Section 5 - Programming

Question 1

What is integer in pseudocode?

Answer 1

Int

Question 2

What does an integer mean?

Answer 2

Whole numbers only

Question 3

What is real (or float) in pseudocode?

Answer 3

real

Question 4

What does real (or float) mean?

Answer 4

Numbers that have a decimal part

Question 5

What is boolean in pseudocode?

Answer 5

bool

Question 6

What does boolean mean?

Answer 6

Can only take one of two values, usually TRUE or FALSE

Question 7

What is character in pseudocode?

Answer 7

char

Question 8

What does character mean?

Answer 8

A single letter, number, symbol

Question 9

What is string in pseudocode?

Answer 9

string

Question 10

What does string mean?

Answer 10

Used to represent text, it is a collection of characters

Question 11

What are the different data types?

Answer 11

Integer, real, boolean, character, string

Question 12

How much memory is an integer usually allocated?

Answer 12

2 bytes or 4 bytes

Question 13

How much memory is real usually allocated?

Answer 13

4 bytes or 8 bytes

Question 14

How much memory is boolean usually allocated?

Answer 14

1 bit is needed but usually 1 byte is used

Question 15

How much memory is a character usually allocated?

Answer 15

1 byte

Question 16

How much memory is a string usually allocated?

Answer 16

1 byte for every character in the string

Question 17

Why is it important to use the correct data types?

Answer 17

It makes code more memory efficient, robust and predictable

Question 18

What is casting?

Answer 18

Manually converting between data types by using functions

Question 19

Which commands can be used for casting?

Answer 19

int(), float(), bool(), str()