Types C++ MCQ

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

Answer:d

2. Pick the odd one out
a) array type
b) character type
c) boolean type
d) integer type

Answer:a

3. Which datatype is used to represent the absence of parameters?
a) int
b) short
c) void
d) float

Answer:c

4. What does a escape code represent?
a) alert
b) backslash
c) tab
d) form feed

Answer:a

5. Which type is best suited to represent the logical values?
a) integer
b) boolean
c) character
d) all of the mentioned

Answer:b

6. Identify the user-defined types from the following?
a) enumeration
b) classes
c) both a and b
d) int

Answer:c

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

Answer:b

8. The value 132.54 can represented using which data type?
a) double
b) void
c) int
d) bool

Answer:a

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

Answer:b

10. Pick the odd one out.
a) integer, character, boolean, floating
b) enumeration, classes
c) integer, enum, void
d) arrays, pointer, classes

Answer:c