1
GATE CSE 2010
MCQ (Single Correct Answer)
+2
-0.6
The following program is to be tested for statement coverage:
begin
if $$\left( {a = \,\, = b} \right)\,\,\left\{ {S1;\,\,exit;} \right\}$$
else if $$\left( {c = \,\, = d} \right)\,\,\left\{ {S2;} \right\}$$
else $$\left\{ {S3;\,\,exit;} \right\}$$
$$S4;$$
end

The test cases $${T_1},\,{T_2},\,{T_3}\,\,\& \,{T_4}$$ given below are expressed in terms of the properties satisfied by the values of variables $$a, b, c$$ and $$d.$$ The exact values are not given.
$${T_1}:\,a,\,b,\,c\,\& \,d$$ are all equal
$${T_2}:\,a,\,b,\,c\,\& \,d$$ are all distinct
$${T_3}:\,a = b\,\,\,\& \,\,\,\,c\,!\, = \,d$$
$${T_4}:\,a! = b\,\,\,\& \,\,\,\,c\, = \,d$$

Which of the test suites given below ensures coverage of statements $${S_1},\,{S_2},\,{S_3}\,\,\& \,{S_4}$$ ?

A
$${T_1},\,{T_2},\,{T_3}$$
B
$${T_2},\,{T_4}$$
C
$${T_3},\,{T_4}$$
D
$${T_1},\,{T_2},\,{T_4}$$
2
GATE CSE 2009
MCQ (Single Correct Answer)
+2
-0.6
Consider the following statements about the cyclomatic complexity of the control flow graph of a program module. Which of these are TRUE?

$${\rm I}.\,\,\,\,\,\,$$ The cyclomatic complexity of a module is equal to the maximum number of
$$\,\,\,\,\,\,\,\,\,\,\,$$linearly independent circuits in the graph.
$${\rm II}.\,\,\,$$ The cyclomatic complexity of a module is the number of decisions in the
$$\,\,\,\,\,\,\,\,\,\,$$module plus one, where a decision is effectively any conditional statement in
$$\,\,\,\,\,\,\,\,\,\,$$the module.
$${\rm III}\,$$ The cyclomatic complexity can also be used as a number of linearly
$$\,\,\,\,\,\,\,\,\,\,$$independent paths that should be tested during path coverage testing.

A
$${\rm I}$$ & $${\rm I}$$$${\rm I}$$
B
$${\rm I}$$$${\rm I}$$ & $${\rm I}$$$${\rm I}$$$${\rm I}$$
C
$${\rm I}$$ & $${\rm I}$$$${\rm I}$$$${\rm I}$$
D
$${\rm I}$$, $${\rm I}$$$${\rm I}$$ & $${\rm I}$$$${\rm I}$$$${\rm I}$$
3
GATE CSE 2009
MCQ (Single Correct Answer)
+2
-0.6
Which of the following statements are TRUE?

$${\rm I}.\,\,\,\,\,\,$$ The content diagram should depict the system as a single bubble.
$${\rm II}.\,\,\,\,$$ External entities should be identified clearly at all levels of $$DFDs$$
$${\rm III}.\,\,$$ Control information should not be represented in $$DFD$$
$${\rm IV}.\,\,$$ A data store can be connected either to another data store or to an external
$$\,\,\,\,\,\,\,\,\,\,\,\,$$entity.

A
$${\rm I}$$$${\rm I}$$ & $${\rm I}$$$${\rm I}$$$${\rm I}$$
B
$${\rm I}$$, $${\rm I}$$$${\rm I}$$ & $${\rm I}$$ $$V$$
C
$${\rm I}$$ & $${\rm I}$$$${\rm I}$$$${\rm I}$$
D
$${\rm I}$$, $${\rm I}$$$${\rm I}$$ & $${\rm I}$$$${\rm I}$$$${\rm I}$$
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