Boolean Algebra

Question 1

Imagine a class called CAR. A car class will have methods and attributes to define itself. Using the example Car describe and give an example of

• Method
• Attribute

Answer 1

Method 
- Drive: car moving forward
- Reverse: car moving backwards
Attribute
- colour
- wheel size

Question 2

For the class DOG give 3 attributes and 2 methods

Answer 2

Attributes
1. Breed 
2. Colour
3. Age
Methods
1. Bark
2. Walk

Question 3

For the class BANK ACCOUNT give 3 attributes and 2 methods

Answer 3

Attributes
1. interest rate
2. Name of bank account
3. PIN number
Methods
1. Input money
2. Check total

Question 4

What is meant by a transistor?

Answer 4

Acts as a switch/ gate, regulates current

Question 5

In chip there are millions or billions of transistors. What is the function of a microchip?

Answer 5

Processor that executes instructions. Only does one thing at a time; does it really fast.