Question # 1

The information that is to be transferred from one location to another is called:

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Signals

Data

Sender

Message

Which is not a professional computer job?

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system analyst

programmer

user

data entry operator

Pick out the wrong definition

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Access time - time needed to access the output

EDP- acronym for Electronic Data Processing

COBOL - a language used for business data processing

Control unit - heart of a computer

Boolean expression for NOR gate with two inputs x and y can be written as.

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x + y__

x. y

x + y

The fist Apple computer was built in

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a garage

a warehouse

an apartment

a factory

A network type in which all computers have equal status.

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communication links

peer to peer

WAN

direct connect

The number 10000 would appear just immediately after.

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FFFF (hex)

1111 (binary)

7777 (octal)

all of the above

Real time system

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are effective in process control

process transactions by means of direct-access devices

process data in manner similar to batch-access devices

are not possible to achieve control

A computer has very high speed ,accuracy,and reliability ,Its intelligent quotient could be of the order of

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0

10

15

20

The most powerful computers are

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Supercomputer

mainframe computers

super minis

super micros

The act of reading new data into a register

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erases the previous contents of the register

is usually not possible

is possible only when the register is an accumulator

is possible only when the register is an accumulator or instruction register

Following devices are used in simplex mode

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Radio

Television

a , b

Multiplexers

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

Which of the following cable is comprised of two separate insulated copper wires that are twisted?

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Fiber optics

Twisted pair wire

coax

Submarine

Functions can perform by using mouse

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Double-click

Drag and Drop

Right-click

All of the above

The heart of a digital computer is.

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control unit

memory unit

logic unit

visual display unit

Computer is a combination of:

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Software

Hardware

Both A and B

None

Programming and testing are elements of.

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system analysis

system development

implementation

system design

Which one the common protocols is used for E-mail?

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FTP

PPP

SMTP

POP

In the computer world, the word digital means information that is in.

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discrete units

units that can be counted

continuous , smooth form

a and b

The most common protocol used in WAN is

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Ethernet

X.25

IEEE

ISO

A magnetized spot represents.

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cpi

MB

0 bit

1 bit

The phase following detail design is,

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preliminary investigation

implementation

system development

system conversion

A one color screen on a black background is called

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monochrome

addressable

blank

lcd

According to Boolean algebra x + 1 = ______________

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0

1

x

A digital computer system consists of a central processing unit (CPU) interfaced with.

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input devices

auxilary storage

output devices

all of the above

The unit that transforms data into information is the.

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CPU

ROM

DVD

OCR

A digital computer system consists of a central processing unit interfaced with

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input devices

auxiliary storage

output devices

all of above

Hellerith's Tabulating Machine company eventually became.

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IBM

AT & T

Apple

General Electric

According to Idempotent law , x + y = __________

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1

0

x

x . x

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