Data Abstraction

1. Which of the following functions that build the abstract data type ?

• Constructors

• Destructors

• recursive

• Nested

2. Which of the following functions that retrieve information from the data type?

• Constructors

• Selectors

• recursive

• Nested

3. The data structure which is a mutable ordered sequence of elements is called

• Built in

• List

• Tuple

• Derived data

4. A sequence of immutable objects is called

• Built in

• List

• Tuples

• Derived data

5. The data type whose representation is known are called

• Built in datatype

• Derived datatype

• Concrete datatype

• Abstract datatype

6. The data type whose representation is unknown are called

• Built in datatype

• Derived datatype

• Concrete datatype

• Abstract datatype

7. Which of the following is a compound structure?

• Pair

• Triplet

• single

• quadrat

8. Bundling two values together into one can be considered as

• Pair

• Triplet

• Single

• quadrat

9. Which of the following allow to name the various parts of a multi-item object?

• Tuples

• Lists

• Classes

• quadrats

10.Which of the following is constructed by placing expressions within square brackets?

• List

• Tuples

• Classes and

• Quadrats