Question # 1

Pickup the wrong statement A digital computer can read/write data from/on

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Punched cards and tapes

Magnetic disks and taps

Floppy disk

Printer

The "what you are" criterion for computer system access involves.

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a badge

biometrics

a pass word

a magnetized card

The history of first generation computers extends from 1945 to.

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1953

1954

1955

1956

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

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First Generation computer

Second generation computer

Third generation computers

Fourth generation computers

Pocket electronic translators provide world travelers instant access to.

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Networks

Common words

Whole sentences

Syntax

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.

The hexadecimal number system is widely used in analyzing and programming in.

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Analog computer

Binary computer

micro computer

decimal computer

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 entire computer system is coordinated by.

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The ALU

The accumulator

The control unit

Arithmetic operators

Rearranging data is a new sequence is known as.

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Up dating

Batching

Sorting

Summarising

___________ convert high level language into low level langage.

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Google

Assembler

Web page

Compiler

The number A9D in Hexadecimal system in equivalent to which number in decimal system.

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2727

3648

2717

3717

CPU is divided into how many parts.

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2

3

5

6

Which menu of MS-Access contains the command "New"?

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File

Edit

View

Format

The smallest unit of information is an

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Byte

Element

Bit

Atom

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

The main characteristic of fifth generation computers is.

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Artificial intelligence.

Windows operation

All of the above

None of these

The major components of modern computer are.

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CPU

Main Memory

I/O units

All of the above

The binary information contained in a computer is referred to as.

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Hard ware

Memory

Program

Instruction

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.

Which statement is used to retrieve data front database table.

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INSERT INTO

DROP TABLE

UPDATE

SELECT

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

Binary coded decimal numbers express each decimal digit as .

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Binary digits

Nibble

Word

Byte

One complement of 1011.010 is

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0100.101

1011.101

0100.010

How many input leads will be required for a chip containing our two input NOT gates?

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7

12

13

14

In EBCDIC coded each character is denoted by.

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3 bits

4 bits

5 bits

8 bits

The lowest level of management is concerned with

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Operational information

Traditional information

Long term planning

Strategic information

Programming and testing are elements of.

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System analysis

System development

Implementation

System design

The shortest period of time is a.

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Milli second

Nano second

Picosecond

Microsecond

When a user posts software on a BBS for others to use, the process is called.

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Uploading

Offloading

Downloading

Copying

A program that can identify unnecessary ward and word phrase is called an.

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Pull down menu

Headers

block

Halftone

The basic operation performed by a computer is.

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Arithmetic operations

Logic operations

Storage and retrieval operations

All of above

The programming language that was designed to encourage programmers to write structured program was.

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PASCAL

COBOL

BASIC

FORTRAN

During E-time the ALU

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Examines the instruction

Enters the instruction

Executes the instruction

Elicits the instruction

A device that connects multiple nodes to the network is.

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A modem

A repeater

A router

A hub

IBM's system family of computers was introduced during the .

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First generation

Second generation

Third generation

Forth generation

126₈ + 425₈ =

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253₈

353₈

453₈

553₈

What is the turing test?

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A spreadsheet cross -check

A test for machine cognition

A database selection rule

A test for electronics reliability

One reason computers have difficulty processing natural language is because of the.

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Limited vocabulary of natural languages

Lack of subsets of natural languages

Large vocabulary of natural languages

Fact the natural languages have no syntax

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

Memory capacity may be expresed in .

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Microseconds

Kilobytes

Bits

Cycles

Which of the following is not hardware.

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Meganetic tap

Printer

Assembler

VDU Terminal

A computer programme is a list of __________ that tells the computer what to do and how to do.

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Documents

Information

Instructions

Alphabets

Data gathering and data analysis take place.

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After the system survey

After system Analysis

During evaluation

The process of converting English-Like instructions to zero and ones is performed by.

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The programmer

The monitor

The translator program

Busses

Types of software that can be freely distributed without violating copyright laws are called.

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Shereware

Public domain

Copy protected

a and b

Digital sound in a multimedia production can come from.

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A standard audio compact disc in a CD-Rom drive controlled by computer

Data in the computer's memory

A synthesizer controlled by a computer

All of the above

Another name for an antivirus.

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Vaccine

Worm

Trojan horse

DES

The main advantage of analog computers compared to digital computes is that they are more.

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Efficient in continuous calculations such as differentiation and integration

Efficient in handling vast data

Accurate and precise

Reliable.

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

Data and stored instructions in a digital computer consists of .

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Numerals

Alphabets

Characters

Bits

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

"Hot Spots" that respond to mouse clicks in a Hyper Card stack are called.

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Buttons

Fields

Links

Cards

WAN stand for

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World area network

Wide Area network

Westran Area network

Wilson Ara network

Main memory of personal computer is called.

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PROM

ROM

EPROM

RAM

The SDLC is defined as a project involving.

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two phases

Four phases

Three phases

Five phases

Software program designed to be managed, rather than manipulated by the user, are called.

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Icons

knowledge workers

Enablers

Agents

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

A virus that replicates itself is called is

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Bug

Worm

Viccine

Bomb

The first digital computer to work electrically was the

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UNIVAC

Atanasoff Berry Computer

Mark -I

Analytical Machine

A physical system can be modeled by a set of

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Boolean equations

Logic equations

Differential equations

Linear algebraic equations

Which of the following is not a logical prediction for the future?

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Computers will be smaller and lighter.

Computer will be less expensive

Computer are not going to get any faster, we've reached a limit already

Computer will be easier to use.

The binary number 10101011 is equal to the hexadecimal number

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AD

CD

AB

BC

Pixel depth is one of two technological factors limiting an artist's ability to create realistic images with a bitmapped graphics program. The other factor is.

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Imaging

Resolution

Pixel strength

Monitor measurement

_____________ are programs which are written to cause computers to function in a desired way.

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Hardware

Instruction

Software

Sorting

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

What is pioneer in the field of computer languages who played an important role in the development of COBOL.

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Grace M. Hopper

Howard H. Aiken

John Von Neumann

Thomas J. Watson

Which of the following can be used to launch Word Art?

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Status bar

Ruler

Standard tool bar

Drawing tool bar

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.

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

Most modern word processors allow users to control the formats of .

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Individual characters

Lines

Paragraphs

all of the above