Question # 1

A person who gains illegal access to a computer system.

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Hacker

Worm

Software

Zapper

DROP TABLE statement is used for.

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Deleting record

Inserting record

Deleting table

Retirieving records

Loading the operating system into a personal computer is called.

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Booting

Prompting

Interrupting

Paging

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

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data

Information

Field

Record

Computer conferencing.

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Requires that each participant have a modem

Allow prticipants to examine documents and comments from geographically remote sites

Is an example of batch, rather than interactive computer g

Always includes voice communication

A computer is very high speed, accuracy and reliability .Its intelligent quotient could be of the order of.

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0

10

15

20

The faster type of ADC is.

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Time intervel

Parallel

Closed loop

Successive

The length of IP address is.

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8 bits

16 bits

32 bits

64 bits

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

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virus

Programming errors

Data entry

Hardware problem

Pick up the wrong statement in the analogy of mechanical and electrical devices.

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Resistance is analog of damping

Inductance is analog of mass

Capacitance is analog of spring constant

Charge is analog of displacement.

Time scaling in analog computers is done to make them

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Operate fast

Operate slowly

Operate in time delay mode

Either operate fast or operate slowly

Formula can be applied on:

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Values

Labels

Unmerged cells

None of the above

Which of the following would work to keep a class gradebook that automatically upgrades totals when grades are entered?

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Word processor

Spread sheet

MS-DOS

None of these

Integrated circuits are housed in .

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Vacuum tubes

Transistors

Software

Silicon chips

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

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 heart of a digital computer is.

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Control unit

Memory unit

Logic unit

Visual display unit

___________ means rearranging of data in a sequence.

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Editing

Updating

Batching

Sorting

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

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Ring network

Node

Information utility

Star network

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

What is liable to be the biggest obstracte to the advancement of computer technology in the next few years?

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Keeping hardware costs down.

Finding new tasks for computers to do.

Increasing the speed of software.

Designing reliable software .

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 of the following is not component of telecommunications?

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Sender

Office device

Medium

Receiver

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

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System user

System analyst

Administrator

Client

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

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Register

Address

Program

Software

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

Provides direct access to any byte on the chip

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RAM

ROM

Cache RAM

Operating System

A proprogrammed formula

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Function

range

group

cell

The ENIAC, using ABC principes, wea designed by

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Charles Babbage

Bell Laboratories

John V. Atanasoff

Mauchly and Eckert

Diodes are used in analog computer circuit as

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Phase shifter

Rectifler

Binary logic

Limiter

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

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Booting

Downloading

Uploading

Everypting

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

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Active cell

Console

Formula bar

Heading

Monochrome graphics programs are efficient and easy to learn but limited in their ability to produce.

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Realistic images

Simulated shades of gray

One bit graphics

Single colors

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

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

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

Which menu contains the new command?

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File

Edit

Tools

view

The people who will have contact with the system, such as employers and customers, are.

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Progmmers

Users

Client

System analysis

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

An operating system used exclusivbely with the manufacturer's computer.

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DOS

Proprietary

UNIX

NOS

The preliminary investigation of a system project is also called a.

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Analysis survey

Systems design

Feasibility study

Evaluation

The evolution of computer software can be summarized as the following sequence of developments

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Natural language, algorithm and electronic mail

Algorithm natural language and programming language

Machine language, assembly language, and high level langauge

Instructions , assembly language and MS work

Which component is responsible for comparing the contents of two pieces of data?

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ALU

Control Unit

Memory

None

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

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136₈

140₈

139₈

141₈

A visually impaired person can read any book, even if it has not been recorded on audio tape, by using.

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A natural language processor

A robotic device

A talk writer

Optical character recognition technology

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

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

The number ABC in Hexadecimal system is equivalent to which number in decimal system.

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2740

1748

2748

3748

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

___________ are used for translating high language instructions in to machines code or an object code.

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Interpreters

Assemblers

Compiler

None of these

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

This works like a specialized prefabricated worksheet, automatically recalculating as a number is entered or changed.

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Tax preparation software

Audit trials

Mathematics processors

Transaction software

The active cell.

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Current cell

Formula

Range

Cell address

The most powerful computers are.

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Super minis

Super Micros

Super mainframe

Super Computers

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

How many types of modems are available in the market?

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2

3

5

6

Which one of the following is database management system.

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MS Word

Corel draw

Power point

MS Access

Electronic Numerical Integrator and Calculator belongs to the.

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First Generation digital computer

Second generation computer

Third generation computer

Fourth generation computers

Two complement of 1011.01 is

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0100.10

0100.11

1011.10

0100.01

The date gathering vehicle that permits high-volume anonymous answers.

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observation

unstructured interview

questionnaire

Structured interview

The memory area for programs with highest priority.

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Frames

Foreground

Page table

Dafault drive

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

Booting is a process in which

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User programs are bought in memory

I/O files are collected and organized on disk

A portion of the operating system is loaded into memory

None of the above

A microprocessor has memory location from 0000 to 3 FFF, each storing one byte. The number of bytes, the memory can stored is.

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8,192

16,384

32,768

4,096

Charles Babbage worked closely with__ to develop his device.

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Ada Lovelace

Joseph Marie Charles

Herman Hollerith Charles

Lord Byron

Another name for available for purchase software is.

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Secondary software

System software

Packaged software

Peripheral software

Which is not associated with the main memory of computer.

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Semiconductor memory

Core memroy

Read only memory

Sequential memory

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 branch of computing that attempts to make the computer exhibit imagination and insight is called

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Artificial intelligence

Multimedia

Hypermedia

Computer graphics

To open a version of a document means to copy it back from.

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Printed copy

floppy disk into the computer's memory

Hard disk into the computer's memory

Either b or c

An advantage to having a distributed database system over having a centralized one is that.

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Consistency is easy to maintain

It can adjust to differences in user needs

All data is entered in standard formals

It is easier to achieve data accuracy