Question # 1

The basic operation performed by a computer is.

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Arithmetic operations

Logic operations

Storage and retrieval operations

All of above

The major components of modern computer are.

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CPU

Main Memory

I/O units

All of the above

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

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

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First generation

Second generation

Third generation

Forth generation

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

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C++

Encapsulation

Orientation

Inheritance

Computer scientist still have not.

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Developed tools that will allow programmers to quickly produce error free software.

Gotten anywhere past the theory of virtual reality

Developed the first intelligent agent

Had any real success with speech recognition

Personal computer that can use software designed for the IBM PC are called.

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Cores

emulators

Clones

tubunded

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

Parallel processing is normally under

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Batch processing Mode

On-line processing mode

Batch and online mode

None of above

Control unit is the part of

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ALU

CBT

CPU

None of these

The three essential components of any computer system are.

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Hardware and software network

Hardware software application program

Hardware software training

Hardware software people

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

Operating systems.

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Communicate with peripherals

Manage memory

Coordinate concurrent processing of jobs

Performs all of these tasks.

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 computer derives its basic strength from.

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Speed

Accuracy

Memory

All of above

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.

An address location holds ___________ data item at a time.

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one

new

word

discrete

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

Most computers have two separate memory caches L1 cache, located on the _____________ and L2 cache, located between the CPU and DRAM.

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RAM

ROM

CPU

EEPROM

Each address in storage has a ___________ number

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discrete

Character

Unique

General

A byte is a collection of.

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800 bits

Eight bits

28 bits

2 bits

_________ are used for translating assembly language code to machine code.

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Interpreters.

Assemblers

Compiler

None of these

Data and instructions are put into primary storage by

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Memory

The control unit

Secoundary storage

The ALU

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

The process of detecting, locating, and correcting logic errors is called.

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Desk-cheeking

translation

debugging

Documenting

Which of the following IC logic family has maximum fan out capacity?

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TTL

DTL

MOS

CMOS

The time between the user's request and the computer's reply

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Concurrent time

Response time

Allocation time

Event time

Example of pointing devices that are used for computer input are.

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Joysticks

Mice

Trackballs

All of the above

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

A computer process information.

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as directed by teh operator

Automatically

At once

Gradually and enventually

Which of the following writer's tools is not available in a computer software form?

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Thesaurus

Dictionary

Outliner

All of these are available as software

Which one of the following is another name of pointer?

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Cursor

Pixtel

Monochrome

Icon

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

Page frames are typically

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1 K or 2 K Bytes

3 K or 4 K Bytes

2 K or 3 K Bytes

2 K or 4 K Bytes

Who developed the first automatic electronic digital computer prototype between 1935 and 1942

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John Atanasoff

J. Presper Eckert

William Shockley

Thomas J. Watson

Binary systems use a base of.

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Eight

Two

Ten

zero

Which of the following is not component of telecommunications?

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Sender

Office device

Medium

Receiver

Computer supported cooperative work is possible if.

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Groupware and telecommunications are available

Workers have close proximity

Workers live in the same time zone for interactivity to take place

None of these CSCW is a futuristic ideal that, for the most part, hasn't been acknowledged

The computer term MIDI is a name for.

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A military informational display system

A tool for creating many indiviual data interfaces

A macintosh tool use to search for file IDs

A standard interface for connecting computers and electronic musical instruments

Storage of 1 K means that it has following number of storage location.

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1000

964

1024

1032

In preparing a program, one should first.

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Plan the solution

Code the program

Document the problem

Define the problem

A software program designed to replicate the decision making process of a human expert is called an

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Knowledge base

Data base

Expert system

Artifical domain

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

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

The scope and true nature of the problem is determined during .

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The second phase

The preliminary investigation

The system development

The system analyst

What is the main difference between a local area network and wide area network .

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the distance over which they operate

LAN and WAN use different protocols

LAN is digital, WAN is analog

There is no difference

Many experts predict that internet will be replaced by.

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Prodigy

Milnet

UREN

Usenet

In which processing method any file record can be directly located and updated without the need to read preceding file records

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Batch

Serial

Random

sequential

A program that performs a useful task and at the same, time, carries out some secret destructive act, is known as a.

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Sabotage

Trojan horse

Worm

Logic bomb

Computer crime is likely to continue to grow unless.

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Electronic bulletin board operators are held responsible for information others post on their BBS.

Corporations and government agencies recognize the importance of security with their walls.

Law-enforcement agencies stop worrying about corporate insiders and, instead, increase their efforts to arrest teenage hackers.

We decide that freedom of the press does not apply to on-line magazines.

Present day of computers in research labs can.

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Recognize some forms of natural language input

Create artistic drawings

Learn

All of the above

Why would computer programs that teach reading sills be a good idea in adult literacy education?

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Most teachers refuse to work with adults

Adults adapt to computers more quickly than children to.

Illiterate adults know that the computer will not think they are stupid all of these

All of these

Which university built the first all electronic computer in late 1945?

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University of portland

University of California

University of Pennsylvania

University of Taxes

A spell checker that cheeks every word as it is typed and beeps or flashes each time a word is typed incorrectly is called an.

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Idea processor

Interactive spelling checker

Batch spelling checker

Believability index

A floppy disk is a __________ generation computer invention.

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1st

2nd

3rd

4th

The physical parts of a computer system are called.

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Software

Input

Out put

Hardware

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

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20

31

250

253

Secured waste, auditor cheeks, and applicant screening all aid

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data security

built in software protection

License protection

piracy detection

During E-time the ALU

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Examines the instruction

Enters the instruction

Executes the instruction

Elicits the instruction

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.

Provides direct access to any byte on the chip

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RAM

ROM

Cache RAM

Operating System

A connection for similar networks.

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Satellite

gateway

bridge

fax

In EBCDIC coded each character is denoted by.

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3 bits

4 bits

5 bits

8 bits

A type of computer that is faster because it has fewer instructions.

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Symbolic

RISC

ASCII-8

ROM Burner

Which of the following will be technologies in the home the the future.

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Fiber optics will allow cable companies to do narrowcasting like "the surfing channel"

CD-ROM will allow software companies to make interactive movies like surfing in your garage.

Virtual reality software will allow you to explore a surfer's home

All of the above

Before a sequential file can be updated the transactions must first be

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Numbred

Sorted

Update

labeled

PDP-5,PDP-9,IBM-360 series and IBM-370 series belong to the

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First generation computers

Second generation computers

Third generation computers

Fourth generation computers

What is a computer program?

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A type of peripheral

A set of instructions

A form of data

A type of processor

For calculating taxes, input to computer could be

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Numbers representing wages

Income

Tax tables

All of the above

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

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