Computer Science - System Analysis and Design MCQs Part 5
1. The longest method of conversion is
A.
direct
direct
B.
parallel
parallel
C.
phased
phased
D.
pilot
pilot
E.
None of the above
None of the above
Answer Option A
2. Changes made periodically to a system, after its implementation, is known as system
A.
analysis
analysis
B.
design
design
C.
development
development
D.
maintenance
maintenance
E.
none of the above
none of the above
Answer Option D
3. The first step in systems Development Life Cycle is
A.
database design
database design
B.
system design
system design
C.
preliminary investigation and analysis
preliminary investigation and analysis
D.
graphical user interface
graphical user interface
E.
None of the above
None of the above
Answer Option C
4. Nassi - schneiderman charts
A.
are being replaced by flowcharts
are being replaced by flowcharts
B.
often describe over lapping control structures
often describe over lapping control structures
C.
are made up of boxes within boxes
are made up of boxes within boxes
D.
both (a) and (c)
both (a) and (c)
E.
None of the above
None of the above
Answer Option C
5. Which of the following tools is not used in modeling the new system?
A.
decision tables
decision tables
B.
data dictionary
data dictionary
C.
data-flow diagrams
data-flow diagrams
D.
All of the above
All of the above
E.
None of the above
None of the above
Answer Option D
6. A design that consists of a hierarchy of modules; each module has a single entry and a single exit subroutine, is known as
A. hierarchy structure
B. top-down design
C. Tuple
D. Turnaround
E. None of the above
Answer Option B
7. Rapid prototyping proves the quality of a design by
A. having a program simulate the real system
B. having the system analyst present an overview of the design to users, programmers, and consultants
C. having a data flow diagram
D. both (a) and (b)
E. None of the above
Answer Option A
8. The black-box concept:
A. is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.
B. assumes that the black box is independent
C. assumes that inputs and outputs will remain stable
D. All of the above
E. None of the above
Answer Option E
9. A system investigation may result from
A. an analysis investigation
B. a scheduled systems reviewed
C. a manager's formal request
D. All of the above
E. None of the above
Answer Option D
10. Graphic representation of the control logic of processing functions or modules representing a system, is known as:
A. Structured analysis
B. Structured chart
C. Structured English
D. System Flow chart
E. None of the above
Answer Option B
11. Which of the following is an integrated collection of data with minimum redundancy, so that different applications can use the required data.
A. records
B. file
C. DBMS
D. schema
E. None of the above
Answer Option C
12. Where one has to process all the data records in a file, the best tile organization is
A. Indexed
B. sequential
C. direct access
D. random access
E. None of the above
Answer Option B
13. An open rectangle
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 D
14. The feasibilities studied in preliminary investigation is (are):
A. technical feasibility
B. economic feasibility
C. operational feasibility
D. All of the above
E. None of the above
Answer Option D
15. Branch mark programs are best characterized as
A. Simulator programs
B. Hallmarking
C. Actual system programs
D. Vendor software for applications
E. None of the above
Answer Option B
16. Conversion method in which users, being used to an old system, continue to use the old system, alongside the new system, is
A. multi processing
B. multitasking
C. parallel run
D. All of the above
E. None of the above
Answer Option C
17. A programmer reviews the accuracy of an algorithm by _____ it.
A. Analyzing
B. Coding
C. Desk-checking
D. Planning
E. None of the above
Answer Option C
18. Sequential organization
A. means storing records in contiguous blocks according to a key.
B. Stores records sequentially but uses an index to locate records
C. uses an index for each key type
D. has records placed randomly throughout the file
E. None of the above
Answer Option A
19. Which of the following systems implementation approaches should be used if you want to run the old system and the new system at the same time for a specified period?
A. direct
B. pilot
C. phased
D. parallel
E. None of the above
Answer Option D
20. A _____ is software that is designed for drawing diagrams of information systems, writing process specifications, and maintaining data dictionaries.
