Jss1 third term computer studies past questions and answers

 

Question: What is the purpose of the control unit in the CPU?

a) Manage input devices

b) Execute program instructions

c) Control the flow of data within the CPU

d) Store data permanently

Answer: c) Control the flow of data within the CPU

Question: In networking, what does the term “bandwidth” refer to?

 

a) The speed of data transmission

b) The storage capacity of a device

c) The size of a network

d) The physical distance between devices

Answer: a) The speed of data transmission

Question: Which programming language is often used for developing mobile applications?

 

a) Swift

b) PHP

c) C#

d) Ruby on Rails

Answer: a) Swift

Question: What is the function of an assembler in the context of programming languages?

 

a) Convert high-level code into machine code

b) Manage database queries

c) Create graphical interfaces

d) Control network communication

Answer: a) Convert high-level code into machine code

Question: Which database model organizes data in tables with relationships between them?

 

a) Hierarchical

b) Network

c) Relational

d) Object-Oriented

Answer: c) Relational

Question: What is the purpose of a VPN (Virtual Private Network)?

 

a) Increase internet speed

b) Securely connect to a private network over the internet

c) Control access to websites

d) Manage file storage

Answer: b) Securely connect to a private network over the internet

Question: Which programming paradigm focuses on writing procedures or routines to perform tasks?

 

a) Procedural programming

b) Event-driven programming

c) Object-oriented programming (OOP)

d) Functional programming

Answer: a) Procedural programming

Question: What is the purpose of the POST (Power-On Self-Test) during a computer’s boot process?

 

a) Connect to the internet

b) Check and initialize hardware components

c) Load the operating system

d) Manage user accounts

Answer: b) Check and initialize hardware components

Question: Which type of software is designed to create and edit videos?

 

a) Word processing software

b) Video editing software

c) Graphics software

d) Spreadsheet software

Answer: b) Video editing software

Question: What is the purpose of a version control system (VCS) in software development?

 

a) Manage internet speed

b) Track changes to code and collaborate among developers

c) Execute program instructions

d) Control network communication

Answer: b) Track changes to code and collaborate among developers

Question: In the context of web development, what does CSS stand for?

 

a) Computer Style Sheet

b) Creative Style System

c) Cascading Style Sheet

d) Content Styling System

Answer: c) Cascading Style Sheet

Question: Which type of software allows users to create and manage databases?

 

a) Word processing software

b) Database software

c) Spreadsheet software

d) Presentation software

Answer: b) Database software

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

 

a) Control network connections

b) Manage hardware resources

c) Organize and store files on storage devices

d) Create and edit documents

Answer: c) Organize and store files on storage devices

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

 

a) Assembly language

b) Machine language

c) Java

d) Binary code

Answer: c) Java

Question: What is the purpose of a QR code in mobile applications?

 

a) Connect to the internet

b) Store contact information

c) Display advertisements

d) Quickly access information using a camera

Answer: d) Quickly access information using a camera

Question: In a computer network, what is the role of a switch?

 

a) Connect devices wirelessly

b) Connect devices within the same network

c) Translate domain names to IP addresses

d) Provide internet access to multiple devices

Answer: b) Connect devices within the same network

Question: Which file format is commonly used for vector graphics on the web?

 

a) .jpg

b) .gif

c) .png

d) .svg

Answer: d) .svg

Question: What is the purpose of a DNS cache?

 

a) Increase internet speed

b) Store website data temporarily for quick access

c) Manage file storage

d) Create web pages

Answer: b) Store website data temporarily for quick access

Question: Which programming language is often used for scientific computing and data analysis?

 

a) Python

b) Ruby

c) PHP

d) C#

Answer: a) Python

Question: What is the purpose of a compiler optimization in programming?

 

a) Increase code readability

b) Improve program performance and efficiency

c) Manage database queries

d) Control network communication

Answer: b) Improve program performance and efficiency