Question # 1

An emerging technology that provides nonvolatile memory chips is .

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Flash memory

PROM

CMOS

CISC

Machine language is a ........... language,

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Low level

High level

Middle level

None of these

The person who requests study or work on a system is the.

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Client

Analyst

Change agent

User

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Actually, call back systems are outdated.

When the control unit directs the ALU to perform an operation on the data, the machine cycle is involved in the.

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First steps

Third steps

Second steips

Fourth steps

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 of the following is not considered a benefit of telecommuting.

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Reduced use of fossil fuels

Saving the time usually spent commuting

Reduced social contact

Increased productivity

Software that is free for the taking, with no strings attached, is called.

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Public domain

Share ware

Copy righted

Copy protected

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

Micro processor is based on

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Thermionic values

Transistors

Single integrated circuit or chip

Integrated circuit

CPU stand for

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Central processing unit

Central process unit

Commercial process unit

None of the above

The abacus emerged in _______________

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Asia Minor

Central Asia

Europe

America

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

The following command is used is DOS for copying one of more files to another location.

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BACKUP

SAVE

COPY

None of these

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

If users of different systems use programs with incompatible file formats, they need ___________ to read and modify each other's files.

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An emulator package

Data translation software

File transfer softeare

None of these

Authorization to make multiple software copies is called.

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Plggybacking

Site licensing

Savenging

Copy protection

A set of electronic signal pathways that allows information and signals to travel between components inside or outside of a computer is called.

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Data Bus

System Bus

Control Bus

Expansin Bus

Which of the following is not hardware.

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Meganetic tap

Printer

Assembler

VDU Terminal

In preparing a program, one should first.

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Plan the solution

Code the program

Document the problem

Define the problem

Data and instructions are put into primary storage by

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Memory

The control unit

Secoundary storage

The ALU

Arranging classified data in a predetermined sequence to facilitate processing is called.

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Storing

Sorting

Processing

Classifying

In one were to allow 6 bits per symbol, then following number of different symbols could be encoded.

Choose an answer

16

32

64

128

126₈ + 425₈ =

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253₈

353₈

453₈

553₈

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.

A fourth generation language used for database retrieval.

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High level language

Assembly language

Query langauge

Procedural language

Document imaging systems include

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Scanners

Magnetic and optical storage disk drives

Fax machines

All of the above

Phase one of a system project involves

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A system survey

Data gathering

A system analysis

Questionnaires

Bill Gate and Paul Allen formed Microsoft to produce and market.

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A version of BASIC

MS-DOS

P(C) DOS

A personal computers.

A string of letters and numbers known only by the user and the computer is called a

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Login Name

Command

Password

Code

The term'word' in computer terminology refers to.

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Bit formed into groups

Coded instructions

Memory size

Language used

All of the following are normally input devices except for

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A digital camera

A mouse

An LCD

A digitizer

An intelligent terminal is a terminal that.

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Translates intelligence for the business computer

Uses a computer for organizing data

Manages CPU in a sequential order

Feed input or outpur

Implementation of a program involves.

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Compilation of the program

Debugging the program

Testing the program with data

All of the above

Excess-3 code is known as

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Weighted code

Cyclic redundancy code

Self complementing

Algebraic code

Computer program consists of

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Instructions

Data

Low level language

Both a and b

A letter, number, or a special character is represented by a

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bit

kilobyte

Megabyte

byte

Which of the following is not component of telecommunications?

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Sender

Office device

Medium

Receiver

In the computer world the word digital mean information that in an.

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Discrete units

Units that can be counted

Continous, smooth form

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

What is query

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Question or inquiry

Answer

Command

Form

ROM store data

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Direct

Permanent

Temporary

Provisional

Which of the following cannot be entered into a typical spreadsheet cell.

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A formula

A numeric value

Graphics

All of the above are legal

Binary systems use a base of.

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Eight

Two

Ten

zero

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

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

What is the maximum length of variable name in C language?

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20

31

250

253

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

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

The number A9D in Hexadecimal system is equivalent to which number in octal system.

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5235

5335

5135

5233

The number of bits devoted to each pixel in a bitmapped graphics program is referred to as.

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Pixel depth

Resolution

Pixel strength

Density

OCR -A is a

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Plotter

Wand reader

Standard type face

barcode

Which one of the following is another name of pointer?

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Cursor

Pixtel

Monochrome

Icon

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

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Hard ware

Instruction

Software

Algorithm

Managers can use_______ to help them with planning, staffing, directing, and controlling organizations, but can suffer the possibility of _______.

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Virtual reality/algorithm overload

Database management system/de-skilling

Computer monitoring/deskilling

Management information system /information overload

A standardized business language is.

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CODASYL

BASIC

COBOL

Ada

Each location in primary storage is assigned a unique.

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Data

field

Name

Address

Instructional software is often referred to as

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Eduware

Courseware

Firmware

School ware

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

One problem with high-tech weapons is that.

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they have become too large to store securely

they reduce the amount of time people have to make life and death decisions.

When people try to control them manually, they are unpredictable

There is no problem with high tech weapons.

Computer operation s are synchronized by

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The CPU clock

Megabytes

The binary system

E-time

When a database stores procedures or instructions along with data, rather than in table sor hierarchies, it is called.

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Graphical user interface

User friendly

Object oriented

Query format

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 rate of screen refreshment is called.

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Pixel speed

Raster rate

bit map speed

scan rate

An analog computer produces its results inthe form of .

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Numbers

Codes of '0' s and '1' s

Log format

Graphs

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

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Register

Address

Program

Software

A device that prevents electrical problems from affecting data files.

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site license

trojan horse

hot site

surge protector

Characteristic of digital computer are.

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Versatile and large memory

Speed and accuracy

Aase of communication, simulation and automation

All of the above

The microphone converts the sound into.

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Mechanical signals

Electrical signals

Computer file

Software

The active cell.

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Current cell

Formula

Range

Cell address

A computer can be defined as an electronic device that can .

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Carry out arithmetic operation

Carry out logical operation

Do complicated calculation

Accept and process data by implementing sequentially a set of stored instructions.