Queue
Karnataka Board · Class 12 · Computer Science
Summary of Queue for Karnataka Board Class 12 Computer Science. Key concepts, important points, and chapter overview.
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Queue is a fundamental linear data structure in Computer Science that follows the First-In-First-Out (FIFO) principle. Unlike stacks which follow LIFO, queues mirror real-world scenarios like standing in line at a bank or vehicles waiting at a toll booth. This chapter explores queue operations, impl
Key Concepts
An ordered linear list where elements
An ordered linear list where elements are added at one end (REAR/TAIL) and removed from the other end (FRONT/HEAD). Follows FIFO principle where the f
First
First-In-First-Out means elements are processed in the order they arrive. Also known as First Come First Served (FCFS) approach.
ENQUEUE (insert at rear)
ENQUEUE (insert at rear), DEQUEUE (remove from front), PEEK (view front element), isEmpty (check if empty), isFull (check capacity), and size (count e
Uses Python lists with append()
Uses Python lists with append() for enqueue, pop(0) for dequeue, and len() for size checking. Functions handle overflow and underflow conditions.
Advanced queue allowing insertion and deletion
Advanced queue allowing insertion and deletion from both ends. Operations include insertFront, insertRear, deletionFront, and deletionRear.
Learning Objectives
- Understand the concept of Queue and FIFO principle
- Learn basic queue operations: enqueue, dequeue, peek, isEmpty, and size
- Implement queue using Python lists with appropriate functions
- Explore real-world applications of queues in computing and daily life
- Understand deque (double-ended queue) concept and operations
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Sources & Official References
- Karnataka SSLC — kseeb.kar.nic.in
- Dept of Pre-University Education, Karnataka
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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