Multiple Choice Ch 04 - MCQ PDF

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MULTIPLE CHOICE 1. A symbol used in data flow diagrams (DFDs) to depict an entity or process within which incoming data flows are transformed into outgoing data flows is a(n): a. data flow symbol b. external entity symbol c. bubble symbol d. data store symbol ANS: 2. a. b. c. d.

1

D

PTS:

1

B

PTS:

1

B

PTS:

1

Which data flow diagram (DFD) symbol is usually portrayed with a square? data flow data store external entity process or internal entity

ANS: 7. a. b. c. d.

PTS:

Which data flow diagram (DFD) symbol is portrayed by two parallel lines? data flow data store external entity internal entity or process

ANS: 6. a. b. c. d.

B

Which data flow diagram (DFD) symbol portrays a source or destination of data outside the system? data flow symbol external entity symbol bubble symbol data store symbol

ANS: 5. a. b. c. d.

1

Which of the following data flow diagram (DFD) symbols is represented by two parallel lines? data flow symbol external entity symbol internal entity symbol data store symbol

ANS: 4. a. b. c. d.

PTS:

A data flow diagram (DFD) could contain each of the following symbols except: a bubble or circle an octagon a square a curved line with an arrow head

ANS: 3. a. b. c. d.

C

C

PTS:

1

Which data flow diagram (DFD) symbol is usually portrayed with an arrow? data flow data store external entity process or internal entity

ANS:

A

PTS:

1

8. In the top-down partitioning of process 3.0, the next level's process bubbles would be labeled (assuming there are four subprocesses): a. 1.3, 2.3, 3.3, 4.3 b. 3.A, 3.B, 3.D, 3.D c. 3.1, 3.2, 3.3, 3.4 d. 3.1.1, 3.1.2, 3.1.3, 3.1.4 ANS:

C

PTS:

1

9.

Which of the following data flow diagram (DFD) guidelines is correct?

a. b. c. d.

include within the system context any entity that performs one or more information processing activities read computer data stores from the process bubble that requires the data include within the system context any entity in the system narrative data flows should never go from higher- to lower-numbered bubbles

ANS:

A

PTS:

1

10. Which of the following systems flowcharting guidelines is correct? a. documents or reports printed by a central computer should first be show in that computer's column b. sequential process steps, with no intervening delay, should be shown as one process c. divide the flowchart into columns, one for each internal entity, and label each column d. use a manual process symbol to show the sending or filing of a document ANS: 11. a. b. c. d.

A

PTS:

1

C

PTS:

1

D

PTS:

1

D

PTS:

1

Which type of data flow diagram specifies where, how, and by whom a system's processes are performed? context diagram physical data flow diagram logical data flow diagram systems flowchart

ANS: 17. a. b. c. d.

1

In a physical data flow diagram (DFD), a bubble or circle could be used to specify each of the following except: where a process is performed how a process is performed by whom a process is performed what process is performed

ANS: 16. a. b. c. d.

PTS:

In a physical data flow diagram (DFD), this is something within the system that transforms data. data flow data store external entity internal entity

ANS: 15. a. b. c. d.

A

Which of the following is the least detailed of the data flow diagrams? logical data flow diagram systems flowchart context diagram physical data flow diagram

ANS: 14. a. b. c. d.

1

Which symbol can be either an entity or a process depending on the type of data flow diagram (DFD)? bubble symbol external entity symbol data flow symbol data store symbol

ANS: 13. a. b. c. d.

PTS:

Those entities which perform no information processing activities for the system are called: external entities internal entities boundary entities environmental entities

ANS: 12. a. b. c. d.

C

B

PTS:

1

A person, place, or thing within a system that transforms data is called: external entity data store internal entity Boundary

ANS:

C

PTS:

1

18. Which data flow diagram shows what activities the system is performing without having to specify how, where, or by whom the activities are accomplished? a. context diagram b. physical data flow diagram c. systems flowchart d. logical data flow diagram ANS: 19. a. b. c. d.

PTS:

1

A _______________ depicts a system’s infrastructure. context diagram physical DFD logical DFD system flowchart

ANS: 20. a. b. c. d.

D

B

PTS:

1

In which of the following data flow diagrams does the bubble symbol represent a process and not the entire system? context diagram physical data flow diagram logical data flow diagram systems flowchart

ANS:

C

PTS:

1

21. In a logical data flow diagram (DFD) for a cash receipts system, each of the following labels might appear in a bubble except: a. cashier b. capture cash receipt c. prepare deposit d. record customer payment ANS: 22. a. b. c. d.

PTS:

1

The data flows in a logical data flow diagram (DFD) show: how the data are transmitted where the data are transmitted the nature of the data being transmitted who transmits the data

ANS: 23. a. b. c. d.

A

C

PTS:

1

When two data flow diagrams (DFDs) have equivalent external data flows, we say that the two data flow diagrams are: congruent similar balanced equal

ANS:

C

PTS:

1

24. A process in which successive layers of data flow diagrams (DFDs) are constructed by "exploding" the bubbles on a less detailed DFD to show more detailed data flows is called: a. top-down partitioning b. serial expansion c. balanced construction d. expanded data flows ANS:

A

PTS:

1

25. Which of the following statements related to the construction of data flow diagrams (DFDs) is false? a. The level 0 diagram is the next level down from the context diagram. b. If the level 0 diagram has one arrow going into bubble number 1.0 and two arrows leaving bubble number 1.0, then diagram 1.0 will show one arrow entering and two arrows leaving. c. Sources and destinations are depicted by parallel horizontal lines, between which the name of the entity is shown. d. Arrows represent a pathway for data. ANS:

C

PTS:

1

26. a. b. c. d.

