Section 2A - Programming Basics

Question 1

What are variables?

Answer 1

Variables are any data that is stored in memory locations, and as the program runs, the values in these locations change.

Question 2

What is an integer?

Answer 2

A integer is a whole number such as 1, 2 or 3

Question 3

What is a real/ float?

Answer 3

A number with a decimal point such as 3.456

Question 4

What is a char/character?

Answer 4

A single character, where the character is anything that can be typed

Question 5

What is a string?

Answer 5

Zero or more characters. A string can be null (empty), just 1 characters or many characters

Question 6

What is a boolean?

Answer 6

A boolean variable has the value True or False

Question 7

What is a constant?

Answer 7

A value which does not change in the memory

Question 8

What does ASCII stand for?

Answer 8

“American Standard Code for Information Interchange”

Question 9

What is Robust code?

Answer 9

Code which will not result in the program crashing due to an unexpected user input

Question 10

What is an array?

Answer 10

An array is a list which stores a collection under 1 identifier

Question 11

What is a data structure?

Answer 11

When we group data items together so they can be treated as a set of data