Objective Questions on System Development Tools set-3

1) ............ is a graphical model that illustrates each basic step of data processing routines or system.
A. System flowchart
B. Decision Tables
C. Decision Trees
D. Organization chart

2) The condition and the action statements in a/an ............. are not complete, but are completed by the condition and action entries.
A. Limited Entry decision table
B. Extended Entry decision table
C. Mixed Entry decision table
D. Complete Entry decision table

3) To construct data flow diagram, we use...
i) arrows
ii) circles
iii) open-ended boxes
iv) squares
A. i, ii and iii
B. ii, iii and iv
C. i, iii and iv
D. All i, ii, iii and iv

4) Which of the following are the advantages of decision table
i) Complex tables can easily be split into simpler tables
ii) They are of standard format
iii) They do not depict the flow of logic of problem solution
A. i and ii only
B. i and iii only
C. ii and iii only
A. All i, ii and iii

5) ............. conditions are used for granting exam permission on the basis of attendance and fees paid.
A. Limited Entry decision table
B. Extended Entry decision table
C. Mixed Entry decision table
D. Complete Entry decision table

6) A/An .......... identifies data flow in motion.
A. arrow
B. circle
C. open ended box
D. square

7) Which of the following are the drawbacks of decision tables
i) It depict the flow of logic of a problem solution
ii) Decision tables are quite far away from programming high level languages
iii) It there is a large number of alternatives, it may be impractical to list them all in a decision tables
A. i and ii only
B. i and iii only
C. ii and iii only
A. All i, ii and iii

8) ........... are graphical representation of decision table, are also available and aid in the construction of decision tables.
A. Decision graphs
B. Decision trees
C. Organization charts
D. Organization trees

9) Like the rectangle in flowcharts, ........ stand for a process that converts data/into information.
A. arrows
B. circles
C. open ended boxes
D. squares

10) State the following statements are True or False
i) The drawing of flow charts is greatly facilitated by use of decision tables.
ii) Decision tables are better documentation for users, tabular representation may be more compact and easy to understand.
A. i-True, ii-False
B. i-True, ii-True
C. i-False, ii-True
D. i-False, ii-False

11) A ............ helps to show the paths that are possible in decision following an action or decision by the user.
A. System flowchart
B. Decision Tables
C. Decision Trees
D. Organization chart

12) A/An ............. represents a data/store-data at rest, or a temporary repository of data.
A. arrow
B. circle
C. open ended box
D. square

13) In ............. the conditions and actions entries merely define whether or not a conditions exist or an action should be taken.
A. Limited Entry decision table
B. Extended Entry decision table
C. Mixed Entry decision table
D. Complete Entry decision table

14) ........ is a graphical description of a system's data and how the process transform the data.
A. System diagram
B. Detail flowcharts
C. Data flow diagram
D. Data direction diagram

15) Which of the following statements about Data Flow Diagram are True.
i) Arrows should not cross each other
ii) Squares, circles, and rules must bear names.
iii) Decomposed data flows must not bear names.
A. i and ii only
B. ii and iii only
C. i and iii only
D. All i, ii and iii

16) Which of the following is/are the symbols used in the conditions entries of limited entry decision table are
A. Y
B. N
C. - or blank
D. All of the above

17) ........... do not supply detailed description of modules but graphically describe a system's data and how the data interact with the system.
A. System flowcharts
B. Detail flowcharts
C. Organization chart
D. Data flow diagram

18) State whether the following information are True or False.
i) No two data flows, squares or circles can have the same name.
ii) Decomposed data flows must be balanced.
A. i-True, ii-True
B. i-False, ii-True
C. i-True, ii-False
D. i-False, ii-False

19) The meaning of symbol ....... used in action entries of limited entry decision table is to execute the operation specified by the action statement.
A. Y
B. N
C. X
D. - or blank

20) The major symbols used in data dictionary are
i) =
ii) +
iii) { }
iv) ()
A. i, ii and iv
B. ii, iii and iv
C. i, iii and iv
D. All i, ii, iii and iv

Answers

1)  A. System flowchart
2)  B. Extended Entry decision table
3)  D. All i, ii, iii and iv
4)  A. i and ii only
5)  C. Mixed Entry decision table
6)  A. arrow
7)  C. ii and iii only
8)  B. Decision trees
9)  B. circles
10) B. i-True, ii-True
11) C. Decision Trees
12) C. open ended box
13) A. Limited Entry decision table
14) C. Data flow diagram
15) A. i and ii only
16) D. All of the above
17) D. Data flow diagram
18) A. i-True, ii-True
19) C. X
20) A. i, ii and iv