Question # 1

Which type of computer operator by directly counting numbers.

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Special purpose

Analog

Digital

Hybrid

Computer follows a simple rule called GIGO,GIGO stand for

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Good input, good output

Great instructions, great output

Garbage in , garbage out

Gated input, gated output

When thomas J. Watson Sr. took over the computing tabulating Recording company, he renamed it.

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Digital Equipment Corporation

International Business Machines

Sperry UNIVAC

Social Security Administration

Formula can be applied on:

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Values

Labels

Unmerged cells

None of the above

The leading software manufacturer is

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Apple

IBM

MITS

Microsoft

The memory area for programs with highest priority.

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Frames

Foreground

Page table

Dafault drive

Computer class rooms.

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Improve memorization skills, but provide no help with learning analytical skills

Decrease school budgets by replacing teachers.

Allow students to work at their own pace

Improve student analytical sills, but provide no help with creative work

An error in a computer hardware and software is called a bug another name for it is.

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Glitch

Hacker

Virus

Pixel

A computer has a word length of 32 bits. The maximum address that can be generated is.

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2 ³²

2^32-1

2^31-1

None of these

Time sharing of resources by users is usually

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Based on time slices

Based on input

Event driven

Operated by spooling

Software to peruse the internet:

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gate way

EFT

Browser

Teleconferencing

Which of the following are logical structures within an algorithm that maintain the order in which instructions are carried out.

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Logic stateemnts

Program statements

Control structures

Data structures

What type of translator software translates an entire program into machine language before passing it on to the computer?

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Compiler

Interpreter

Pascal

Text editor

The secret words or numbers to be typed in on a keyboard before any activity can take place are called.

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Biometric data

Data encryptions

Passwords

Private words

NOS refers to

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The default drive

Booting

Operating system for a network

Roun ,robin scheduling

Windows explorer is look like.

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My Documents

Internet explorer

My Computer

All of the abvoe.

The ENIAC, using ABC principes, wea designed by

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Charles Babbage

Bell Laboratories

John V. Atanasoff

Mauchly and Eckert

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

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Booting

Downloading

Uploading

Everypting

Error in computer results could be due to

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Encoding of data

Transmission of data

Manipulation of data

All of the abvoe

Provides direct access to any byte on the chip

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RAM

ROM

Cache RAM

Operating System

Analog computers are_____ accurate as compared to digital computer is.

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More

Less

Nearly same

Unpredictable

The person who fills the role of change agent is the

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System user

System analyst

Administrator

client

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

Error messages provided by a compiler are called

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Bug

Diagnostic

Translations

Mistakes

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 addition, (1+1) will result in

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0

1

0 with no carry

1 with 1 carry

0 with 1 carry

OCR -A is a

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Plotter

Wand reader

Standard type face

barcode

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

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Inaccurate results

Poor reliability

delayed results

Limited capabilities

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

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Charles Babbage

Neumann

George

Jack Kilby

Which of the following true of spreadsheets in general?

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They are used only in business applications

They can be used for simulations

Their formulas can only refer to cells that are in the same row or column as the formula

It is very difficult to generate deceptive results with a spreadsheet.

A bus line consists of

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Registers

Accumulators

Parallel data paths

Machinie cycles

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

Who is responsible for introducing the concept of stored program.

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Blaise Pascal

Herman Hollerith

Charles Bababage

John von Neumann

What are string constants?

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A set of positive and negative numbers.

A set of characters enclosed in quotation marks.

Both of these

None of these

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.

The basic operation performed by a computer is.

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Arithmetic operations

Logic operations

Storage and retrieval operations

All of above

The first digital computer to work electrically was the

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UNIVAC

Atanasoff Berry Computer

Mark -I

Analytical Machine

The Media Access Control sublayer resides in which OSI layer?

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Physical

Data link

Net work

Transport

Computer people who design, write, test, and implement programs are.

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Programmers

Computer operators

Data entry operators

System analysis

The closest thing the United States has to a national telecommunications network is.

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Minitel

E-mail

Internet

Arpanet

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 following are all programming languages except for.

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FORTRAN

C

Pascal

MS-DOS

Data is represented on a computer by means of a two-state on/off system called.

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The otcal system

The binary system

A word

ROM

In time division Multiplexing

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Time is doubled between bits of a byte

Time slicing at CPU level takes place

Total time available in the channel is divided between several useres and each user is allotted a time slice

None of these

The output impedance of an ideal operational amplifier is

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Infinity

zero

1 ohm

10 ohm

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

People whose jobs will be changed or eliminated by computers in the coming decade include.

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Factory workers

Clerical workers

Farmers

All of th abvoe

During E-time the ALU

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Examines the instruction

Enters the instruction

Executes the instruction

Elicits the instruction

The binary number 10011101 is equal to hexadecimal number

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9E

9F

9D

FF

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

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Update

Select form

Delete form

Insert into

A chart that represents only one value for each variable.

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Function

Pie

Line

Bar

What is the name of the process of finding and removing errors from a computer program?

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Scanning

Refreshing

Debugging

None of these

Four digit binary number 1011 is represented in the decimal system by.

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7

9

11

13

Which one of the following commands displays the volume label and serial number if they exist

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VOL

VOLU

VALUM

VOLUME

A complex system that can assume complete responsibility for a task without human input is called an.

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Independent weapons system

Autonomous system

Generated system

Smart weapon system.

The use of computers to create, view, edit, store, retrieve, and print text materials is called.

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Word processing

Line printing

Data processing

typing

Computer user who are not computer procfessionals are sometimes called.

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Librarians

Peripheral users

Information officers

End users

When all access and processing is done in one location, a computer system is said to be

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Networked

Distributed

Contralized

Linked

126₈ + 425₈ =

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253₈

353₈

453₈

553₈

Programming and testing are elements of.

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System analysis

System development

Implementation

System design

The presence of both data and its related instructions in an object is.

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C++

Encapsulation

Orientation

Inheritance

Computer operation s are synchronized by

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The CPU clock

Megabytes

The binary system

E-time

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

Which of the following circuit is known as half adder?

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Exclusive and circuit

Flip-Flop circuit

Inclusive or circuit

Exclusive or circuit

The first few working computers.

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Were all made by American scientists

Were used almost exclusively for text processing

Generally had back and white CRT screens

Were, for the most part, developed for wartime uses.

The analog computer deals directly with

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Number of pulses

Measured values of continuous physical magnitudes

Signals in the form of 0 or 1

Signals in discrete values from 0 to 9

Memory is devided into many numerically addressed.

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Logic

Location

Codes

cell

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 major disadvantage of pipelining is

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Initial se up time

If a branch instruction is encountered the pipe has to be flushed

High cost of individual dedicated units.

All of above

A byte is a collection of.

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800 bits

Eight bits

28 bits

2 bits

In BASIC,Which one of the following is something that does not change its values during execution of the program?

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Variable

Constant

Command

None of these