Question # 1

The signals produced by a computer or terminal to be sent over phone lines must be converted to.

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modems

analog signals

digital signals

microwave

The most common storage devices in a computer system are.

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printers and monitors

disk drives and printer

disk drives and tape derives

tape drives and keyboards

A search engine is

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A software to search for engines

A device search for motor engine

A website that sells products and services

A website that look through databases for matching criteria

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

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

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auditing

outsourcing

preliminary investigation

prototype

IBM-1401, CDC-6600, IBM-7030 etc. belong to the.

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first generation computers

second generation computers

third generation computers

fourth generation computers

_________is input device.

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Keyboard

Touchpad

Microphone

All

The ability to return a changed disk record to its original location is called.

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magneto-optical

rotational delay

multimedia

updating in place

The different memory locations are identified by hexadecimal numbers called.

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ASCII code

bytes

BCD numbers

addresses

FDDI is a

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ring network

star network

mesh network

bus network

The Media Access Control sub layer resides in which layer

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Data link

Physical

Network

Transport

Centralized processing but with access from terminals is known as.

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DDP

a ring network

telecommuting

a teleprocessing system

The reason why computers have been designed to use binary numbers is.

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computer circuits have to handle 2 binary digits rather than 10

electronic components, by their very nature, operate in a binary mode

everything that can be done with a base of 10 can also be done in binary

all of the above

UNIX is an example of a(n)

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memory management

generic operating system

NOS

utility program

A parallel interface

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transmit one bit at a time

transmit one or more bits at a time using a single wire

transmit 8 or more bits at a time using as many wires

cannot be used to connect a printer to a PC

An example of peripheral equipment

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CPU

spreadsheet

printer

microcomputer

The FORTRAN equivalent of the mathematical expression ab/cd is.

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A * B / C * D

A.B / C.D

A * B / (C*D)

A*B/B*D

Real time computing is possible because of the following number of storage locations

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storage capability

high speed

accuracy

versatility

The entire computer is coordinated by

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The ALU

the accumulator

arithmetic operators

the control unit

How many pairs of computers can simultaneously communicate on Ethernet LAN?

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1

2

3

multiple

A bus line consists of.

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registers

accumulators

parallel data paths

machine cycles

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

A disk pack withing a sealed data module is a.

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Backup unit

Winchester

diskette

CD-ROM

Management of an operating system is handled by

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by interpreter

the supervisor program

utility program

the CPU

The heart of a digital computer is....

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control unit

memory unit

logic unit

visual display unit

The focus of the fifth generation is.

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connectivity

symbolic languages

silicon

memory chips

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

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hardware

documents

programs

CPUs

The name for the screen clarity is :

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Resolution

Discrete

Pixel

LCD

Which of the following is not a component of telecommunications?

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sender

office device

medium

receiver

According to Idempotent law , x + y = __________

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1

0

x

x . x

Memory is divided into many numerically addressed.

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logic

locations

codes

cells

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