Array Exam questions

What is a data structure?

• A list of variables

• A list of variables and strings

• A facility that holds more than one value

What is an array?

• A list of variables

• A list of strings

• A series of memory locations, each with the same name, that hold related data

Why are arrays used?

• Arrays store multiple data values under one name, reducing the complexity of our program

• Arrays store more data than if we were using variables

• Arrays store more data than if we were using strings

In an array, what is an element?

• The smallest number an array can hold

• The biggest number an array can hold

• An element is one value in an array

How many elements would the array 'student_marks(10)' hold?

• Nine elements

• Ten elements

• Eleven elements

In the array 'numbers(6, 10, 7, 12, 9, 2)', what is the value of element numbers(4)?

• Nine

• Twelve

• Two

When creating the array'scores(9)', what does the '9' in brackets represent?

• The number of elements the array can hold

• The largest number of digits an element can hold

• The largest number of characters an element can hold

What is the difference between an array and a list?

• An array holds numbers, whereas a list holds strings

• An array can only hold data of the same data type, whereas lists can hold values of different data types

• An array holds both numbers and strings, whereas a list only holds numbers