Question # 1

In ADC the analog voltage signal is compared with the signal from a.

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Pulse generator

Flip-flop

Stair case generator

Register

According to the FBI, the average computer crime is worth.

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About the same as a car theft

Left than most other crime because information is free

For more than most other crime

the FBI doesn't know because computer crime to a relatively new type of crime.

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

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Database program

IDE

GUI

Application Program

The device are used by a person or other system to communicate with a computer are called.

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Communication devices

I/O devices

message devices

All of the above

Violations of the rules of grammar of a programming language are called.

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Syntax errors

Programming errors

Translator errors

Logic errors

A floppy disk is a __________ generation computer invention.

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1st

2nd

3rd

4th

Which SQL statements is used for changing the values of specified fields?

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Update

Select form

Delete form

Insert into

Ragged right means the right margin is set to be

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Uneven

even

Variable

wide

A plan to trace data to its source is called.

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an audit trail

a vector

Sampling

Volume testing

Using computer to design and manufacture products is called

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Inseribing

Detalling

CAD/CAM

Imaging

Who Invented the modem?

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IBM

DEC

AT & T information system, USA

Apple computers Inc.

The most common storage devices in a computer system are.

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Printers and monitors

Disk drives and printers

Disk drives and tape drives

Tape drives and keyboards

A portable operating system.

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Generic

Backup

Allocated

Utility

Two complement of 1011.01 is

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0100.10

0100.11

1011.10

0100.01

Electronic sweatshope

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Are increasingly located across nadonal border

May soon decline in number because of improvements in automated input technology

Both a and b

Neither a nor b

The corresponding memory spaces for pages are called.

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Page utility

Page frames

Page blocks

Page modules

Data items are generally classified into which type of codes

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Numeric

Alphanumeric

Character

All of the above

A standardized business language is.

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CODASYL

BASIC

COBOL

Ada

Windows explorer is look like.

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My Documents

Internet explorer

My Computer

All of the abvoe.

Security protection for personal computers include.

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Internal components

Locks and cables

Software

All of these

Ports that require bits to travel through one at a time are called ______ ports.

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Parallel

Serial

Network

Opem

The shortest period of time is a.

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Milli second

Nano second

Picosecond

Microsecond

The name for the screen clarity is.

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Resolution

Discrete

Pixel

LCD

When you are buying a typical computer software package, you are not actually buying the software, Instead you are buying a.

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Warranty

Software licence

Patent

Copy right

In preparing a program, desk cheeking and translation are example of.

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Coding

Planning

Testing

Documenting

After stating the solution to a problem in pseudocode, the next step would be

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Testing the program

Coding the program

Documenting the program

Translating the program

Which of the following is a spreadsheet.

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MS-Word

MS-Excel

MS-Power point

Both a and b

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

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ASCII code

Binary

Octal

Decimal

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

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Polymorphism

encapsulation

Inheritance

Messaging

The number system used by computers to represent all internal data is teh _____________ system.

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Binary

Hexadecimal

Decimal

None of the above

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

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First generation

Second generation

Third generation

Forth generation

Which one of the following is extension of header file?

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.CPP

.DOC

.h

.inp

Which of the following is the example of sequential circuit

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flip-flop

Counter

Shift register

Accumulator

Why would computer programs that teach reading sills be a good idea in adult literacy education?

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Most teachers refuse to work with adults

Adults adapt to computers more quickly than children to.

Illiterate adults know that the computer will not think they are stupid all of these

All of these

Idea processors take a variety of forms, but most are built around this concept.

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Writing

Reading

Processing

Outlining

The CPU Comprises of.

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Memory, VDU, and printer

Input device, output device, and memory

Store, arithmetic and logic unit, and control unit

Software, hardware, and power supply unit.

Provides direct access to any byte on the chip

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RAM

ROM

Cache RAM

Operating System

Which is not a professional computer job?

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Systems analyst

Programmer

User

Data entry operator

What layer of OSI model does data compression?

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Network

Presentation

Data link

Physical

In computer science , by information we mean.

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Any output coming out form computer

Processed data put in intelligent form

A report printed by computer

Plural of data

The concept of relational model was created in?

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1945

1964

1955

1970

Screen displays for video games and embellished photographic images involve the use of.

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Bitmapped image editing

Object oriented drawing

Illustration software

One of these

The leading software manufacturer is

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Apple

IBM

MITS

Microsoft

Pick out wrong definition.

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Access time -time needed to access the output

EDP -acronym for Electronic Data processing

COBOL - a language used for business I data processing

Control unit-heart of a computer

K Represents.

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100010

210

102410

10002

The size of the printed characters is called.

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Point size

Word size

Print size

None of these

10 -point Helvetica, 10-point Times, 10-point Avant Grade, and 10-point Zapf chancery are all examples of.

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serifs

text justifications

fonts

pixels

The faster type of ADC is.

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Time intervel

Parallel

Closed loop

Successive

An example of a high level language is.

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DOS

An algorithm

FORTRAN

An assembler

The number 10000 would appear just immediately after

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FFFF (hex)

1111 (binary)

7777 (octal)

All of above

The most widely used word processor for non GUI computers is the

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MS-DOS version of Word

MS-DOS version of Word perfect

MS-DOS version of 1-2-3

Windows version of Word

The major operational problem of the early first generation computers was.

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Inaccurate results

Poor reliability

delayed results

Limited capabilities

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

Tool to change PROM chips are called.

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Chip kits

RAM Burners

PROM Burner

None of these

A computer derives its basic strength from.

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Speed

Accuracy

Memory

All of above

Which of the following is an example of text formatting?

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Replacing good with good will

Moving a sentence to a different paragraph

Deleting a paragraph

None of these

Computer scientist still have not.

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Developed tools that will allow programmers to quickly produce error free software.

Gotten anywhere past the theory of virtual reality

Developed the first intelligent agent

Had any real success with speech recognition

A bus line consists of

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Registers

Accumulators

Parallel data paths

Machinie cycles

Applications designed specifically for a particular business or industry are sometimes called.

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Vertical market applications

Closed applications

Horizontal market applications

Restricted application

Spell checkers cannot detect.

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Errors of context

Word not int the checkers dictionary

All misspelled proper names

All of the above

One safeguard against theft or alteration of data is the use of .

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DES

Identical passwords

The trojan Horse

Data diddling

Why are computer crimes so hard to detect?

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Disk can easily be creased to get rid of the evidence.

Someone can steal information and leave the original behind.

Most computer crimes are committed by insiders.

All of these make computer crimes hard to detect

GUI stand for.

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Graphical User Interface

Global User interface

Graphical usage interface

None of these

Pocket electronic translators provide world travelers instant access to.

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Networks

Common words

Whole sentences

Syntax

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

Steps wise refinement is similar to.

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The process of developing a table of contents

The development of an outline of a paper

Writing an abstract after writing a paper

Writing an introduction to a paper

The form of computer assisted instruction known as drill and practice.

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Helps students lern to think in ways that aren't possible otherwise

Does Not help students learn to think, but helps students memorize facts and skills

Doesn't help students learn to think better or to memorize facts and sills, in fact, it's nearly worthless

Allow students to program computers with easy-to understand languages.

The emerging standard for programming complex queries in a database is called.

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SOL

COBOL

1-2-3

Word perfect

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

The information infrastructure of computers and networks can be compared with.

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The railroads of the nineteenth century

The airline industry

Our modern highway system

All of the above

The general purpose processor on chip is otherwise known as the

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ENIAC

Microcomputer

Pocket calculator

Microprocessor