SS1 Third Term Computer Science Past Questions and Answers

Question: What is the purpose of the “NaN” value in programming?

 

a) Not a Notification

b) Not a Null

c) Not a Number

d) No Allocation Needed

Answer: c) Not a Number

Question: Which data structure uses First In, First Out (FIFO) order?

 

a) Stack

b) Queue

c) Linked List

d) Tree

Answer: b) Queue

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

 

a) Counter Style Sheet

b) Cascading Style Sheet

c) Computer Style Sheet

d) Creative Style Sheet

Answer: b) Cascading Style Sheet

Question: What is the purpose of the “return” statement in a function?

 

a) To declare variables

b) To exit the function and return a value

c) To print output

d) To handle errors

Answer: b) To exit the function and return a value

Question: Which type of software is designed to detect and remove malicious programs?

 

a) Firewall

b) Antivirus

c) Operating System

d) Database Management System

Answer: b) Antivirus

Question: What does the acronym LAN stand for in computer networking?

 

a) Large Area Network

b) Local Area Network

c) Long-range Area Network

d) Linked Area Network

Answer: b) Local Area Network

Question: In relational databases, what is a primary key?

 

a) A key used for encryption

b) A unique identifier for each record in a table

c) A key used for sorting data

d) A key used in networking protocols

Answer: b) A unique identifier for each record in a table

Question: What is the purpose of a DNS cache?

 

a) To store website passwords

b) To improve internet speed

c) To store recent DNS lookup results

d) To encrypt data transmission

Answer: c) To store recent DNS lookup results

Question: Which of the following is an example of a non-volatile storage device?

 

a) RAM

b) SSD

c) USB Flash Drive

d) Cache Memory

Answer: b) SSD

Question: What is the function of an ifconfig command in networking?

 

a) Display information about network interfaces

b) Configure a firewall

c) Install network drivers

d) Scan for available Wi-Fi networks

Answer: a) Display information about network interfaces

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

 

a) Java

b) Python

c) C#

d) Ruby

Answer: b) Python

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

 

a) Modifying data

b) Modulating and demodulating signals for communication over a network

c) Managing memory allocation

d) Monitoring network traffic

Answer: b) Modulating and demodulating signals for communication over a network

Question: What does RAID stand for in the context of data storage?

 

a) Redundant Array of Independent Disks

b) Random Access Integrated Drive

c) Rapid Access and Input Device

d) Remote Authentication and Information Database

Answer: a) Redundant Array of Independent Disks

Question: Which type of software is designed to perform a specific task for end-users?

 

a) System software

b) Utility software

c) Application software

d) Firmware

Answer: c) Application software

Question: What is the purpose of a CASE statement in programming?

 

a) To declare variables

b) To handle exceptions

c) To control the flow of execution based on multiple conditions

d) To define functions

Answer: c) To control the flow of execution based on multiple conditions

Question: In network protocols, what does FTP stand for?

 

a) File Transfer Protocol

b) Fast Transmission Protocol

c) Firewall Transfer Protocol

d) File Tracking Protocol

Answer: a) File Transfer Protocol

Question: Which type of software is responsible for managing and controlling hardware devices?

 

a) Application software

b) System software

c) Utility software

d) Middleware

Answer: b) System software

Question: What is the purpose of the SQL SELECT statement in a database?

 

a) To insert data into a table

b) To delete records from a table

c) To retrieve data from a table

d) To update existing records in a table

Answer: c) To retrieve data from a table

Question: Which type of network topology connects each device in a series?

 

a) Bus

b) Star

c) Ring

d) Mesh

Answer: a) Bus

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

 

a) Translates high-level code to machine code

b) Converts source code to an executable file

c) Manages memory allocation

 

d) Executes the program

Answer: b) Converts source code to an executable file