Question 1

What is a data structure?

Accepted Answer

A large amount of data stored together relating to each other

Answer

A collection of constants and variables separately storing data

Answer

A collection of variables separately storing data

Answer

A large amount of data stored separately relating to each other

Question 2

Why would these 10 variable will benefit from being stored in an array?

Accepted Answer

As the data increases, it will become unmanageable to track the variables. An array will store multiple data together under one identifier

Answer

An array can only hold one data type and therefore these scores cannot go in an array

Answer

It only has 10 scores, the variables would be better because you can see what each score is

Answer

You will not be able to add all of these scores to an array

Question 3

What is an array?

Accepted Answer

A large amount of data stored together relating to each other and it will be the same data type

Answer

A large amount of data stored together relating to each other and it will be different data types

Answer

A collection of variables separately storing data

Answer

A large amount of data stored separately relating to each other

Question 4

The data is stored under one identifier. What is meant by identifier?

Accepted Answer

A name given to part of the program. For example the name of a function, variable or array

Answer

A data structure that holds multiple data

Answer

You can store data in a location in memory and it can change

Answer

You can store data in a location in memory and it can't change during the running of the program.

Question 5

How many elements are in the array?

Accepted Answer

9

Answer

10

Answer

8

Answer

7

Question 6

Which score is in position 5?

Accepted Answer

65

Answer

45

Answer

2

Answer

8

Question 7

Which position is score 100 in?

Accepted Answer

2

Answer

0

Answer

3

Answer

1

Question 8

Which score is in position -1?

Accepted Answer

15

Answer

55

Answer

9

Answer

95

Question 9

The teacher wants to store all of the class names in a program. What is the best method to do this?

Accepted Answer

The teacher should create an array because it will store multiple data all relating to student names and it will have the same data type

Answer

The teacher should create multiple variables because there are only 30 students in the class

Answer

The teacher should create an array because it will store multiple data all relating to student names and it will have different data typse

Answer

The teacher should create multiple variables because it's easier to manage.

Question 10

Which solution is more efficient and why?

Accepted Answer

Solution B is better because you're not using multiple variables and data is stored in one place

Answer

Solution A is better because you need to use multiple variable to output the correct score

Answer

Solution B is better because you're using multiple variables to store the data

Answer

Solution A is better because you're using an array to store multiple data

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