Computer Science Fundamentals

Computer Science

A collection of medium-difficulty multiple-choice questions covering core concepts in computer science, focusing on well-known and factually accurate information.

fundamentals programming algorithms data structures history

12 Questions Medium Ages 12+ Jul 27, 2026

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About this Study Set

This study set covers Computer Science through 12 practice questions. A collection of medium-difficulty multiple-choice questions covering core concepts in computer science, focusing on well-known and factually accurate information. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 12 questions from the Computer Science Fundamentals study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the fundamental unit of information in computing, representing either a 0 or a 1?

A Byte
B Word
C Bit
D Nibble

2 Which programming paradigm is characterized by the use of objects, which are instances of classes, and their interactions?

A Functional Programming
B Procedural Programming
C Object-Oriented Programming
D Declarative Programming

3 What is the term for a set of instructions that a computer can execute to perform a specific task?

A Algorithm
B Data Structure
C Hardware
D Software

4 In computer networking, what protocol is primarily used for transmitting web pages over the internet?

A FTP
B SMTP
C HTTP
D DNS

5 What is the name of the first widely successful high-level programming language, developed in the 1950s for scientific and engineering applications?

A COBOL
B LISP
C BASIC
D FORTRAN

6 Which data structure follows the Last-In, First-Out (LIFO) principle?

A Queue
B Stack
C Linked List
D Tree

7 What does the acronym 'CPU' stand for in the context of computer hardware?

A Computer Processing Unit
B Central Personal Unit
C Central Processing Unit
D Computer Program Unit

8 What is the process of finding and fixing errors in a computer program called?

A Compilation
B Interpretation
C Debugging
D Execution

9 Which sorting algorithm has an average and worst-case time complexity of O(n^2)?

A Merge Sort
B Quick Sort
C Bubble Sort
D Heap Sort

10 What is the primary function of an operating system?

A To run individual applications
B To manage computer hardware and software resources
C To connect to the internet
D To perform complex calculations

11 Who is often credited with inventing the first compiler (A-0 System)?

A Alan Turing
B Grace Hopper
C Tim Berners-Lee
D Bill Gates

12 What is the term for a sequence of operations that is guaranteed to terminate and produce a result?

A Algorithm
B Heuristic
C Random Process
D Loop

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