SS1 First Term Computer Science Past Questions and Answers

SS1 (Senior Secondary School 1) computer science questions with options and answers:

 

Question: What does CPU stand for?

 

a) Central Processing Unit

b) Central Printed Unit

c) Computer Processing Unit

d) Central Peripheral Unit

Answer: a) Central Processing Unit

Question: Which programming language is known for its high-level abstraction and readability?

 

a) Java

b) Python

c) C++

d) Assembly

Answer: b) Python

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

 

a) Running applications

b) Managing hardware resources

c) Creating documents

d) Playing games

Answer: b) Managing hardware resources

Question: Which type of memory is volatile and loses its content when the power is turned off?

 

a) RAM

b) ROM

c) Cache memory

d) Hard disk

Answer: a) RAM

Question: What is the binary equivalent of the decimal number 25?

 

a) 11001

b) 10011

c) 11100

d) 10101

Answer: b) 10011

Question: In web development, what does HTML stand for?

 

a) HyperText Markup Language

b) High-level Text Machine Language

c) Hyper Transfer Markup Language

d) Hyperlink and Text Markup Language

Answer: a) HyperText Markup Language

Question: Which data type is used to store whole numbers in programming?

 

a) Float

b) Char

c) Int

d) Double

Answer: c) Int

Question: What does the acronym GUI stand for?

 

a) Graphical User Interface

b) General User Interaction

c) Graphic Unified Interface

d) General Usage Interface

Answer: a) Graphical User Interface

Question: Which networking protocol is used to retrieve emails from a mail server?

 

a) SMTP

b) POP3

c) HTTP

d) FTP

Answer: b) POP3

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

 

a) To block unauthorized access

b) To enhance internet speed

c) To store data

d) To create backups

Answer: a) To block unauthorized access

Question: Which programming construct is used for repetitive execution of a block of code?

 

a) If-else

b) Switch

c) Loop

d) Function

Answer: c) Loop

Question: What does SQL stand for in the context of databases?

 

a) Structured Query Language

b) Simple Question Language

c) System Query Language

d) Sequential Query Language

Answer: a) Structured Query Language

Question: Which file format is commonly used for compressing multiple files into a single archive?

 

a) ZIP

b) TAR

c) RAR

d) BIN

Answer: a) ZIP

Question: What is the purpose of the “if” statement in programming?

 

a) To declare variables

b) To control the flow of execution based on a condition

c) To define functions

d) To perform arithmetic operations

Answer: b) To control the flow of execution based on a condition

Question: Which of the following is a programming paradigm that uses a set of functions to perform specific tasks?

 

a) Object-Oriented Programming (OOP)

b) Procedural Programming

c) Functional Programming

d) Logical Programming

Answer: c) Functional Programming

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

 

a) Executes the program

b) Translates source code to machine code

c) Manages memory allocation

d) Handles user input

Answer: b) Translates source code to machine code

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

 

a) Assembly language

b) Machine language

c) C++

d) Binary code

Answer: c) C++

Question: What is the function of the BIOS in a computer?

 

a) Manages software applications

b) Controls hardware initialization

c) Provides internet connectivity

d) Creates graphical interfaces

Answer: b) Controls hardware initialization

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

 

a) Queue

b) Stack

c) Linked List

d) Tree

Answer: b) Stack

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

 

a) Encrypt data transmission

b) Translate domain names to IP addresses

c) Manage network security

d) Control internet speed

Answer: b) Translate domain names to IP addresses