Information Technology and Systems (MB231) : January 2004 Section - A

Question Paper
Information Technology & Systems (MB231) : January 2004
Section A : Basic Concepts (30 Marks)
• This section consists of questions with serial number 1 - 30.
• Answer all questions.
• Each question carries one mark.
1. Which of the following memories/storage devices has the fastest access speed?
a. RAM
b. ROM
c. Cache Memory
d. Hard Disk
e. Backup Tape.
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2. Entity-Relationship Model falls under which of the following Data Models?
a. Relational Model
b. Network Model
c. Hirerarchical Model
d. Object-Based Logical Model
e. Physical Model.
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3. Which of the following systems helps users to collaborate with each other to accomplish and manage
structural work tasks within a knowledge-based business process?
a. Electronic Meeting System
b. Workflow System
c. Teleconferencing
d. Data Conferencing
e. White Boarding.
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4. In which of the following analyses, an end user makes changes to variables or relationships among
them, and observes the resulting changes in the values of other variables?
a. What-if Analysis
b. Sensitivity Analysis
c. Goal-seeking Analysis
d. Optimization Analysis
e. Cost-benefit Analysis.
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5. User interfaces enable the users to perform which of the following functions?
I. Log on to the system by providing a user name and a password.
II. Trigger Application Programs.
III. Shut down the operations of the computer safely by following an orderly shutdown
procedure.
a. Only (I) above
b. Only (II) above
c. Only (III) above
d. Both (I) and (II) above
e. All (I), (II) and (III) above.
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6. Which of the following applications usually involves software packages that assist the software
developers to perform many of the activities of the systems development cycle?
a. Executive Information System
b. Computer-Aided Software Engineering
c. Office Information System
d. Multimedia Database
e. Hypertext Database.
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7. Which of the following is false with respect to strategic information systems planning?
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a. It is an important component of total organizational planning and focuses on the activities and
outputs of strategic business planning
b. Companies that do strategic information systems planning generally have four objectives in mind.
viz., business alignment, competitive advantage, resource management and technology architecture
c. Strategic information systems planning is technology driven, and not business driven
d. Investments in information technology must be aligned with the top management's strategic
agenda
e. The backing of the company's information systems policy committee and user groups is necessary
for the investments in information technology.
8. Which of the following is not a correct rule with respect to variables in C language?
a. Variables should begin with a letter
b. Variables are case sensitive
c. Variable names should not be keywords
d. Spaces are not allowed
e. Underscores are not allowed in defining variable names.
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9. Functional requirements of a system are developed in which of the following stages of Systems
Development Life Cycle (SDLC)?
a. Systems Investigation
b. Systems Analysis
c. Systems Design
d. Systems Implementation
e. Systems Maintenance.
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10. Which of the following layers of OSI Reference Model performs checksum Cyclic Redundancy Check
(CRC) to detect and correct errors in the transmission of data?
a. Transport Layer
b. Network Layer
c. Data Link Layer
d. Session Layer
e. Application Layer.
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11. Which of the following is a tool that is used for planning program logic and makes use of "imitation
code" that imitates real programming language?
a. Flowchart
b. Decision Table
c. Program Design Language
d. Compiler
e. Interpreter.
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12. The default initial value is zero for which of the following storage classes in C language?
a. Automatic
b. External
c. Static
d. Register
e. Both (b) and (c) above.
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13. Which of the following features of Netware operating system provides both users and network
administrators with a single integrated view of an entire network and the servers connected to it?
a. Redirector
b. Netware Core Protocol (NCP)
c. Netware Loadable Module (NLM)
d. Netware Directory Services (NDS)
e. None of the above.
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14. Which of the following statements is not true regarding paragraph formatting?
a. “Flush left” alignment aligns the text on the left and leaves the right margin ragged
b. “Centered” alignment centers everything
c. “Justified” alignment aligns both left and right margins
d. A “hanging indent” is indented on the first line
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e. Line spacing refers to the amount of spacing between lines.
15. Which of the following multi-processing systems has the least interprocessor distance?
a. Multicomputer
b. Data Flow Machine
c. Local Area Network
d. Metropolitan Area Network
e. Wide Area Network.
