C Programming Questions and Answers – Conditional Expressions – 2

This set of C Multiple Choice Questions & Answers (MCQs) focuses on “Conditional Expressions – 2”.

Pre-requisite for this C MCQ set: Advanced C Programming Video Tutorial.

1. What will be the output of the following C code?

a) 7
b) 8
c) Compile time error
d) Run time error
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2. What will be the output of the following C code?

a) Compile time error
b) 9
c) 8
d) Run time error
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3. What will be the final values of a and c in the following C statement? (Initial values: a = 2, c = 1)

 c = (c) ? a = 0 : 2;

a) a = 0, c = 0;
b) a = 2, c = 2;
c) a = 2, c = 2;
d) a = 1, c = 2;
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4. What will be the data type of the following expression? (Initial data type: a = int, var1 = double, var2 = float)

expression (a < 50)? var1 : var2;

a) int
b) float
c) double
d) Cannot be determined
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5. Which expression has to be present in the following?

exp1 ? exp2 : exp3;

a) exp1
b) exp2
c) exp3
d) all of the mentioned
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6. What will be the final value of c in the following C code snippet? (Initial values: a = 1, b = 2, c = 1)

       c += (-c) ? a : b;

a) Syntax Error
b) c = 1
c) c = 2
d) c = 3
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7. The following C code can be rewritten as _______

c = (n) ? a : b;

a)

    if (!n)c = b;
    else c = a;

b)

    if (n <;= 0)c = b;
    else c = a;

c)

    if (n > 0)c = a;
    else c = b;

d) All of the mentioned
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