Question # 1

Polymorphism can be described as

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Hiding many different implementations behind one interface

Inheritance

Generalization

Composition

The primary advantage of key to tape data entry system is.

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A large percentage of editing can be performed at the time of data entry

Key verification is easily performed

The tape is reusable

Keying errors can be detected as they occur

What does the disk drive of a computer do.

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Rotate the disk

Read the disk

Load a program from the disk into the memory

Both B and C

An output device that uses words or messages recorded on a magnetic medium to produce audio response is.

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Magnetic tape

Voice response unit

Voice recognition unit

Voice band

An entity class is a class that

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Does not appear in the class diagram

Relates to the class diagram

exists in the real world and in the class diagram

Exists in the data world but not int he real model

Which of the following mode of fopen () function opens a file only for writing if a file with that name does not exist, attempts to create a new file, If the file exist , place the file pointer at the end of the file after all other data.

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W

W+

A

A+

The digital computer was developed primarnanity in.

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USSR

JAPAN

USA

UK

A______ is a condition that can result in a loss.

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Test

Risk

Method

Gain

Which one of the following is not a form of Decision Table.

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Limited entry

Extended entry

Mixed entry

Double entry

Which of the following is likely to benefit most from the use of test tools providing test capture and replay facilities.

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Regression testing

Integration testing

system testing

User acceptance testing

TP monitor done tis responsibilities with the help of which protocol.

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TCP /IP

Two phase commit protocol

Ip

IPX

A search value can be an exact value or it can be.

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Logical operator

Relationship

Wild card character

Comparison operation

What is property of UNIX.

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Multi user

Multi processes

Multi tasking

All of above

The basic graphical interactions are.

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Pointing

Positioning

Both a and b

None

To sort records in a table.

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Open table click on the field on which the sorting is to be done then click sort button on data base toolbar.

Open table click sort button on data base tool bar, choose field based on which to sort click ok

Click the field heading to sort it ascending or descending

All of above

How many ports a computer may have

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256

126

65535

1024

Which statement is valid about magnetic tape.

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It is a plastic ribbon

It is coated on both sides with iron oxide

It can be erased and reused

All of above

Charts tips can

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Show the formatting of a data label

Show the name of a data series

Show the value of data point

B and C

The electron beam in DUST is designed to draw directly to.

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Phosphor

Storage mesh

Glass

None

Which of the following are the two main components of the CPU.

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Control unit and registers

Registers and main memory

Control unit and ALU

ALU and bus

Which of the following represents a person or place of thing about which some information is gathered.

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Entity

Attribute

Data store

Data flow

A compared to diskettes the hard disks are.

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More expensive

More portable

Less rigid

Slowly accessed

Period of fifth generation

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1974 -1978

1979-1980

1981-1985

1995 till date

Which one shows the name of the operating system.

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U name -n

Uname -I

U name - m

U name -o

Which IEEE stand is developed for CSMA/CD

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IEEE 802.1

IEEE 802.2

IEEE 803.3

IEEE 802.4

The data dictionary in SDLC contains description of.

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DFD elements

E-R Diagram

Use case

Class diagram

INT stand for

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Input

Interrupt

Both a and b

None

A publics key encryption system.

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Allows only the correct sender to decode the data

Allows only the correct receiver to decode the data

Allows any one to decode the data

None of above

Merge cells option can be applied from.

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Format cells dialog box alignment tab.

Formatting toolbar

Both of above

None of above

The brain of any computer system is

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ALU

Memory

CPU

Control unit

When Integrating MS-Word and Excel, Word in usually the

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Sever

Source

Client

None

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