Question 1

What is the time complexity of accessing an element in an array?

Accepted Answer

O(1)

Answer

O(n)

Answer

O(n^2)

Answer

O(log n)

Question 2

Which data structure uses Last In First Out (LIFO) principle?

Accepted Answer

Stack

Answer

Queue

Answer

Array

Answer

Linked List

Question 3

What is the primary function of an operating system?

Accepted Answer

Manage hardware and software resources

Answer

Connect to the internet

Answer

Design user interfaces

Answer

Compile programs

Question 4

Which algorithm is commonly used for sorting a list in ascending order?

Accepted Answer

Quick Sort

Answer

Dijkstra's Algorithm

Answer

Breadth-First Search

Answer

Binary Search

Question 5

Which of the following best describes a class in object-oriented programming?

Accepted Answer

A blueprint for creating objects

Answer

A type of variable

Answer

A collection of functions

Answer

A method for code execution

Question 6

Which of the following is a key feature of algorithms?

Accepted Answer

Finiteness

Answer

Incompressibility

Answer

Complexity

Answer

Variability

Question 7

What is the purpose of a database management system (DBMS)?

Accepted Answer

To manage and organize data

Answer

To write code

Answer

To run applications

Answer

To create user interfaces

Question 8

In networking, what does the term 'bandwidth' refer to?

Accepted Answer

The maximum data transfer rate of a network

Answer

The total number of devices connected

Answer

The type of network topology used

Answer

The physical distance of the network

Question 9

What is recursion in programming?

Accepted Answer

A function that calls itself

Answer

A way to store data

Answer

A technique to optimize loops

Answer

An operation on arrays

Question 10

What does 'API' stand for in software development?

Accepted Answer

Application Programming Interface

Answer

Advanced Programming Interface

Answer

Application Protocol Interface

Answer

Automated Program Interface

Question 11

Which of the following is an essential characteristic of object-oriented programming?

Accepted Answer

Encapsulation

Answer

Interpretation

Answer

Compilation

Answer

Debugging

Question 12

What is the main purpose of an API (Application Programming Interface)?

Accepted Answer

To allow different software applications to communicate with each other

Answer

To provide security for data storage

Answer

To compile programming languages

Answer

To design user interfaces

Question 13

What is the purpose of a compiler in computer science?

Accepted Answer

To translate high-level source code into machine code

Answer

To execute programs directly without translation

Answer

To store data permanently on disk

Answer

To manage memory allocation and deallocation

Question 14

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

Accepted Answer

Python

Answer

C++ (in low-level context)

Answer

Machine Code

Answer

Assembly Language

Question 15

Which of the following is a non-volatile storage medium?

Accepted Answer

SSD

Answer

RAM

Answer

Registers

Answer

Cache Memory

Question 16

Which of the following is a characteristic of a relational database?

Accepted Answer

Data is stored in tables with relationships between them

Answer

Data is stored in hierarchical structures

Answer

Data is stored as flat files

Answer

Data is stored in key-value pairs

Question 17

Which protocol is commonly used for secure data transmission over the internet?

Accepted Answer

HTTPS

Answer

HTTP

Answer

FTP

Answer

SMTP

Question 18

What is the purpose of an algorithm in computer science?

Accepted Answer

To provide a step-by-step solution to a problem

Answer

To compile source code

Answer

To store data permanently

Answer

To create graphical user interfaces

Question 19

What is a primary key in a database?

Accepted Answer

A unique identifier for a record in a table

Answer

A type of database query

Answer

A way to encrypt data

Answer

A method for linking tables

Question 20

What is the purpose of the 'fetch' method in JavaScript?

Accepted Answer

To retrieve data from a network resource

Answer

To send data to a database

Answer

To define a new function

Answer

To manipulate the DOM

Question 21

Which sorting algorithm divides the input into two halves?

Accepted Answer

Merge sort

Answer

Insertion sort

Answer

Bubble sort

Answer

Selection sort

Question 22

What does the term 'functional programming' primarily emphasize?

Accepted Answer

The use of pure functions and avoiding side effects

Answer

The implementation of algorithms in a step-by-step manner

Answer

The use of objects and classes

Answer

The manipulation of global state

Question 23

What is the main benefit of using version control systems like Git?

Accepted Answer

To track changes and collaborate on projects

Answer

To improve the visual design of applications

Answer

To debug code more effectively

Answer

To run programs faster

Question 24

Which type of connection does a 'client-server' architecture use?

Accepted Answer

A centralized model where clients request resources from a server

Answer

A direct peer-to-peer model without intermediaries

Answer

An isolated model where clients communicate in isolation

Answer

A decentralized model with no central authority

Question 25

Which sorting algorithm has the best average-case time complexity?

Accepted Answer

Merge Sort

Answer

Selection Sort

Answer

Insertion Sort

Answer

Bubble Sort

Question 26

Which of the following is NOT a characteristic of high-level programming languages?

Accepted Answer

Machine dependency

Answer

Abstraction

Answer

Portability

Answer

Ease of use

Question 27

What does HTML stand for in web development?

Accepted Answer

HyperText Markup Language

Answer

High Text Markup Language

Answer

Hyperlink and Text Markup Language

Answer

HyperText Machine Language

Question 28

Which type of loop will always execute at least once, regardless of the condition?

Accepted Answer

Do-While loop

Answer

Infinite loop

Answer

While loop

Answer

For loop

Question 29

In the context of relational databases, what does SQL stand for?

Accepted Answer

Structured Query Language

Answer

Sequential Query Language

Answer

Synthesized Query Language

Answer

Simple Query Language

Question 30

What is a main purpose of a firewall in computer networks?

Accepted Answer

To monitor and control incoming and outgoing network traffic

Answer

To increase internet speed

Answer

To provide antivirus protection

Answer

To serve as a web server

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