Introduction to Computers — Components, Operations, Block Diagram & Characteristics

Introduction to Computers — Components, Operations, Block Diagram & CharacteristicsA concise, exam‑ready study resource explaining the fundamentals of computers. Covers: - Definition of a computer: An electronic device that accepts, stores, processes, and outputs data in a required format. - Father of computer: Charles Babbage; origin of the term computare (“to calculate”). - Basic operations: Inputting, storing, processing, outputting, and controlling. - Block diagram of a computer system: Input unit, CPU (control unit, ALU, memory), and output unit. - Components: - Input unit (keyboard, mouse, scanner, etc.) - CPU (Arithmetic & Logic Unit, Control Unit, Memory Unit) - Output unit (printers, display devices, disk drives) - Memory organization: Program storage, working storage, input storage, output storage. - Characteristics/advantages: High speed, accuracy, large storage capacity (with auxiliary devices), and reliability. This document is ideal for IT students, beginners in computer science, and exam preparation, offering a clear overview of computer fundamentals with structured notes and examples