Introduction to Programming MCQs with Answers
Practice important Introduction to Programming MCQs with answers and explanations.
Multiple Choice Questions
Q521: What should be done if you want to overload the + operator to handle double as well as Complex numbers?
- A: Write a separate + operator for each type
- B: Combine the types into one operator
- C: Overload the * operator instead
- D: Use the same operator for both types
View Answer
A
Q522: What is true about new operators in C++?
- A: New symbols can be introduced for overloading
- B: Only existing symbols can be overloaded
- C: New operators can be created using any symbol
- D: Overloading requires changing operator precedence
View Answer
B
Q523: When overloading operators, what should be avoided?
- A: Defining operators with opposite meanings
- B: Using operators for multiple types
- C: Changing operator precedence
- D: Using non-member functions
View Answer
A
Q524: In operator overloading, what is the driving force for binary operators?
- A: Right-hand operand
- B: Left-hand operand
- C: Both operands
- D: None
View Answer
B
Q525: Which of the following is a valid operator overloading example for complex numbers?
- A: Subtracting real parts and imaginary parts
- B: Using the plus operator for division
- C: Multiplying two complex numbers
- D: Adding complex numbers using binary operators
View Answer
A
Q526: How is the minus operator defined for complex numbers?
- A: It returns a complex number with real and imaginary parts subtracted
- B: It modifies the calling object and does not return anything
- C: It only affects the real part of the complex number
- D: It is used to concatenate complex numbers
View Answer
A
Q527: What does the minus equal ( -= ) operator do in the context of complex numbers?
- A: It modifies the calling object by subtracting the argument’s values
- B: It returns a new complex number with subtracted values
- C: It performs multiplication with the argument’s values
- D: It performs addition with the argument’s values
View Answer
A
Q528: Why might defining a minus operator for strings not be practical?
- A: It doesn't make logical sense to subtract strings
- B: It is difficult to implement correctly
- C: It is not supported by most programming languages
- D: It causes performance issues
View Answer
A
Q529: What is the benefit of operator overloading for the Date class?
- A: It allows for date arithmetic operations
- B: It introduces new symbols for date calculations
- C: It changes the internal representation of dates
- D: It supports string operations on dates
View Answer
A
Q530: What does the plus operator (+) do when overloaded for the Date class?
- A: Adds a number of days to the date
- B: Adds two dates together
- C: Concatenates date objects
- D: Subtracts one date from another
View Answer
A