Section 2 - Programming

Question 1

What are variables used for?

Answer 1

To temporarily stored data values using identifiable names

Question 2

Define what is meant by string concatenation

Answer 2

Joining together two or more strings

Question 3

Give two reasons why a programmer might want to use random numbers in a computer game

Answer 3

So that the game is different each time it’s played

So that the game is unpredictable and challenging

Question 4

What is a data structure?

Answer 4

A data structure is a format for storing multiple data values under one variable name

Question 5

Give two reasons why a programmer might choose to store data in an external file

Answer 5

So that the data is not lost when the program is closed

So that the data can be sent to other people/stored on an external storage device

Question 6

Define what is meant by a parameter

Answer 6

A parameter is a special variable that passes data into a subroutine

Question 7

What is the scope of a parameter?

Answer 7

Parameters have a local scope to the subroutine they’re defined in