4.10 - 4.14 Types / Structures

Question 1

What are the 5 data types

Answer 1

Integer, Real(Float), Boolean, Character, String

Question 2

What are the three different types of data structures

Answer 2

Records, Arrays and Lists

Question 3

Structures can either be…

Answer 3

Dynamic or static

Question 4

State the use of a Boolean data type

Answer 4

True or False

Question 5

Describe the data structure “Lists”

Answer 5

A form of array, Stores data in the order added to memory, Can store different types of data integer, float, string, character…), Dynamic data structure, Data can be inserted / deleted from a list, Can traverse (or loop (for/while)) through a list, Can search a list

Question 6

Describe the Data structure “Array”

Answer 6

Holds a fixed number of data items, Must be the same data type (integer, float, string, character…), Data items are known as elements, An array is an example of a static data structure, Data can be deleted from an array, not inserted, Can traverse (or loop (for/while)) through an array, Can search an array

Question 7

An example of 1D array could be..

Answer 7

used for recording temperatures after a science experiment

Question 8

An example of 2D array could be..

Answer 8

used for recording temperatures
and liquid density after a science experiment

Question 9

Describe the Data structure “Records”

Answer 9

Can hold data of different types, A record holds information about one person, place or item, A record is made up of different fields, with different
data types

Question 10

What is the structure of a Record

Answer 10

Key Field, File/Table and Fields

Question 11

What should each Record have?

Answer 11

Each record should have a key field, this
will make each record unique

Question 12

What is a File/Table

Answer 12

A file / table is a collection of records

Question 13

What is a Record made up of?

Answer 13

A record is made up of fields that hold a
specific piece of information. A field is made up of one specific data
type