Computer Science - System Analysis and Design MCQs Part 3

1. An example of a hierarchical data structure is

A.
array

B.
Link list

C.
tree

D.
ring

E.
None of the above

 Answer Option C

2. Pointers are useful in

A.
Locating a particular sector of a magnetic disk

B.
Pointing mistakes in input data

C.
Traversing a linked list

D.
All of the above

E.
None of the above

 Answer Option C

3. On-line data entry is most suitable in the case of

A.
updating payroll master

B.
entering monthly journal entries

C.
Processing payment of cheque in a bank

D.
All of the above

E.
None of the above

 Answer Option C

4. A Pseudocode is

A.
a machine - level code

B.
a random number

C.
a flow chart

D.
Structured English to communicate the logic of a program

E.
None of the above

 Answer Option D

5. Which of the following file types has the least life

A.
Master file

B.
Program file

C.
Transaction file

D.
Work file

E.
None of the above

 Answer Option D

6. A feasibility study

A. includes a statement of the problems

B. considers a single solutions

C. both (a) and (b)

D. a list of alternative solution considered

E. None of the above

 Answer Option A

7. A word processor designed for programmers is called

A. a formatter

B. a compiler

C. an editor

D. a debugger

E. None of the above

 Answer Option C

8. A statement - by - statement description of a procedure is detailed in a;

A. written narrative

B. procedure's log

C. systems flowchart

D. record layout

E. None of the above

 Answer Option A

9. Cost-Benefit analysis

A. evaluates the tangible and non-tangible factors

B. compares the cost, with the benefits, of introducing a computer-based system

C. estimates the hardware and software costs

D. All of the above

E. None of the above

 Answer Option D

10. The term used to refer to the checking of outputs of a computer, with the corresponding input documents, is called

A. auditing around the computer

B. auditing through the computer

C. process control

D. beta-test

E. None of the above

 Answer Option A

11. Which of the following is not a requirement of structured design?

A. It should be made up of a hierarchy of modules

B. It should use many GOTO statements

C. The code should be executed in a top-to-bottom fashion within each module

D. Each module should be as independent as possible of all other modules, except its parent

E. None of the above

 Answer Option B

12. A hierarchical chart that divides a large program into modules, in which greater details is designed in successively lower programming levels, is called a

A. Scheme

B. sub-schema

C. Structure

D. All of the above

E. None of the above

 Answer Option C

13. Which of the following is (are) the characteristic(s) of a system?

A. organization

B. Interaction

C. Interdependence

D. All of the above

E. None of the above

 Answer Option D

14. The term Parallel Run refers to

A. the same job run on two different computer to test their speeds

B. the processing of two different jobs initiated from two terminals.

C. the concurrent operation of an existing system and a new system

D. All of the above

E. None of the above

 Answer Option C

15. The "big picture" diagram of a system is the

A. block diagram

B. logic diagram

C. system flowchart

D. program flowchart

E. None of the above

 Answer Option C

16. Which of the following is the most critical requirement of a Passenger Reservation System?

A. ease of programming

B. response time

C. graphical user Interface

D. printing of tickets

E. None of the above

 Answer Option B

17. Announcement of MIS implementation is made by

A. operational level managers

B. tactical level managers

C. the president

D. All of the above

E. None of the above

 Answer Option D

18. A problem's _____ will answer the question, "What does the user want to see either printed or displayed on the screen?"

