Question # 1

The instructions that tell the computer what to do are called

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Software

Output

Hardware

Telecommunication

A group of related characters that are treated as a single unit is called.

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data

Information

Field

Record

Which of the following descriptions relates to a floppy diskette.

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9 - track 1600 BPI

Double - sided double density

33 Mhz- zero -waid time

40 MB capacity

Another name for an antivirus:

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Vaccine

Worm

Trojan Horse

DES

The most widely available multi user operating system for workstations and academic micro computers today is.

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OS/2

UNIX

PC-DOS

MS-DOS

A group of electronic , magnetic, or mechanical devices that store data is called.

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Register

Address

Program

Software

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

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First generation

Second generation

Third generation

Forth generation

Typical gray scale graphics allow each pixel to appear as black, white or gray by

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Assigning 1 bit per pixel

By mixing black and white pixels to produce gray

Assigning 8 bits per pixel ,allowing for 256 shades of gray

None of these

The three essential components of any computer system are.

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Hardware and software network

Hardware software application program

Hardware software training

Hardware software people

The process of converting English-Like instructions to zero and ones is performed by.

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The programmer

The monitor

The translator program

Busses

The program that uses a personal computer to transform written words into polished, printed publicatios is called.

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A spreadsheet

Telecommunications

Desktop publishing

A database

125₈(octal) in decimal equivalent is equal to.

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85₁₀

83₁₀

84₁₀

86₁₀

For many who understand computers, the biggest issue of concern related to autonomous military system is.

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The unpredictability of the enemy

The these systems might not react quickly enough to an attack

Software reliability

Hardware capacity

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

Word processing electronic filling and electronic mail are part of .

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Office automation

Electronic typewriter

Electronic industry

None of the above

Which one of the following commands checks the validity of a disk and reports the total space, number of files,etc.

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CHECK

CHECKDISK

CHKDISK

CHKDSK

The operation of arithmetic logic unit "ALU" is directed by

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Memory unit

Control unit

Program

The ALU itself

An example of a high level language is.

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DOS

An algorithm

FORTRAN

An assembler

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 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

Why is it so difficult for computers to understand spoken natural language?

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people tend not to leave clear pauses between their words

Everyone's voice is different

Computers don't know enough words

All of the above

The heart of a digital computer is.

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Control unit

Memory unit

Logic unit

Visual display unit

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

In developing a program, documentation should be done.

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as the last step

Throughout the process

Only to explain errors

Only during the design phase

Information travels between components of a computer through groups of wire called.

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Cards

Busses

Slots

Ports

At the beginning of the instruction cycle, the contents of the instruction Register specify.

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Operand for the instruction being executed.

Instruction itself

Operand for the instruction to be executed next

None of the above

The binary number 10011101 is equal to hexadecimal number

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9E

9F

9D

FF

In a spreadsheet program an _______ typically appears on the screen as a grid of numbered rows and alphabetically lettered columns.

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Cell

Address

Location

Worksheet

With the onset of the _________ governments sought to develop computers to exploit their potential.

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First world war.

Second World war

Civil War

None of these

Computer performs following operation on data.

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Storage/retrieval

Calculation

Logic/comparison

All of the above

What is the best reason for using a simulation to model long range movements of the Earth's continents?

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The speed of simulation

Operator safety

The simulation is less work

Simulations are always occurate

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

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Hard ware

Memory

Program

Instruction

OCR -A is a

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Plotter

Wand reader

Standard type face

barcode

Pick out the WRONG statement

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Information stored in RAM can be changed by over writing it.

Information stored in ROM can not be changed by over writing it.

Information Can be stored in any location of RAM

Computer main memory can be accessed only sequentially

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

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Ring network

Node

Information utility

Star network

Another name for a logic chip is.

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PROM

ROM

Memory

Microprocessor

The world today is experiencing the _________ revolution

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Technology

Agricultural

Information

Industrial

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.

The differential equations are solved by.

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analog computers.

Digital computers

Differenctial machine

Both analog and digital computers.

Logical security for on line systems is achieved primarily by_ and authorization codes.

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MIS

Passwords

Tactical

None of the abvoe

Programming and testing are elements of.

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System analysis

System development

Implementation

System design

All of the following aspects of the writing process can be at least partially computerized with widely available commercial software except.

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Organizing ideas

Producing an index

Checking for grammatical errors

Checking for holes in the plot of a novel

Internet explorer was first introduced in.

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2005

1998

1995

1990

Most of the errors in computer system could be attributed due to

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virus

Programming errors

Data entry

Hardware problem

Which of the following is a spreadsheet.

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MS-Word

MS-Excel

MS-Power point

Both a and b

If using verification with the find and replace feature, this is called.

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Verified replace

Questionable replace

Conditional place

What if replace

Project 802 defines standards for which layers of the OSI model?

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Application and Presentation layers.

Physical and date link layers.

Transport and Network layers.

Network and Data Link layers.

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

Data gathering and data analysis take place.

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After the system survey

After system Analysis

During evaluation

Computer operation s are synchronized by

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The CPU clock

Megabytes

The binary system

E-time

A chart of positions and departments within an organization .

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A data flow diagram

A project management report

An organization chart

A Gantt chart

A set of rules for the exchange of data between a terminal and a computer or between two computers is called.

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Modems

Protocol

bps

Transmissons

What service does a typical computer bulletin board provide?

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It allows users to send and receive e-mail

It gives special interest groups a communication tool

It allows group projects to develop

All of the above

The Macintosh user interface can accurately be described with which of the following terms?

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GUI

Menu driven

Incon based

All of these terms describe the Mac user interface.

Management of an operating system is handled by

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By interpreter

The supervisor program

Utility program

The CPU

Pick out the wrong statement about computers.

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It is logical machine

It can access any piece of information that it hs in store.

It is devoid of emotion, has no feelings or instincts

It approaches its information is unrestricted manner.

97₁₀(decimal) in octal number system is equivalent to.

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136₈

140₈

139₈

141₈

A bus in which data transfer one place two another place is called

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Data bus

System Bus

Control Bus

|Address Bus

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

A hybrid computer is the one having combined properties of.

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Super and microcompuers

Mini and microcomputers

Analog and digital computers

None of the above

Which one of the following is faster?

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RAM

Cache

Register

Hard Disk

Computer that used transistors by transferring electricity across a resistor were considered to be.

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First generation

Second generation

Third generation

Fourth generation

True color is photo quality and typically uses ___________ bits of memory for each pixel on the screen.

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2

4

24 or 32

8 or 6

Screen output is also called.

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Hard copy

Soft copy

Daisy wheel

Resolution

A TI line handles.

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25 million BPS

2100 BPS

1.0 Million BPS

1.5 Million BPS

Computers process instructions in their"native" language, whichis called.

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COBOL

Machine language

BASIC

Natural language

Another name for virtual memory is.

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Virtual page

Foreground

Back ground

Utiligy

Transmitting a file from a BBS to personal computer is called.

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Booting

Downloading

Uploading

Everypting

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

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Charles Babbage

Neumann

George

Jack Kilby

You want to produce personalized form letters, so you sue the ____ capability of the word processor.

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Sort

Mail merge

Style and grammar checker

Desktop publishing

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