NPTEL Problem Solving Through Programming in C Week 4 Quiz Assignment | NPTEL Swayam Assignment Answers
MCQs (multiple choice questions) Nptel Week 3 Quiz Answers:
Q.1: The loop which is executed at least once is. Options are:
a) “while” loop
b) “do-while” loop
c) “for” loop
d) None of the above
Answer is (b) “do-while” loop
Q.2 : In the C programming language negative numbers when used in if-else conditional checking, are treated as: Options are:
a) TRUE
b) FALSE
c) Depends on the implementation
d) None of these
Answer is (a) TRUE
Q.3: Choose the correct statement to use “if-else” statement in C Language. Options are:
a) “else if” is compulsory to use with “if” statement.
b) “else” is compulsory to use with “if” statement.
c) “else” or “else if” is optional with the “if” statement.
d) None of the above are correct
Answer is (c) “else” or “else if” is optional with the “if” statement.
Q.4: What is the output of the following C code ? Options are:
a) True
b) False
c) Both ‘True’ and ‘False’ are printed
d) Compilation error
Answer is (c) Both ‘True’ and ‘False’ are printed
Q.5: In the following example, tell which statement is correct. Options are:
a) Condition1 will be evaluated first, and condition2 will be evaluated second
b) Condition2 will be evaluated first, and condition1 will be evaluated second
c) Condition1 will be evaluated first, condition2 will be evaluated only if the condition1 is TRUE
d) Condition2 will be evaluated first, and condition1 will be evaluated only if condition2 is TRUE
Answer is (c) Condition1 will be evaluated first, condition2 will be evaluated only if the condition1 is TRUE
Q.6: Which one of the following is the correct syntax for Ternary Operator in C language? Options are:
a) condition ? expression1 : expression2
b) condition : expression1 ? expression2
c) condition ? expression1 < expression2
d) condition < expression1 ? expression2
Answer is (b) condition : expression1 ? expression2
Q.7: The purpose of the following program fragment is to: Options are:
a) Transfer the content of s to b
b) Transfer the content of b to s
c) Exchange (swap) the content of s and b
d) Negate the contents of s and b
Answer is (c) Exchange (swap) the content of s and b
Q.8: What will be the output. Options are:
a) 11
b) 33
c) 31
d) 13
Answer is (c) 31
Q.9: What will be the output ?(&& is logical AND operation). Options are:
a) 0
1 2
b) 1
1 1
c) 0
0 0
d) 0
1 1
Answer is (d) 0
1 1
Q.10: What will be the value a,b and c after the execution of the following : Options are:
a) a=5, b=6, c=2;
b) a=6, b=7, c=1;
c) a=6, b=6, c=2;
d) a=5, b=7, c=1;
Answer is (c) a=6, b=6, c=2;
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