Coding & Programming Quiz

Question 1

What is a 'variable' in programming?

Accepted Answer

A named storage location that holds a value

Answer

A fixed constant value

Answer

A type of loop

Answer

An error in the code

Question 2

Which programming language is known for its use in data science and machine learning?

Accepted Answer

Python

Answer

PHP

Answer

Swift

Answer

Ruby

Question 3

What does 'HTML' stand for?

Accepted Answer

HyperText Markup Language

Answer

Hyper Transfer Markup Language

Answer

High-Level Text Manipulation Language

Answer

HyperText Module Library

Question 4

What is a 'loop' in programming?

Accepted Answer

A sequence of instructions repeated until a condition is met

Answer

A type of data storage

Answer

An error that prevents a program from running

Answer

A function that calls itself

Question 5

What is 'open source' software?

Accepted Answer

Software whose source code is publicly available for anyone to view, modify, and distribute

Answer

Software that costs nothing to use

Answer

Software made by volunteer developers only

Answer

Software without any licensing

Question 6

What does an 'if statement' do in programming?

Accepted Answer

Executes code only when a specified condition is true

Answer

Repeats code a set number of times

Answer

Defines a function

Answer

Declares a variable

Question 7

What is 'debugging' in programming?

Accepted Answer

The process of finding and fixing errors in code

Answer

Writing initial code from scratch

Answer

Optimising code for speed

Answer

Adding comments to explain code

Question 8

Which programming language was the first high-level language, designed for scientific computing in the 1950s?

Accepted Answer

FORTRAN

Answer

COBOL

Answer

LISP

Answer

BASIC

Question 9

What is a 'function' (or method) in programming?

Accepted Answer

A reusable named block of code that performs a specific task

Answer

A type of variable

Answer

A type of error

Answer

A data storage structure

Question 10

What does 'CSS' stand for?

Accepted Answer

Cascading Style Sheets

Answer

Computer Style Sheets

Answer

Creative Styling System

Answer

Coded Style Syntax

Question 11

What is 'object-oriented programming' (OOP)?

Accepted Answer

A paradigm organising code into objects that bundle data and behaviour

Answer

Programming that only uses loops

Answer

A style of programming without functions

Answer

Programming using only mathematical functions

Question 12

What is 'Git' used for?

Accepted Answer

Version control — tracking changes to code over time

Answer

Deploying web applications

Answer

Editing code files

Answer

Running automated tests

Question 13

What does 'SQL' stand for?

Accepted Answer

Structured Query Language

Answer

System Query Library

Answer

Sequential Query Logic

Answer

Standard Queue Language

Question 14

What is an 'API'?

Accepted Answer

Application Programming Interface — a way for programs to communicate with each other

Answer

A type of computer virus

Answer

An advanced programming instruction

Answer

An automated protocol for internet connections

Question 15

Which company developed the Java programming language?

Accepted Answer

Sun Microsystems

Answer

Microsoft

Answer

Apple

Answer

IBM

Question 16

What does it mean when code is described as having an 'O(n) time complexity'?

Accepted Answer

The code's time grows linearly with the size of the input

Answer

The code takes the same time regardless of input size

Answer

The code's time grows exponentially

Answer

The code runs in parallel

Question 17

What is 'recursion' in programming?

Accepted Answer

When a function calls itself as part of its execution

Answer

A type of database query

Answer

A method of sorting data

Answer

A way to optimise loops

Question 18

What type of error occurs when code is syntactically correct but produces unexpected results?

Accepted Answer

Logic error

Answer

Syntax error

Answer

Runtime error

Answer

Compile error

Question 19

What is the purpose of the 'else' clause in an if-else statement?

Accepted Answer

To execute code when the 'if' condition is false

Answer

To repeat code

Answer

To define a new variable

Answer

To end a program

Question 20

Which language is primarily used for iOS and macOS app development?

Accepted Answer

Swift

Answer

Java

Answer

Kotlin

Answer

Objective-C