University of vavuniya

Clear and concise notes on Operating Systems covering all essential topics for IT students. Learn the OS role, bootstrapping, memory, process, file, and device management, CLI & GUI interfaces, and key features of UNIX, Linux, Windows, macOS, and Android. Perfect for exam prep and assignments.

This document provides comprehensive notes on the Morphology of Flowering Plants, written in a clear and exam-friendly way. It covers: Introduction: definition, importance of morphology, and evolution of flowering plants. Root System: taproot, fibrous root, adventitious root – functions and examples. Shoot System: structure, characteristics, and modifications of stem (suckers, runners, tubers, rhizome, tendrils, thorns, cladode). Leaves: structure, types (simple & compound), venati...

This document provides comprehensive notes on Computer Networks with clear explanations, diagrams, and examples. It covers: Network Topologies: star, ring, bus, and mesh with uses and limitations. Network Types: PAN, LAN, MAN, WAN with practical applications. Transmission Media: guided (twisted pair, coaxial, fiber optic) and wireless (Wi-Fi, NFC, LTE, 5G, satellite). Network Devices: modem, hub, switch, router, NIC with their functions. Networking Elements: computers, protocols, ...

This document provides a complete and well-structured explanation of Boolean Algebra, covering fundamental concepts, truth tables, logic gates, simplification techniques, and applications in digital electronics. It includes step-by-step examples and solved problems to make the concepts easier to understand. The notes are designed for students of computer science, mathematics, and engineering who want to strengthen their knowledge of logic and binary systems. These clear and concise notes will he...