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Operating System - 2

Description: Online Test papers for Unix, Linux, OS, BSD, Linux Operating System, Functions of Operating System, Operating System study material to prepare for M.Sc-IT, MCA Entrance, BCA, B.Sc-IT
Number of Questions: 25
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Tags: Operating System OS Computer Operating Systems Types of Operating System Linux Operating System Operating System Concepts Functions of Operating System Microsoft Windows Mac OS X MCA Entrance B.Sc-IT M.Sc-IT BCA
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The longest method of conversion is ________ method.

  1. direct

  2. parallel

  3. pilot

  4. phased


Correct Option: D

On a feasibility committee, the department representatives serve as

  1. ready source of information

  2. liaison to their departments

  3. direct users of the new system

  4. all of the above


Correct Option: A

A channel for communication across boundaries between two or more sub-systems is known as

  1. interface

  2. actigram

  3. walk through

  4. data path


Correct Option: A

The system conversion technique of totally removing the existing system and immediately implementing the new system is called

  1. pilot conversion

  2. crash conversion

  3. phased conversion

  4. parallel conversion


Correct Option: B

'Structured design' produced computer programs that are

  1. easily understood

  2. easily maintained

  3. tested in a bottom up fashion

  4. both (1) and (2)


Correct Option: D

The consideration(s) evaluated by management when planning to convert to a computer system, is/are

  1. Available software

  2. Vendor maintenance

  3. CPU's size and speed

  4. All of the above


Correct Option: D

Which of the following is not a characteristic of a system?

  1. It operates for some purpose.

  2. It has interacting components.

  3. It operates within a boundary.

  4. It has homogeneous components.


Correct Option: D

Which of the following is not the characteristic of good test data?

  1. Users do not participate at this preliminary stage.

  2. It should be comprehensive.

  3. Every statement should be executed.

  4. Expected output from the modules execution should be determined manually.


Correct Option: A

Structure chart is

  1. a document of what has to be accomplished

  2. a statement of information processing requirement

  3. a hierarchical partitioning of the program

  4. none of the above


Correct Option: C

Which of the following is the medium for transporting the output of a system to the input of another system?

  1. Feedback

  2. Boundary

  3. Interface

  4. Counter measure


Correct Option: D

The black box concept

  1. assumes that the black box is independent

  2. assumes that inputs and outputs remain stable

  3. is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box

  4. all of the above are true


Correct Option: D

The black-box concept is based on the assumption(s) that

  1. the supersystem is stable

  2. black boxes are dependent on environments

  3. the relationship between inputs and outputs is stable

  4. all of the above


Correct Option: C

In what manner are coding and testing done?

  1. Top-down

  2. Bottom-up

  3. Cross-sectional

  4. Adhoc


Correct Option: D

Which of the following is generally not contained in a feasibility document?

  1. Problem description

  2. Project name

  3. Feasible alternative

  4. Dataflow diagram


Correct Option: D

Which of the following tools is/are not used for process description?

  1. Decision table

  2. Pseudocodes

  3. Structured table

  4. Data dictionaries


Correct Option: D
Explanation:

Option (4) is correct.

The process of arriving at the most detailed level of data flow diagrams is called

  1. transform description

  2. functional primitive

  3. data flow

  4. interface


Correct Option: B

Which of the following tools is/are used in modeling a new system?

  1. Data dictionary

  2. Decision table

  3. Data flow diagram

  4. All of the above


Correct Option: A

Which of the following are included in the packaged design?

  1. Program flowcharts

  2. Report layouts

  3. System configuration and module descriptions

  4. All of the above


Correct Option: D

In what phase does procedure development occur?

  1. Conversion

  2. Maintenance

  3. System building

  4. Structured design


Correct Option: B

Which of the following is used when a company goes outside its organization to develop a new system?

  1. Data flow diagram

  2. Request for proposal

  3. Project directory

  4. Systems flowchart


Correct Option: B

The document listing all procedures and regulations that generally govern an organization is the

  1. organization manual

  2. personal policy book

  3. administrative policy manual

  4. procedure log


Correct Option: A

On a systems flowchart, the online manual keying of input data is identified by using

  1. online storage symbol

  2. keying operational symbol

  3. manual operational symbol

  4. online keyboard symbol


Correct Option: D

Which of the following represents processor activities, methods and procedures in a data flow diagram?

  1. Datagram

  2. Actigram

  3. Feed back

  4. None of the above


Correct Option: B

Systems investigation may result from

  1. analysis investigation

  2. scheduled systems review

  3. manager's formal request

  4. all of the above


Correct Option: D

A statement by statement description of a procedure is given detailed in a

  1. written narrative

  2. procedure log

  3. record layout

  4. system's flowchart


Correct Option: A
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