Computer studies mock exam questions and answers

Computer studies mock exam questions and answers

Here are 20 computer studies JSS3 mock questions along with options and answers:

Question: What is the primary function of an operating system?

a) Managing hardware resources

b) Creating documents

c) Sending emails

d) Playing games

Answer: a) Managing hardware resources

Question: Which of the following is an example of a high-level programming language?

a) Assembly language

b) Python

c) Binary code

d) Machine language

Answer: b) Python

Question: What does CPU stand for?

a) Central Programming Unit

b) Central Processing Unit

c) Computer Peripheral Unit

d) Central Power Unit

Answer: b) Central Processing Unit

Question: Which type of software is designed to protect a computer from viruses and malware?

a) Word processor

b) Spreadsheet software

c) Antivirus software

d) Graphic design software

Answer: c) Antivirus software

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

a) Storing long-term data

b) Processing calculations

c) Storing temporary data for quick access

d) Cooling the CPU

Answer: c) Storing temporary data for quick access

Question: What does URL stand for?

a) Universal Resource Locator

b) Uniform Resource Language

c) Universal Reference Link

d) Uniform Reference Locator

Answer: a) Universal Resource Locator

Question: Which of the following programming languages is used for web development?

a) Java

b) C++

c) HTML

d) Pascal

Answer: c) HTML

Question: Which component of a computer is responsible for displaying visual output?

a) CPU

b) Hard drive

c) Monitor

d) Keyboard

Answer: c) Monitor

Question: What is the purpose of a firewall in network security?

a) Block unwanted emails

b) Filter website content

c) Prevent unauthorized access to a network

d) Enhance internet speed

Answer: c) Prevent unauthorized access to a network

Question: Which of the following is a storage device that uses optical technology?

a) Hard disk drive (HDD)

b) Solid-state drive (SSD)

c) Blu-ray disc

d) USB flash drive

Answer: c) Blu-ray disc

Question: What is the binary equivalent of the decimal number 15?

a) 1101

b) 1000

c) 1111

d) 1010

Answer: c) 1111

Question: Which of the following is not a web browser?

a) Google Chrome

b) Mozilla Firefox

c) Microsoft Excel

d) Safari

Answer: c) Microsoft Excel

Question: In a spreadsheet, what is the intersection of a row and column called?

a) Cell

b) Block

c) Table

d) Sheet

Answer: a) Cell

Question: Which programming construct is used to make decisions in code based on certain conditions?

a) Loop

b) Variable

c) Function

d) If statement

Answer: d) If statement

Question: What does HTTP stand for in the context of web communication?

a) Hyperlink Transfer Protocol

b) Hypertext Transfer Protocol

c) High Traffic Transfer Protocol

d) Home Targeting Transfer Protocol

Answer: b) Hypertext Transfer Protocol

Question: Which of the following is a fundamental component of a computer's motherboard?

a) Monitor

b) CPU

c) Printer

d) Keyboard

Answer: b) CPU

Question: What is the purpose of an email client?

a) To create documents

b) To play games

c) To send and receive emails

d) To design graphics

Answer: c) To send and receive emails

Question: Which type of network covers a small geographic area, such as a single building or campus?

a) LAN (Local Area Network)

b) WAN (Wide Area Network)

c) MAN (Metropolitan Area Network)

d) PAN (Personal Area Network)

Answer: a) LAN (Local Area Network)

Question: What is the process of converting human-readable code into machine code?

a) Debugging

b) Compiling

c) Programming

d) Encoding

Answer: b) Compiling

Question: What is the purpose of a modem in computer networking?

a) To amplify sound

b) To display graphics

c) To connect to the internet over telephone lines

d) To print documents

Answer: c) To connect to the internet over telephone lines.