Question # 1

During E-time the ALU.

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examines the instruction

enters the instruction

executes the instruction

elicits the instruction

Which of the following is associated with second generation computers

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transistors

high level procedural language

magnetic core memory

all of above

A graph prepared by a computer.

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Is its output

Is the piece of information to user

Is a hard copy

All of the above

In Boolean algebra A.0 is

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0

1

A+0

A+1

In______________communication modes the data communication can take place in only one direction

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Simplex

Half-duplex

Full-deplex

None

The most commonly used output devices in a computer system are

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printers and monitors

disk drives and printers

disk drive and tape drives

tape drive and keyboards

The _______ is the physical path over which a message travels.

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Protocol

Medium

Single

All

Pick out the wrong statement about computers.

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it is a logical machine

it can access any piece of information that it has in store

it is devoid of emotion, has no feelings or instincts

it approaches its information is unrestricted manner

An electronic device that accepts. process data and produces information is called

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input devices

computer

output devices

operating system

The focus of the fifth generation is.

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connectivity

symbolic languages

silicon

memory chips

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A + B + C + D

A BC D

A + B + C + D

The most powerful computers are

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Supercomputer

mainframe computers

super minis

super micros

The CCITT protocol is the same as

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x.25

Y.25

C25

d25

Abother word for printer

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monochrome

microfiche `

pixel

cursos

The disadvantage of analog computer over the digital computer lies in its.

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set up being closely resembling the physical system

having parallel structure and low cost

being readily tied up with a physically system without using expensive inter phase

need for scaling, limited number of units, limited accuracy

A set of instructions in a computer is:

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Software

Program

Hardware

Both A and B

Binary coded decimal number express each decimal digit as

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binary degits

nibble

word

byte

Is Secondary storage device

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CD-ROM

ROM

Cache

RAM

IBM stands for

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International Business Machine

International Binary Machine

Internal Business Machine

International Business Microsoft

An analog computer can be worked directly with.

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magnetic tapes

punched card

magnetic disk

none of the above

Programming and testing are elements of.

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system analysis

system development

implementation

system design

___________coding scheme is used by IBM

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Unicode

ASCII

EBCDIC

BCD

Project 802 defines standards for which layers of the OSI model?

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Application and Presentation layers

Physical an Date Link layers

Transport and Network layers

Network and Data Link layers

The highest layer of OSI model is

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Physical layer

Network layer

Presentation layer

Application layer

Types of Flat-Panel Display are

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LCD

EL

Gas-plasma

All of the above

In developing a program, documentation should be done

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as the last step

throughout the process

only to explain errors

only during the design phase

The digits used for hexadecimal number system are.

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A through Z

1 through 16

0 through 15

0 through 9 and A through F

In EBCDIC (extended binary coded decimal interchange code) each character is denoted by

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3 bits

4 bits

5 bits

8 bits

Another name for an operating environment is

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page

layer

shell

supervisor

A letter, number, or a special character is represented by a.

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bit

kilobyte

byte

megabyte

Data items are generally classified into which type of codes

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Numeric

Alphanumeric

Character

All of the above

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