A. System Development Life Cycle
B. CASE tool
C. Phased Conversion
D. Success factors
E. Move of the above.
Answer Option B
21. On the feasibility committee, department representatives serve as
A. ready source of information
B. liason to their departments
C. direct users of the new system
D. both (a) and (c)
E. None of the above
Answer Option A
22. The systems conversion technique of totally removing the existing system and immediately implementing the new system is called a
A. pilot conversion
B. crash conversion
C. phased conversion
D. parallel run
E. None of the above
Answer Option B
23. Which of the following statements is not true
A. at example of a hierarchical data structure is tree
B. pointers are useful in traversing a linked list
C. a checksum digit is used for detecting Errors in data transmission
D. All of the above
E. None of the above
Answer Option B
24. The data base be prepared until
A. the computer has been selected
B. the MIS staff has been acquired and organized
C. the preparation of physical facilities
D. All of the above
E. None of the above
Answer Option A
25. The system study project includes
A. system analysis
B. system design
C. implementation
D. both (a) and (b)
E. None of the above
Answer Option D
26. Which of the following is not a part of a Data Flow Diagram?
A. disk storage
B. arrow
C. Data store
D. process represented by a bubble circle (circle)
E. None of the above
Answer Option A
27. The first step to the system study project is to
A. define system performance criteria
B. describe information needs
C. staff for the study project
D. announce the study project
E. None of the above
Answer Option D
28. The data stored on a tape or disk file may be recorded in a report form described as
A. a soft copy ledger
B. printer spacing from
C. proof listing
D. All of the above
E. None of the above
Answer Option C
29. In Data structure, main characteristic of "ring" is :
A. last, record points to the first record
B. first record points only to the last record
C. many records point to one record
D. All of the above
E. None of the above
Answer Option A
30. Which of the following control structures is used in every program?
A. Repetition
B. Selection
C. Sequence
D. Switching
E. None of the above
Answer Option C
31. A system design is said to be functionally modular if
A. the system is able to handle all the function of the application
B. each module performs a specific function and can be developed relatively independently by programmers
C. the system makes extensive use of function. keys for maximum user assistance
D. the system is developed using structured programming through COBOL or PASCAL
E. None of the above
Answer Option B
32. Difference between Decision - Tables and Decision Trees is (are):
A. value to end user
B. form of representation
C. one shows the logic while other shows the process
D. All of the above
E. None of the above
Answer Option B
33. Structured design produces computer programs that are
A. easily
B. maintained
C. easily understood
D. both (a) and (b)
E. None of the above
Answer Option D
34. Decision tree uses
A. pictorial depiction of alternate conditions
B. nodes and branches
C. consequences of various depicted alternates
D. All of the above
E. None of the above
Answer Option D
35. The term scheme means
A. the relationship service bureau
B. a map of overall structure of a database.
C. a parent with no owners
D. two dimensional table
E. None of the above
Answer Option B
36. A channel for communicating across a boundary between two or more sub¬systems is known as
A. interface
B. actigram
C. walk through
D. data path
E. None of the above
Answer Option B
37. Which of the following is not a programming control structure?
A. Repetition
B. Selection
C. Sequence
D. Sorting
E. None of the above
Answer Option D
38. The systems conversion technique of totally removing the existing system and immediately implementing the new system is called as
A. crash conversion
B. phased conversion
C. pilot conversion
D. parallel run
E. None of the above
Answer Option A
39. Structured design produces computer programs that are:
A. easily maintained
B. easily understood
C. tested in a bottom-up fashion
D. a and b only
E. None of the above
Answer Option D
40. Coding and testing are done In a
A. top-down manner
B. bottom-up manner
C. ad hoc manner
D. cross sectional manner
E. None of the above
Answer Option A
41. A common reason for changing an information system is
A. new requirements
B. new technology
C. problems in the existing system
D. All of the above
E. None of the above
Answer Option D
42. Which of the following statements is true
A. a 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. a system flowchart is not a part of a program documentation package
E. None of the above
Answer Option D
43. The four icons used in building Data Flow Diagram are
A. Flow, Source, Store, Process
B. Flow, Process, Source, Store
C. Flow, Process, Source/Destination, Store
D. Source, Process, Destination, Store
E. None of the above
Answer Option C
44. Structured programming involves
A. functional modularization
B. decentralization of program activity
C. localization of errors
D. centralized processing
E. None of the above
Answer Option A
45. What type of software is most useful in financial planning and calculation?
A. graphics
B. communication
C. database
D. spreadsheet
E. None of the above
Answer Option D
46. The time lag, between the keying of the last character on the keyboard input and the appearance of the first output character on the screen, is known as
A. Key
B. System review
C. response time
D. batch Processing
E. None of the above
Answer Option C
47. Which of the following is not a characteristic of a system?
A. operates for some purpose
B. has homogeneous components
C. operates within a boundary
D. has interacting components
E. None of the above
Answer Option B
48. The main purpose of the system investigation phase is to produce
A. a design report
B. a requirement report
C. a feasibility report
D. All of the above
E. None of the above
Answer Option C
49. The model base cannot be prepared until
A. the computer has been selected
B. the MIS staff has been acquired and organized
C. the preparation of physical facilities
D. both (a) and (b)
E. None of the above
Answer Option D
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