PPL 223 - (QUIZ 3) Data Types and Structures

Which of the following is a primitive data type?

• Array

• Integer

• Record

• Class

What is the main characteristic of an array?

• Elements of different types

• Elements of the same type

• Variable size

• None of the above

Which data type is best suited for representing a single character?

• Boolean

• Integer

• Float

• Character

In a record, fields can be of:

• Only primitive types

• Only array types

• Different types

• Only string types

What is the purpose of a discriminant field in a variant record?

• To hold multiple types simultaneously

• To store metadata about the record

• To determine which type of data is currently stored

• To provide a default value for fields

Which type of type checking is done at compile-time?

• Dynamic

• Static

• Run-time

• Hybrid

In Python, what is the inferred type of the variable age in the following code? age = 25

• String

• Float

• Integer

• Boolean

Which statement is true about implicit typing?

• Requires explicit type annotations

• Reduces code readability

• The type is inferred from the assigned value

• Always results in type errors

Which of the following is an example of a floating-point number?

• 42

• 'A'

• 3.14

• True

What is the primary benefit of using records in a program?

• Reducing code execution time

• Grouping related data

• Simplifying arithmetic operations

• Optimizing memory usage