Question # 1

The unit that transforms data into information is the

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CPU

ROM

DVD

OCR

The leading software manufacturer is

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Apple

IBM

MITS

Microsoft

Because assembly language programming requries the programmer to think on the machine's level and to include an enormous amount of details it is called.

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Decimal

Hexadecimal

Machine

Low level

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.

Relativity permanent data is continue in.

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A field

A unsection

Memory

A master file

The transfer of encoded information from one location to another by a communication channel is called.

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Data processing

Data distribution

Data communication

Data encryption

Which one of the following is a graphical shell?

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UNIX

Page

GUI

Utility program

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.

All of the following are normally input devices except for

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A digital camera

A mouse

An LCD

A digitizer

The clock speed of a computer is measured in.

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Megahertz

Kilobytes

Megabytes

Binary digits

Software to peruse the internet:

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gate way

EFT

Browser

Teleconferencing

Terminal is a:

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Device to give power supply to computer

Point at which data centers or leaves the computer.

The last instruction in a program

Any input/output device

The most common output of computer tax calculation would be:

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Taxes owed

Deductions

wages

Number of exemptions.

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

When usere view and change values interactively while using a database, the process is referred to as.

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Batching

Real time

High speed

Just in time

Phase one of a system project involves.

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A system survey

Data gathering

A system analysis

questionnaires

PIMs can be especially useful.

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For people with busy schedules

With laptop and notebook computers

For people with many customers and clients

All of the above

The physical parts of a computer system are called.

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Software

Input

Out put

Hardware

A data base record is broken down into

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Fields

Relations

Tracks

Forms

May experts predict that the most important enhancement to the user interface of the future will be.

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A new menu structure.

Talk writers

Knowledge

A new type of pointing device.

___________ convert high level language into low level langage.

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Google

Assembler

Web page

Compiler

One particular use for the abacus is teaching children simple mathematics and especially.

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Addition

Subtraction

Multiplication

Division

During E-time the ALU

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Examines the instruction

Enters the instruction

Executes the instruction

Elicits the instruction

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

Base 8 is often used in computing because

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There are 8 bit in a byte

Calculations become casier by using base 8

Electronic circuits can be made economically

It can represent long string of binary I's in a more compact form.

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

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System user

System analyst

Administrator

Client

Database software that utilizes desktop computers to work with files in central database is called.

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File manager

Decentralized

Personal

Client/server

The number A9/d in Hexadecimal system is equivalent to which number in binary system.

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10101011101

101010011101

101110011101

101010011111

The gain of an ideal amplifier must be

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Infinity

Zero

Unity

none of these

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

Violations of the rules of grammar of a programming language are called.

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Syntax errors

Programming errors

Translator errors

Logic errors

People who prepare data for processing are.

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Programmer

Librarians

Printers

Data entry operators

A data base files is a collection of which of.

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Cells

Records

Keys

Name and address

A temporary lincup of print requests waiting to be printed on a printer.

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Print request

Print queue

Print Waiting

None of the abvoe

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

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

A Computer devices its basic strength from

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Speed

Accuracy

Memory

All of the above

Smart cards.

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Have a microprocessor and memory in them

Are currently only used for checking and credit card services.

a and b

None of these

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

A general purpose program or system of program that can manipulate data in a large collection of files is called.

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Data base management system

Data base security system

File manager

Data base multiple platform system

A device that connects multiple nodes to the network is.

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A modem

A repeater

A router

A hub

A basic operation performed by a computer is.

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Arithmetic operation

Logic operations

Storage and retrieval operations

All of above

The problem of protecting the privacy in computer systems is aggravated by the increased use of.

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Command line user interfaces

Work stations

New CPU hardware.

Network

Binary number 10101101 is equivalent in decimal form to.

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170

171

173

174

Computer program consists of

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Instructions

Data

Low level language

Both a and b

A person who gains illegal access to a computer system.

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Hacker

Worm

Software

Zapper

A clip-on identification card with an embedded chip to signal its wearer's location.

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Antivirus

Active badge

Site license

Consortium

A virus program is usually hidden in.

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The operating system only

An application program only

The disk drive

The operating system of application programs

How many pairs of computers can simultaneously communicate on Ethernet LAN?

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1

2

3

Multiple

Which of the following is not a advantage of an integrated package.

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Generally less expensive than purchasing individual packages

Are not copyrighted so multiple copies can be made

User don't need to memorize as many commands

Allow for quick and easy transfer between applications.

A data coding scheme that is the American standard is.

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ASCII

KB

SIMM

Gigabyte

Primary storage for the UNIVAC was via

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Punched cards

Transistors

Magnetic cores

Disk packs

Excess-3 code is known as

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Weighted code

Cyclic redundancy code

Self complementing

Algebraic code

Formula can be applied on:

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Values

Labels

Unmerged cells

None of the above

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

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Booting

Downloading

Uploading

Everypting

BCD code is.

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4 bits code

5 bits code

6 bits code

8 bits code

Which of the following is increasing as computer technology progresses?

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Hardware reliability

Efficiency

Speed

All of these are increasing.

Language was developed in

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1945

1956

1972

1977

Program maintenance means.

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Maintaining a program exactly the way it was initially developed

Changing a program due to changes in the organization

A dopting an altogether new program

Removing the errors from a program

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.

The name for the screen clarity is.

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Resolution

Discrete

Pixel

LCD

Much early AI work focused on game like checkers and chess because.

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They are easy to represent in the computer's digital memory

They have clearly defined rules

The goals of the game are unmistakable

All of the abvoe

A computer cime in which money is embezzled in small amount over time is.

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The salami technique

The Trojan Horse

Blue collar crime

Data diddling

Error reports are an example of.

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Scheduled report

On demand reports

Exception reports

External reports

___________ is an external example of hardware.

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Monitor

Sound card

Modem

None of these

Information transformations are performed by the

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Central processing unit

Input devices

Out put devices

File description

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

Assembly languages, or symbolic languages , use

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Binary code

Abbreviations for instructions

Numbers

English words

Data and stored instructions in a digital computer consists of .

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Numerals

Alphabets

Characters

Bits

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

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Ring network

Node

Information utility

Star network

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

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Inaccurate results

Poor reliability

Delayed results

Limited capabilities