1
GATE CSE 2010
MCQ (Single Correct Answer)
+1
-0.3
What is the appropriate pairing of items in the two columns using listing various activities encountered in a software use cycle? GATE CSE 2010 Software Engineering - Software Engineering Question 22 English
A
$$P - 3,\,\,Q - 2,\,\,R - 4,\,\,S - 1$$
B
$$P - 2,\,\,Q - 3,\,\,R - 1,\,\,S - 4$$
C
$$P - 3,\,\,Q - 2,\,\,R - 1,\,\,S - 4$$
D
$$P - 2,\,\,Q - 3,\,\,R - 4,\,\,S - 1$$
2
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
$${T_1},\,{T_2},\,{T_4}$$
3
GATE CSE 2010
MCQ (Single Correct Answer)
+1
-0.3
Let $${L_1}$$ recursive language. Let $${L_2}$$ and $${L_3}$$ be languages that are recursively enumerable but not recursive. Which of the following statement is not necessarily true?
A
$${L_2}$$ $$-$$ $${L_1}$$ is recursively enumerable.
B
$${L_1}$$ $$-$$ $${L_3}$$ recursively enumerable.
C
$${L_2} \cap {L_1}$$ is recursively enumerable.
D
$${L_2} \cup {L_1}$$ is recursively enumerable.
4
GATE CSE 2010
MCQ (Single Correct Answer)
+2
-0.6
Let $$L = \left\{ {w \in {{\left( {0 + 1} \right)}^ * }\left| {\,w} \right.} \right.$$ has even number of $$\,\left. {1's} \right\},$$ i.e $$L$$ is the set of all bit strings with even number of $$1's.$$ which one of rhe regular expression below represents $$L.$$
A
$$\left( {{0^ * }{{10}^ * }1} \right){}^ * $$
B
$${0^ * }\left( {{{10}^ * }{{10}^ * }} \right){}^ * $$
C
$${0^ * }\left( {{{10}^ * }1} \right){}^ * {0^ * }$$
D
$${0^ * }\,\,1\left( {{{10}^ * }1} \right){}^ * {10^ * }$$
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