Computing

Question 1

1In a Python method, self refers to

Hard

A. the object the method is called on B. a global variable C. the programmer D. the class name only

Question 2

2An object is an instance of a class.

Easy

A. True B. False

Question 3

3Attributes of an object are

Medium

A. its file name B. the data it stores, such as name or colour C. the actions it can perform D. the errors it has

Question 4

4The Python constructor method is named ___.

Medium

Your answer (fill in the blank)

Question 5

5What is printed? class Box: def __init__(self, w): self.w = w b = Box(5) print(b.w)

Medium

A. 5 B. Error C. w D. Box

Question 6

6Encapsulation means

Hard

A. keeping an object's data and methods together and hiding internal details B. deleting objects C. copying code D. joining strings

Question 7

7Which line creates an object of class Pupil?

Medium

A. Pupil = p("Ama") B. class p = Pupil C. p = Pupil("Ama", 16) D. new Pupil = p

Question 8

8Overriding a method means

Hard

A. renaming the class B. a subclass gives its own version of a method inherited from the parent C. deleting the method D. calling it twice

Question 9

9Which line defines a class Car that inherits from Vehicle?

Hard

A. Car = class(Vehicle) B. class Car(Vehicle): C. class Vehicle(Car): D. class Car inherits Vehicle

Question 10

10An object is

Easy

A. a comment B. an instance of a class C. a function call D. a type of variable name only