SS3 first term computer science past questions and answers

SS3 first term computer science past questions and answers

Here are 20 SS3 (Senior Secondary School 3) computer science questions with options and answers:

Question: What is the purpose of an operating system?

A) Manage hardware resources

B) Create documents

C) Play games

D) Design graphics

Answer: A

Question: Which programming language is known for its simplicity and readability?

A) C++

B) Java

C) Python

D) Assembly

Answer: C

Question: What does HTML stand for?

A) Hyper Text Markup Language

B) High-Level Text Management Language

C) Hyperlink and Text Markup Language

D) Hyper Transfer Markup Language

Answer: A

Question: In a binary system, what digit represents the absence of an electrical charge?

A) 0

B) 1

C) 2

D) 9

Answer: A

Question: Which data structure uses the Last In, First Out (LIFO) principle?

A) Queue

B) Stack

C) Linked List

D) Tree

Answer: B

Question: What is the purpose of SQL?

A) Manage files

B) Query and manipulate databases

C) Create web pages

D) Develop mobile apps

Answer: B

Question: What is the function of the "if" statement in programming?

A) Looping

B) Decision-making

C) Data input

D) File handling

Answer: B

Question: Which protocol is used for sending emails?

A) HTTP

B) FTP

C) SMTP

D) TCP

Answer: C

Question: What is the role of a compiler in programming?

A) Execute code

B) Debug code

C) Translate code to machine language

D) Design user interfaces

Answer: C

Question: Which of the following is a relational database management system (RDBMS)?

A) MongoDB

B) SQLite

C) Redis

D) Cassandra

Answer: B

Question: What is the primary function of a router in a computer network?

A) Connect devices within the same network

B) Filter and forward data packets between networks

C) Manage internet speed

D) Store data

Answer: B

Question: What is the purpose of the "else" statement in programming?

A) To end a loop

B) To handle errors

C) To define alternative actions

D) To declare variables

Answer: C

Question: Which algorithm is used for sorting elements in ascending or descending order?

A) QuickSort

B) Breadth-First Search

C) Depth-First Search

D) Dijkstra's algorithm

Answer: A

Question: What is the function of a firewall in computer security?

A) Monitor network traffic

B) Protect against viruses

C) Control access to a network

D) All of the above

Answer: D

Question: Which programming paradigm focuses on defining the "what" rather than the "how"?

A) Procedural programming

B) Object-oriented programming

C) Functional programming

D) Imperative programming

Answer: C

Question: What does the acronym URL stand for?

A) Uniform Resource Locator

B) Universal Resource Language

C) Unified Resource Locator

D) Unique Resource Language

Answer: A

Question: Which of the following is not a primary color in digital design?

A) Red

B) Green

C) Yellow

D) Blue

Answer: C

Question: What is the purpose of the "while" loop in programming?

A) Execute code a specific number of times

B) Make decisions based on conditions

C) Perform actions until a condition is false

D) Handle errors

Answer: C

Question: What is the main function of an array in programming?

A) Store a collection of elements of different data types

B) Represent a linear data structure

C) Organize data in a key-value pair

D) Create graphical interfaces

Answer: B

Question: What is the purpose of the DNS (Domain Name System)?

A) Manage database servers

B) Translate domain names to IP addresses

C) Control access to websites

D) Secure network connections

Answer: B