Jss3 second Term computer studies past questions and answers
Here are 20 computer studies questions with options and answers:
Question: What does the acronym CPU stand for?
a) Central Processing Unit
b) Computer Processing Unit
c) Central Process Unit
d) Computer Peripheral Unit
Answer: a) Central Processing Unit
Question: Which programming language is often used for building dynamic web pages and server-side scripting?
a) HTML
b) Java
c) PHP
d) CSS
Answer: c) PHP
Question: What is the purpose of the BIOS (Basic Input/Output System) in a computer?
a) Manage user accounts
b) Control input devices
c) Boot the operating system
d) Run applications
Answer: c) Boot the operating system
Question: Which protocol is commonly used for sending emails?
a) HTTP
b) FTP
c) SMTP
d) DNS
Answer: c) SMTP
Question: In binary code, what does each digit represent?
a) Octal
b) Hexadecimal
c) Bit
d) Byte
Answer: c) Bit
Question: What is the purpose of the "if-else" statement in programming?
a) Loop through code
b) Define a function
c) Make decisions based on conditions
d) Print output to the console
Answer: c) Make decisions based on conditions
Question: Which of the following is an example of a high-level programming language?
a) Assembly language
b) Machine language
c) Python
d) Binary code
Answer: c) Python
Question: What is the role of RAM (Random Access Memory) in a computer system?
a) Long-term storage
b) Temporary storage for data and programs
c) Display graphics
d) Execute the operating system
Answer: b) Temporary storage for data and programs
Question: Which file format is commonly used for image files?
a) TXT
b) PDF
c) JPG
d) MP3
Answer: c) JPG
Question: What is the purpose of a router in a network?
a) Connect devices within the same network
b) Filter and forward data between networks
c) Store files
d) Control printer settings
Answer: b) Filter and forward data between networks
Question: What is SQL used for in the context of databases?
a) Styling web pages
b) Querying and managing databases
c) Creating animations
d) Writing server-side scripts
Answer: b) Querying and managing databases
Question: Which programming paradigm focuses on defining data structures and the methods that operate on them?
a) Procedural programming
b) Object-oriented programming
c) Functional programming
d) Event-driven programming
Answer: b) Object-oriented programming
Question: What is the purpose of the subnet mask in networking?
a) Identify a device on a network
b) Control access to a network
c) Specify the range of IP addresses in a network
d) Encrypt network traffic
Answer: c) Specify the range of IP addresses in a network
Question: Which type of software is designed to detect, prevent, and remove malicious software?
a) Firewall
b) Antivirus
c) Operating system
d) Database management system
Answer: b) Antivirus
Question: What is the primary function of an index in a database?
a) Sort data alphabetically
b) Speed up data retrieval
c) Encrypt stored data
d) Create backups
Answer: b) Speed up data retrieval
Question: What does the acronym HTML5 stand for?
a) Hypertext Markup Language 5
b) Hyperlink and Text Markup Language 5
c) High-Level Text Management Language 5
d) Hyper Transfer Markup Language 5
Answer: a) Hypertext Markup Language 5
Question: Which of the following is an example of a spreadsheet software?
a) Photoshop
b) Excel
c) Word
d) PowerPoint
Answer: b) Excel
Question: What is the purpose of a cache memory in a computer system?
a) Store data permanently
b) Speed up data access by storing frequently used information
c) Execute the operating system
d) Connect to external devices
Answer: b) Speed up data access by storing frequently used information
Question: In the context of web development, what does CSS stand for?
a) Computer Style Sheet
b) Central Style System
c) Cascading Style Sheet
d) Creative Style Script
Answer: c) Cascading Style Sheet
Question: Which programming language is often used for developing mobile applications?
a) Java
b) C#
c) Swift
d) Ruby
Answer: c) Swift
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