Past Paper 2019

Question 1

Give one example of 1st, 2nd, 3rd and 4th generation programming languages.

Answer 1

1st gen: Machine Language
2nd gen: Assembly Language
3rd gen: Java
4th gen: SQL

Question 2

What’s the difference between relational database and flatbed database?

Answer 2

Relational databases have multiple tables in which the data is related and connected using keys. A flatbed is all in one table.

Question 3

What is the difference between imperative and declarative programming?

Answer 3

Imperative programming focuses on how the program should achieve the result. Declarative programming focuses on what the program should accomplish.

Question 4

Describe the machine cycle

Answer 4

Consists of the steps that a computer’s processor executes whenever it receives an instruction

Question 5

How are flow charts and pseudocode used to aid implementing an algorithm?

Answer 5

Flow charts use shapes to define actions. Pseudocode is a simplified language using English and can be used as a template for an algorithm code

Question 6

Role of the clock in the machine cycle

Answer 6

The clock performs millions of machine cycle per sec consisting of fetch-execute cycle

Question 7

Describe a compiler

Answer 7

Takes the source code as a whole and translates it into object code all in one go.

Question 8

Describe an assembler

Answer 8

Translates assembly language into object code.