___________ digits

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Two

Eight

Nine

Ten

The software that allows the user to manipulate photographs and other higher resolution images is called.

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Analog camera

CAD

FAX

Digital image processing software

The cell containing the cursor in a spread sheet is called an.

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Active cell

Console

Formula bar

Heading

The kind of interview where all questions are planned in advance is called.

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Preplanned

Structured

Observation

Unstructured

One reason computers have difficulty processing natural language is because of the.

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Limited vocabulary of natural languages

Lack of subsets of natural languages

Large vocabulary of natural languages

Fact the natural languages have no syntax

Which one of these forms of storage does not retain information when the machine's power is turned off?

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RAM

ROM

Floppy disk

Har disk

Octal number system used the digits 0 to 7. The equivalent of Octal 130 in decimal system is.

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88

82

86

81

A program that can identify unnecessary words and wordy phrases in called.

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Indexing program

Grammar/Style program

From letter program

Thesaurus program

The faster type of ADC is.

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Time intervel

Parallel

Closed loop

Successive

A word processor can be used to.

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Write text

Edit text

Print text

All of above

A program written when the programmer is employed by an organization is owned by

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The programmer

no one

The organization

The state

Every cell in a spreadsheet gird has a unique ___ made up of a row number and a column letter.

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Apex

Address

Intersection

Location

Charles Babbage set out to create a device that could carry out any calculation to twenty digits of accuracy called a.

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Computer

Analytical engine

Calculator

Mainframe

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

An address location holds ___________ data item at a time.

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one

new

word

discrete

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

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

The highest level language are called.

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4 GLs

High level

Assembly

Natural

Smart cards

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Have a microprocessor and memory in them

Are currently only used for checking and credit card services

a and b

None of these

The digit used for hexadecimal number system are.

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A trough Z

1 through 16

0 through 15

0 through and A through F

One form of build in software protection for data is.

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Secured waste

applicant screeining

User profile

Auditor checks

Types of software that can be freely distributed without violating copyright laws are called.

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Shereware

Public domain

Copy protected

a and b

Rearranging data is a new sequence is known as.

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Up dating

Batching

Sorting

Summarising

Three major issue that have an impact on the success of successes of educational technology.

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Money, teacher training, motivation of students.

Money, teacher training, restructuring of schools.

Geographical location of school,parental communitment, student interest.

IQ of the students teacher interest, student involvemnt.

A computer derives its basic strength from.

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Speed

Accuracy

Memory

All of above

A computer product becomes so entrenched that humans use it without conscious though.

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The product has failed and will no longer sell

It will soon be replaced.

The product has succeeded enough to move into the fourth phase of any information technology or media.

The product will never be replaced by new inventions.

Offices that are set up so workers can commute to a location near their home are called.

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Regional work centers

Portable computer centers

BEHEMOTHS

Modem stations

The main advantage of computer assisted instruction (CAI) is

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It's inexpensive

It can replace out of date textbooks

It exposes students todifferentuser interfaces

It allow individuals to learn at their own pace

Most computers have two separate memory caches L1 cache, located on the _____________ and L2 cache, located between the CPU and DRAM.

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RAM

ROM

CPU

EEPROM

DROP TABLE statement is used for.

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Deleting record

Inserting record

Deleting table

Retirieving records

A driver is.

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Hardware

A peripheral device

A card

Software

Four digit binary number 1011 is represented in the decimal system by.

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7

9

11

13