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16. Which of the following contains a collection of documents inter-linked by hyperlinks over the Internet?
a. Intranet
b. Local Area Network
c. Metropolitan Area Network
d. World Wide Web
e. Internet Paging.
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17. Design of easy-to-use web pages is an example of
a. Computer-Aided Design (CAD)
b. User Interface Design
c. Data Design
d. Process Design
e. Both (c) and (d) above.
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18. A payroll register is an example of which of the following reports?
a. Action Document
b. Information Document
c. Turnaround Document
d. Control Listing
e. Edit Report.
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19. Which of the following is an example of a telecommunication processor?
a. Modem
b. Micro Computer
c. Coaxial Cable
d. Fibre-optic Cable
e. Web browser.
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20. Which of the following systems requires the use of special sensing devices that measure physical
phenomena such as temperature, pressure etc.?
a. Computer-Aided Design
b. Computer-Aided Manufacturing
c. Manufacturing Resource Planning
d. Materials Requirement Planning
e. Process Control System.
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21. Which of the following is not correct regarding Central Office Exchange (Centrex)?
a. It is like a Private Branch Exchange (PBX)
b. The only difference between a PBX system and a Centrex is that the switching equipment is
located in one of the telephone company’s “central exchanges” instead of on the premises of a
business
c. It is typically used by large organizations such as universities and hospitals
d. Only voice transmissions take place over such an exchange
e. An advantage of a Centrex system is the availability of large-scale networking systems that enable
a business with several offices in the same metropolitan area.
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22. Which of the following statements is not true about a Decision Support System (DSS)?
a. It involves an iterative analytical modeling process
b. It makes use of specialized databases
c. It is a computer based information system and does not take into account the decision makers’
own insights and judgements
d. It helps managers to explore possible alternatives
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e. Focus and Decision-Web are examples of such a system.
23. The departmental head wants to have a report that lists all those items where actual expenditures
exceeded budget targets by at least 10 percent. This is an example of
a. External Report
b. Exception Report
c. Summary Report
d. Periodic Scheduled Report
e. Push Report.
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24. Which of the following is/are function(s) of telecommunication software packages?
I. Access Control.
II. Transmission Control.
III. Error Control.
IV. Security Management.
a. Only (I) above
b. Only (II) above
c. Both (I) and (II) above
d. Both (II) and (III) above
e. All (I), (II) (III) and (IV) above.
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25. The default mode of Vi editor of UNIX is
a. Input
b. Command
c. Ex
d. Output
e. None of the above.
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26. Which of the following security measures use human body parts such as retina or fingerprint to identify
a unique individual?
a. Input Controls
b. Processing Controls
c. Output Controls
d. Procedural Controls
e. Biometric Controls.
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27. User-defined functions are contained in which of the following sections of a C program?
a. Documentation Section
b. Definition Section
c. Global Declaration Section
d. Sub Program Section
e. Link Section.
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28. Which of the following is not correct regarding decision-making statements in C programming
language?
a. A condition is expressed using C’s relational operators
b. The relational operators compare two values to see whether they are equal to each other, not equal
or whether one is greater than the other
c. The keyword ‘if’ tells the compiler that it is a decision control instruction
d. The condition following ‘if’ should be enclosed within a pair of parentheses
e. The ‘else’ statement will be executed if the condition specified is true.
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29. Which of the following Internet services runs on the background of the user's computer, letting him/her
know when his friends or coworkers (only those who are registered) are online?
a. File Transfer Protocol
b. Internet Telephony
c. Internet Fax
d. Internet Paging
e. Usenet.
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30. Which of the following is not an advantage of a flowchart?
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a. As a flowchart is a pictorial representation of a program, it is easier for a programmer to explain
the logic of a program to another programmer or to his superior through a flowchart, rather than
the program itself
b. A macro flowchart that charts the mainline of the logic of a software system becomes a system
model that can be broken down into detailed parts for study and further analysis of the system
c. A flowchart acts as a roadmap for the programmers
d. A flowchart facilitates in easy debugging of the program
e. There are specific standards for determining the amount of detail that should be included in a
flowchart.
END OF SECTION A