Question # 1

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

The most common type of data base printout is a.

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Menu

Program

Report

Query

An analog computer produces its results int he form of .

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Codes '0' and '1' s

Numbers

Log format

Graphs

IBM's System/360 family of computers was introduced during the .

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1950s

Third generation

Second generation

1990s

Data and instructions are put into primary storage by

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Memory

The control unit

Secoundary storage

The ALU

Which of the following devices use reflected light to determine the location of pencil marks on standardized answer sheets and similar forms?

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Bar code readers

Optical Mark readers

Magnetic ink character readers

Wand readers

Mainframe computers are capable of communicating with several users simultaneously by.

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Using a terminal

Using a supercomputer

Using a workstation

Time sharing

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

The concept of sending/receiving text etc, on computer networks is called.

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On-line database

Electronic mail

Teleprinting

Teleconferenceing

Program written to cause computers to function in a desired way are called.

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Hard ware

Instruction

Software

Algorithm

The first digital computer to work electrically was the

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UNIVAC

Atanasoff Berry Computer

Mark -I

Analytical Machine

Prewritten standard file handling programs are called.

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Pull down menus

Pages

Supervisors

Utilites

Computer operation s are synchronized by

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The CPU clock

Megabytes

The binary system

E-time

A computer devices its basic strength from

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Speed

Accuracy

Memory

All of above

In spreadsheet program the active cell is the cell that.

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Is still empty

Contains data or text

Is doing acrobics

Can be modified

Which command is used to create a new database file?

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Ctrl+C

Ctrl+V

Ctrl+D

Ctrl + N

The set of choice on the screen is called an

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Menu

Editor

Reverse video

Template

The following register keeps track of the program during Execution.

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Address register

Program counter

Data register

Accumulator

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

Data items are generally classified into which type of codes

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Numeric

Alphanumeric

Character

All of the above

Binary systems use a base of.

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Eight

Two

Ten

zero

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

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

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Database program

IDE

GUI

Application Program

Point of sale terminal to.

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Terminals associated with MICR

Smart terminal

Terminal associated with OCR

None of abvoe

CPU is divided into how many parts.

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2

3

5

6

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 clock speed of a computer is measured in.

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Megahertz

Kilobytes

Megabytes

Binary digits

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

The first apple computer was built is.

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a garage

a ware house

An apartment

A factory

The rate of screen refreshment is called.

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Pixel speed

Raster rate

bit map speed

scan rate

A software program designed to replicate the decision making process of a human expert is called an

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Knowledge base

Data base

Expert system

Artifical domain

Natural languages are advantageous to programmers because they.

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Use words that people speak and write

Eliminate the computers demand for technical detail

Are less expensive

Use the binary system

When all hardware, sofware, storage, and processing is housed in one location it is called.

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A time sharing system

Centralized processing

A DDP system

A host computer system.

CD(C) 6600, IBM-1401, IBM-7030 etc. belong to the

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First generation of computer

Second generation computer

Third generation computer

Fourth generation computer

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

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On-line updating

Off line processing

On line query

On-line processing

What is meant by the portion of the program that explain the program?

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Manual

Documentation

expression

None of these

Another name for an antivirus.

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Vaccine

Worm

Trojan horse

DES

A virust that replicates itself is called a.

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bug

worm

Vaccine

bomb

You're ready to telecommunicate with your PC to what kinds of systems can you connect?

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Time sharing systems

Electronic bulletin boards

Electronic mail services

All of tha above

People are currently using smart cards.

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To pay highway tolls

As keys to access sensitive data on computers

as food stump

All of the above

Information .

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Is a marketable commodity

Can be stolen while leaving the original behind

Should be free, according to the original hacker ethic .

All of the above

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

A fourth generation language used for database retrieval.

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High level language

Assembly language

Query langauge

Procedural language

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

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Polymorphism

encapsulation

Inheritance

Messaging

A data coding scheme that is the American standard is.

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ASCII

KB

SIMM

Gigabyte

A Hybrid computer is the one having combined properties of.

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Super and microcomputers

Mini and microcomputers

Analog and digital computers

None 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

If the experts are right, we can expect the price - to - performance ratio of hardware.

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To double every year or two for several years.

To go down every year or two for several years

To stay the same for a while

None of the abvoe

The concurrent processing of computer program via terminals on one computer system is an example.of.

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Realtime processing

Time sharing

Interactive processing

All of the above

A floppy disk is a __________ generation computer invention.

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1st

2nd

3rd

4th

Today, the most popular desktop computing environments are.

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MS-DOS , Macintosh, and Windows

OS/2 , UNIX, and MS-DOS

PS/2 , OS/2, and UNIX

MS-DOS , P(C) DOS, and BASIC

Which one of the following commands deletes all files and subdirectories in a directory?

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DELL

DELETE

DELL TREE

None of these

The instructions that tell the computer what to do are called

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Software

Output

Hardware

Telecommunication

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

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Coded

Memorized

Analyzed

Reduced to a series of logical steps.

The following registers, respectively are used for selecting an instruction , reading into the register, and interpreting.

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Sequence, instruction, decoder

Accumulator, storage, address

Decoder, address, instruction

Accumulator, address, decoder

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

Blocks that appear at the top and bottom of every page, displaying repetitie information such as chapter titles are called.

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Leaders and trailers

Headings and footnotes

Titles and footnotes

Headers and footers

Computed fields in a database can contain.

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Text values only

Memeric values only

Formulas and numeric values

Formulas and text values.

Example of pointing devices that are used for computer input are.

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Joysticks

Mice

Trackballs

All of the above

The name for the screen clarity is.

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Resolution

Discrete

Pixel

LCD

The software tools that allow a computer to be used for specific purposes are called.

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Firmware

Terminals

Hardware

Application programme.

For calculating taxes, input to computer could be

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Numbers representing wages

Income

Tax tables

All of the above

A modem can.

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Be used as a regular phone when needed

Convert analog signals to digital signals

Provide user iterface with the operating system

Only be installed inside th comuter chassis

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 length of IP address is.

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8 bits

16 bits

32 bits

64 bits

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 virus that replicates itself is called is

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Bug

Worm

Viccine

Bomb

Intersection of a row and column.

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Active address

cursor

cell

formula

Error messages provided by a compiler are called

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Bug

Diagnostic

Translations

Mistakes

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

Electronic banking.

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Token ring

Mosale

EFT

BBS