Question # 1

Computer performs following operation on data.

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Storage/retrieval

Calculation

Logic/comparison

All of the above

In a data flow diagram, a destination for data outside the system is called a

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Vector

File

Sink

Source

When a program becomes a part of the silicon chip it is called.

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Software

Firmware

embedded

Hardware

Microwave transmission, coaxial cables, and fiber optics are examples of.

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modems

communication links

gateways

ring network

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 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

Step - by-step instructions that run the computer are.

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Hardware

Documents

Program

CPU

You're ready to telecommunicate with your PC to what kinds of systems can you connect?

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Time sharing systems

Electronic bulletin boards

Electronic mail services

All of tha above

Data communication requires only a:

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Sender

Receiver

Transmission medium

All of above

The earliest file management systems that required users to accumulate transaction and feed them into computers in large groups used.

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Transaction processing

Interactive processing

Decentralized processing

Batch processing

Which of the following is not true about object oriented graphics?

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Object can be rearranged and moved around

Multiple objects can be grouped together

Printout resolution is determined by the printer, not by the software

All of these statements are true

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

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Booting

Downloading

Uploading

Everypting

A disabled student uses a computer and modem to earn a college degree without leaving home. This is an example of

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Visualization

Distance learning

CAD/CAM

Virtual reality

What layer of OSI model does data compression?

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Network

Presentation

Data link

Physical

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

What are the two main approaches to artificial intelligence?

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IBM-PC /Macintosh

Modeling human behavior/general intelligence

Functional programming/object-oriented programming

PC/Mainframe.

Specifying the kind of input, processing, and output required for a program occurs when

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Planning the solution

Flowcharting the problem

Coding the problem

Defining the problem

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

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7

12

13

14

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

The general purpose processor on chip is otherwise known as the

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ENIAC

Microcomputer

Pocket calculator

Microprocessor

The operation of arithmetic logic unit is directed by.

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the ALU Itself

Program

Control Unit

Memory unit

Mainframe computers are capable of communicating with several users simultaneously by.

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Using a terminal

Using a supercomputer

Using a workstation

Time sharing

A hardware register used to hold the results or partial results of arithmetic and logical operations is called.

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Accumulator

Instruction Register

Status Register

Stack pointer

The following command duplicates the contents of one disk another.

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BACKUP

COPY

DELL

DISKCOPY

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

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First generation

Second generation

Third generation

Forth generation

125₈(octal) in decimal equivalent is equal to.

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85₁₀

83₁₀

84₁₀

86₁₀

Historically, the first computer were used or.

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Text processing.

Data storage,

Simulation and modeling

Arithmetic calculations.

In C language , how many types of loop statements are available.

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2

3

6

9

Which is not associated with the main memory of computer.

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Semiconductor memory

Core memroy

Read only memory

Sequential memory

Copyright are issued by the Federal Government to protect.

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The pricing of software

Intellectual property

Textbooks only

The author's identity

Desktop and personal computers are other names of

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micro computers

Mini computers

Main frame computer

Peripheral equipment

Which of the following components is the "brain" of the computer

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Memory

CPU

Input

Output

The first commercial computer, delivered in 1951, is called.

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Mark -1

Analytical machine

Atanasoff Berry Computer

UNIACI

the abacus emerged about__________ years ago in Asia Minor.

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4,000

5,000

6,000

7,000

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

Centralized processing but with access from terminals is known as.

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DDP

A ring network

Telecommuting

A teleprocessing system.

The branch of computing that attempts to make the computer exhibit imagination and insight is called

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Artificial intelligence

Multimedia

Hypermedia

Computer graphics

To be computer literate, it is not necessary for you to know.

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How to program a computer

How to use a computer

What computer can and can't do

How to repair a computer

In the field of computer science a computer architecture specialist.

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Designs buildings on the computer

Deals with the way hardware and software work together

Deals with the way a construction worker and a contractor work together

There's no such thing as a computer architecture specialist

Text information in a cell.

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Label

formula

value

cell address

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

Turning an entire project over to an outside firm for development is called.

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Auditing

outsourcing

Preliminary investigation

Prototype

The following registers, respectively are used for selecting an instruction , reading into the register, and interpreting.

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Sequence, instruction, decoder

Accumulator, storage, address

Decoder, address, instruction

Accumulator, address, decoder

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

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Syntax errors

Programming errors

Translator errors

Logic errors

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

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Low level

High level

Middle level

None of these

97₁₀(decimal) in octal number system is equivalent to.

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136₈

140₈

139₈

141₈

Software that translates assembly language into machine language is

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A binary translator

A compiler

An assembler

A link loader

A virus that replicates itself is called is

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Bug

Worm

Viccine

Bomb

What is meant by logical errors in a computer program?

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these are errors that arise due to improper use of the formula or wrong use of the symbols or data.

These are errors that arise due to the wrong use of the programming language, such as incorrect pronunciations or misuse of the terms

These are errors that arise due to the limitation of the computer.

NONE OF THE ABVOE STATEMENTS.

A dot or symbol on a line graph.

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Label

Variable

axis

data point

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

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File

Edit

View

Format

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

A systems analyst would observe the flow of data and interrelations of people with in an organization during.

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Detail design

Preliminary design

System analysis

A system survey

A memory chip has 1 K bytes of memory. What is the highest available memory address in the octal system.

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1023

1777

7777

None of these

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

IBM's System/360 family of computers was introduced during the .

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1950s

Third generation

Second generation

1990s

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

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Symbolic

RISC

ASCII-8

ROM Burner

During E-time the ALU

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Examines the instruction

Enters the instruction

Executes the instruction

Elicits the instruction

A bootstrap is.

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A memory device

A device to support the computer.

A small initialization program to start up a computer

An error correction technique.

The feature that keeps track of the right margin is.

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Find and place

Ragged right

Word wrap

Right justify

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

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

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Numbred

Sorted

Update

labeled

Another name for an antivirus.

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Vaccine

Worm

Trojan horse

DES

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

DOS is an abbreviation for.

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Disk operating signal

Disk operating system

Digital Operating system

Distributed operating signals

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.

A general trend in computer languages is an evolution towards.

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Machine language

C

Natural language

Assimbly language

The focus of the fifth generation is .

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Connectivity

Symbolic languages

Silicon

Memory chips

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

Historically, the first computer were use for.

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Text processing

Data storage

Simulation and modeling

Arithmetic calculations

Word processing electronic filling and electronic mail are part of .

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Office automation

Electronic typewriter

Electronic industry

None of the above