Question # 1

CD-ROM has the same format as a(n).

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backup tape

DAT

diskette

audio compact disk

Assigning more sectors to outer disk tracks is called.

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zone recording

randomizing

data transfer

sectoring

In preparing a program, desk-checking and translation are example of

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coding

planning

testing

documentating

A conceptual error in a program is a/an

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Logical error

Execution error

Syntactical error

None of the above

Computer follows a simple rule called GIGO, GIGO stand for

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good input, good output

great instructions, great output

garbage in, garbage out

gated input, gated output

Diodes are used in analog computer circuit as

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phase shifter

rectifier

binary logic

limiter

An analog computer can be worked directly with

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magnetic tapes

punched card

magnetic disk

none of the above

In multiprogramming, two or more programs can be executed

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by optimizing compiler

with two computers

simultaneously

concurrently

Which of the following gate is two level logic gate.

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OR gate

AND gate

EXCLUSIVE OR gate

NAND gate

A computer is capable of performing almost any task, provided that it can be.

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coded

memorized

analyzed

reduced to a series of logical steps

The unit that transforms data into information is the.

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CPU

ROM

DVD

OCR

Raw data is processed by the computer into.

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number sheets

updates

paragraphs

information

A person who gains illegal access to a computer system.

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hacker

worm

software

zapper

_________ is an autio input device:

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Digital camera

Microphone

Video camera

Speaker

Boolean algebra use which of the following to represent arithmetic quantities.

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decimal digits

exponents

binary bits

fractions

A bus line consists of.

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registers

accumulators

parallel data paths

machine cycles

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

Which of the following operations are used by Boolean algebra.?

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Boolean addition

Boolean multiplication

Boolean complementation

All of the above

The major operational problem of the early first generation computers was

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inaccurate results

poor reliability

delayed results

limited capabilities

What layer of the OSI model does data compression?

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Network

Data Link

Presentation

Physical

Shift of register by one bit to left in binary code is equivalent to

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addition of 2

subtraction of 2

division by 2

multiplication by 2

Pick up the wrong statement in the analogy of mechanical and electrical devices.

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resistance is analog of damping

inductance is analog of mass

capacitance is analog of spring

charge is analog of displacement

Popular application of flip-flop are.

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counters

shift registers

transfer registers

all of the above

After starting the solution to a problem is pesudocode, the next step would be

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testing the program

coding the program

documenting the program

translating the program

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

The mechanism for reading or writing data in a disk is called

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track

rorational delay

access arm

seek time

The analog computer deals directly with

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number of pulses

measured values of continuous physical magnitudes

signal in the form of 0-1

signal in discrete values from 0-9

Programs written to cause computers to function in a desired way are called.

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hardware

instruction

software

algorithm

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

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Simplex

Half-duplex

Full-deplex

None

A physical system can be modeled by a set of.

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Boolean equations

logic equations

differential equations

linear algebraic equations

Computers that are used to control temperature and humidity in buildings are considered to be.

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Software

special-purpose

non-programmable

analytical engines

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