A systems flowchart varies from a data flow diagram (DFD) because it: only represents the information system only represents the operations system only represents the management system represents the management system, the operations system, and the information system

ANS: 27. a. b. c. d.

PTS:

1

A

PTS:

1

C

PTS:

1

On a systems flowchart, a paper file is represented by a: Triangle Cylinder Rectangle Pentagon

ANS: 31. a. b. c. d.

B

On a systems flowchart, computer processing is represented by a: Square Trapezoid Rectangle Parallelogram

ANS: 30. a. b. c. d.

1

Why do auditors and systems analysts use systems documentation? to understand, explain, and improve complex systems only to provide justification to management for systems investments to reduce the number and amount of external entities to eliminate evidence to be collected

ANS: 29. a. b. c. d.

PTS:

Information processing activities include: only automated activities activities that retrieve, transform, and file data the sending of data between entities operational activities

ANS: 28. a. b. c. d.

D

A

PTS:

1

On a systems flowchart, a solid line with an arrow indicates a(n): batch total telecommunications link off-page connector logical flow

ANS:

D

32.

Which of the following systems flowcharting symbol descriptions is incorrect?

a. b. c. d.

PTS:

1

Disk computer process manual process Display

ANS:

C

33.

Which of the following systems flowcharting symbols descriptions is incorrect?

a. b. c. d.

PTS:

1

Tape on-page connector start/stop paper file

ANS:

D

PTS:

1

34.

a. b. c. d.

Which of the following systems flowcharting symbols descriptions is incorrect?

general purpose input-output manual process multiple-page document punched card

ANS: 35. a. b. c. d.

1

A

PTS:

1

C

PTS:

1

A

PTS:

1

On a logical data flow diagram (DFD), data flows: always go from a higher-numbered to a lower-numbered bubble never go from a higher-numbered to a lower-numbered bubble can go in either direction as needed must go from a bubble to a square

ANS: 40. a. b. c. d.

PTS:

Bubbles are labelled with nouns in physical data flow diagrams logical data flow diagrams both physical and logical data flow diagrams neither physical nor logical data flow diagrams

ANS: 39. a. b. c. d.

B

In drawing a context diagram, we should include: only exception routines only error routines only normal processing routines only normal processing and exception routines

ANS: 38. a. b. c. d.

1

An information processing activity could be any of the following except: sending or receiving data between entities document preparation data entry data verification

ANS: 37. a. b. c. d.

PTS:

How many circles (bubbles) are included in a correctly drawn context diagram? Zero One Three Between five and seven bubbles

ANS: 36. a. b. c. d.

D

B

PTS:

1

All of the following are "guidelines" for grouping activities in a level 0 DFD except: group activities if they occur in the same place and at the same time group activities if they occur at different times in the same place group activities if they occur at the same time but in different places group activities that seem to be logically related

ANS:

B

PTS:

1

41. When a transaction cannot be processed in a routine fashion because of an error or other processing problems, the transaction must be handled by a(n): a. rejection routine b. change report c. exception and summary report d. exception routine ANS:

D

PTS:

1

42. The following is a jumbled list of the activities suggested in this text for drafting data flow diagrams (DFDs) for an existing system:

I. II. III. IV. V.

Prepare a table of entities and activities. Prepare an annotated table of entities and activities. Draw a physical data flow diagram. Draw a logical data flow diagram. Draw a context diagram.

The best sequence for undertaking these activities is: a. I, II, V, III, IV b. I, V, III, II, IV c. II, I, III, V, IV d. II, IV, III, I, V ANS:

B

43.

Examine the following context diagram and the related level 0 logical DFD. Which of the following statements is true?

a. b. c. d.

PTS:

1

The diagrams are prepared correctly. A context diagram must have a least two external entities. The diagrams are not balanced. None of the above are true.

ANS:

C

44.

Which statement concerning the following diagram 1.0 logical data flow diagram (DFD) is true?

a. b. c. d.

PTS:

1

The data flow diagram follows DFD guidelines. An arrow should never leave a bubble with no destination. Data should only flow from a data store. Data flow diagrams (DFDs) at this level should show the external entities.

ANS:

A

45.

Which of the following segments violates guidelines for creating systems flowcharts?

a. b. c. d.

PTS:

1

Segment a. Segment b. Segment c. Segment d.

ANS:

A

PTS:

1

46. The following systems flowchart segment depicts a data entry clerk keying data from a source document into a business event data store. Which statement is correct?

a. b. c. d.

The systems flowchart was created properly. The arrow between the computer process and the data store should be bi-directional. The computer process should be shown in the computer column. The second symbol in the data entry clerk column should be a square.

ANS:

C

PTS:

1

47. The following systems flowchart segment depicts a user's query of a data store to view information on a computer screen. Which statement is correct?

a. b. c. d.

The systems flowchart was created properly. Only a single direction arrow should connect the data store symbol to the process query symbol. The query input symbol should be a square. The query input symbol should be in the computer column.

ANS:

B

PTS:

1

48. The following systems flowchart segment depicts a user entering business event data from a source document to update a master file data store. Which statement is correct?

a. b. c. d.

The systems flowchart was created properly. Only a single disk must be used to represent the master data. The every day symbol should be connected with a solid line. The master data is a sequential data store.

ANS: 49. a. b. c. d.

PTS:

1

System flowchart logic should: flow from left to right flow top to bottom flow from bottom to top a. and b. but minimize crossed lines and connectors

ANS: 50. a. b. c. d.

D

D

PTS:

1

Which of these represent a comprehensive picture of management, operations and information systems? context diagram logical data flow diagram physical data flow diagram systems flowchart

ANS:

D

PTS:

1...