A. Input

B. Output

C. Processing

D. Purpose

E. None of the above

 Answer Option B

19. A graphic representation of an information system is called

A. flow chart

B. pictogram

C. data flow diagram

D. histogram

E. None of the above

 Answer Option C

20. The outstanding Invoice file should be stared on a Pardon Access Storage Device if

A. invoice data entry is on-line.

B. payment recording is done in a batch rode

C. inquires concerning payable are to be answered on-line

D. last record points to the first record

E. None of the above

 Answer Option C

21. In Decision trees

A. nodes represent the conditions, with the right side of tree listing the actions to be taken

B. the root is drawn on the left and is the starting point on the decision sequence.

C. the branch depends on the condition and decisions to made

D. All of the above

E. None of the above

 Answer Option D

22. Which of the following is not a requirement of structured design?

A. It should use many GO TO statements

B. The code should be executed in a top-to-bottom fashion within each module

C. It should be made up of a hierarchy of modules

D. Each module should be as independent as possible of all other modules, except its parent

E. None of the above

 Answer Option A

23. The Data flow diagram (DFD) shows;

A. the flow of data

B. the processes

C. the areas where they are stored.

D. All of the above

E. None of the above

 Answer Option D

24. In data-flow diagrams, an originator or receiver of the data is usually designated by

A. a circle

B. an arrow

C. a square box

D. a rectangle

 Answer Option C

25. A data flow diagram is

A. the modern version of flowchart

B. mainly used at the systems specification stage.

C. the primary output of the systems design phase

D. All of the above

E. None of the above

 Answer Option B

26. Environment in systems parlance refers to

A. a sub-system

B. the boundary

C. a part outside the boundaries

D. All of the above

E. None of the above

 Answer Option C

27. When desk-checking an algorithm, you should set up a table that contains _____.

A. One column for each input item

B. One column for each output item

C. One column for each processing item

D. Both a and b

E. a, b, and c

 Answer Option E

28. Data dictionary contains detail of

A. data structures

B. data flows

C. data stores

D. All of the above

E. None of the above

 Answer Option D

29. Which of the following statements is true

A. as parallel run involves two different terminals accessing a common database

B. computers are essential for systems Analysis

C. Flow of information in an organization is always vertical

D. alpha testing is the verification process a system goes through for the first time

E. None of the above

 Answer Option D

30. A self check digit is useful in detecting

A. transcription errors only

B. transposition errors only

C. Random errors only

D. All of the above

E. None of the above

 Answer Option D

31. Advantages of Relational Database Management systems are

A. Flexibility, of relating different logical files

B. Security controls can be more easily implemented.

C. Data independence since it allows the database to grow by adding new attributes and relations.

D. All of the above

E. None of the above

 Answer Option D

32. A turnkey package includes

A. software

B. hardware

C. training

D. All of the above

E. None of the above

 Answer Option D

33. A square symbols

A. defines a source or destination of system data

B. identifies data flow

C. represents a process that transforms incoming data flow(s) into outgoing data flows

D. is a data store-data at rest, or a temporary repository of data

E. None of the above

 Answer Option A

34. A pseudocode is

A. a machine code

B. a computer generated random number

C. a protocol used in data communication

D. an easy way to communicate the logic of a program, in English like statements

E. None of the above

 Answer Option D

35. During system study, data can be collected through

A. questionnaires

B. interviews

C. on-site observations

D. All of the above

E. None of the above

 Answer Option D

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

A. datagram

B. actigram

C. feed back

D. flow chart

E. None of the above

 Answer Option C

37. Conversion method in which users, being used to an old system, continue to use the old system, along with the new system, is

A. Multiprocessing

B. Multitasking

C. Parallel run

D. All of the above

E. None of the above

 Answer Option C

38. The person communicating with the manager to identify information needs is the

A. executive vice-president

B. vice- president of information system

C. programmer

D. system analyst

E. None of the above

 Answer Option D

39. The systems have been classified in different ways

A. physical or abstract

B. open or closed

C. man-made information system

D. All of the above

 Answer Option D

40. Which of the following' is NOT a characteristic of good test data?

A. should be comprehensive

B. users do not participate at this preliminary stage

C. every statement should be executed

D. expected output from the module's execution should be determined manually

E. None of the above

 Answer Option B

41. A structure chart is

A. a document of what has to be accomplished

B. a hierarchical partitioning of the program

C. a statement of information processing requirements

D. All of the above

E. None of the above

 Answer Option B

42. Which of the following is a function of the process step of data processing?

A. index

B. update

C. protect

D. retrieval

E. None of the above

 Answer Option D

43. The communication problem involves the

A. analyst and the programmer

B. manager and the analyst

C. programmer and the computer

D. operate and the computer

E. None of the above

 Answer Option B

44. The Turnaround is

A. the elapsed time between the receipt of the input and the availability of the output

B. a group of related fields

C. the key information of programming

D. a program statement that violates one or more rules of the language in which it is written

E. None of the above

 Answer Option A

45. Procedure development occurs within the

A. structured design phase

B. conversion phase

C. system building phase

D. maintenance

E. None of the above

 Answer Option C

46. To which phase of SDLC, is file conversion related?

A. System Implementation

B. System analysis

C. System development

D. System design

E. None of the above

 Answer Option A

47. You record the algorithm in the _____ column of the IPO chart.

A. Input

B. Output

C. Processing

D. Purpose

E. None of the above

 Answer Option C

48. Which of the following is done in order a data in phase 1 of the system development life cycle?

A. reviewing policies and procedures

B. conducting interviews

C. using questionnaires to conduct surveys.

D. All of the above

E. None of the above

 Answer Option D

49. System Specifications are used to

A. describe system flows

B. get an accurate picture of the system

C. avoids ambiguity

D. Ail of the above

E. None of the above

 Answer Option D

50. Which of the following statements is not true

A. A structured chart is a sequential representation of program design

B. the Real-Time system is a particular case of a on-line-system

C. Batch totals are not incorporated while designing real-time applications

D. 4GLs are used for application proto typing

E. None of the above

 Answer Option A