Data Structures - Arrays

Which of the following is NOT a data structure used to represent and store data?

• Arrays

• Tuples

• Records

• Functions

What is the primary function of a variable declaration in programming?

• To allocate memory for a variable

• To define a function

• To create a loop structure

• To import a library

Do all programming languages require explicit variable declarations?

• Yes, all languages require it

• No, some languages do not require it

• Only object-oriented languages require it

• Only procedural languages require it

What are considered elementary data types in programming languages?

• Arrays, lists, and records

• Char, real, integer, and Boolean

• Functions and objects

• Classes and interfaces

Which of the following is an example of a structured data type?

• Real number

• Array

• Boolean

• Integer

Structured data types are usually made up of which of the following?

• Complex algorithms

• Elementary data types

• High-level programming languages

• Software development kits

What is the primary benefit of using an array to store multiple town names instead of using separate variables like town1, town2, etc.?

• It allows for sorting names in alphabetical order.

• It reduces the complexity of the code.

• It increases the execution speed of programs.

• It requires more memory.

What syntax is commonly used to access elements in an array?

• {}

• ()

• []

• <>

Arrays are collection of the same data type under a single identifier.

• True
• False

colours = ["red", "blue", "purple", "green"]​

If I wanted to print the item called "red" what number should I call?​