Data Structures & Algorithms
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Master computer science concepts with our comprehensive MCQs. This section covers Artificial Intelligence, Programming, Data Structures, and more. Perfect for exam prep and interviews.
All Questions for: Data Structures & Algorithms
Question 1: Which data structure follows the First-In-First-Out (FIFO) principle?
- A Stack
- B Queue
- C Array
- D Linked List
Explanation: A queue is a linear data structure that follows the FIFO principle, where the element inserted first is the one to be removed first. A stack, on the other hand, follows LIFO (Last-In-First-Out).
Question 2: What is the primary purpose of an operating system?
- A To provide a graphical user interface
- B To manage hardware and software resources
- C To compile source code into machine code
- D To connect to the internet
Explanation: An operating system manages computer hardware and software resources and provides common services for computer programs. It acts as an intermediary between the user and the hardware.
Question 3: Which protocol is used for secure communication over a computer network?
- A HTTP
- B FTP
- C HTTPS
- D SMTP
Explanation: HTTPS (Hypertext Transfer Protocol Secure) is an extension of HTTP and uses TLS/SSL to encrypt communication between a client and a server, ensuring data privacy and integrity.
Question 4: What does SQL stand for?
- A Standard Query Language
- B Structured Query Language
- C Simple Query Language
- D Sequential Query Language
Explanation: SQL stands for Structured Query Language. It is the standard language for relational database management systems and is used for querying, inserting, updating, and deleting data.