C++ Programming Questions and Answers – TypesThis section on C++ interview questions and answers focuses on “Types”. One shall practice these interview questions to improve their C++ programming skills needed for various interviews (campus interviews, walkin interviews, company interviews), placements, entrance exams and other competitive exams. These questions can be attempted by anyone focusing on learning C++ programming language. They can be a beginner, fresher, engineering graduate or an experienced IT professional. Our C++ interview questions come with detailed explanation of the answers which helps in better understanding of C++ concepts.

 

Here is a listing of C++ interview questions on “Types” along with answers, explanations and/or solutions:

1. What is the size of wchar_t in C++?
a) 2
b) 4
c) 2 or 4
d) based on the number of bits in the system
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2. Pick the odd one out
a) array type
b) character type
c) boolean type
d) integer type
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3. Which datatype is used to represent the absence of parameters?
a) int
b) short
c) void
d) float
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4. What does a escape code represent?
a) alert
b) backslash
c) tab
d) form feed
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5. Which type is best suited to represent the logical values?
a) integer
b) boolean
c) character
d) all of the mentioned
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6. Identify the user-defined types from the following?
a) enumeration
b) classes
c) both a and b
d) int
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7. Which of the following statements are true?
int f(float)
a) f is a function taking an argument of type int and retruning a floating point number
b) f is a function taking an argument of type float and returning a integer.
c) f is a function of type float
d) none of the mentioned
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8. The value 132.54 can represented using which data type?
a) double
b) void
c) int
d) bool
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9. When a language has the capability to produce new data type mean, it can be called as
a) overloaded
b) extensible
c) encapsulated
d) reprehensible
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