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Grade 11 - Computer Science

UNIT-1: COMPUTER FUNDAMENTALS

Chapter 1: Computer Fundamentals

Outline

  1. Evolution of computers: Early Calculating Devices
    • Abacus
    • Napier’s Logs and Bones
    • Pascaline
    • Leibnitz's Calculator
    • Jacquard's Loom
    • Difference Engine and Analytical Engine
    • Mark 1
  2. Generation of Computers
    • The First Generation (1942-1955)
    • The Second Generation (1955–1964)
    • The Third Generation (1964-1975)
    • The Fourth Generation (1975 onwards)
    • Fifth Generation Computers
  3. Computer - Data and Information
  4. Functional Components of a Computer
    • Input Unit
    • Central Processing Unit (CPU)
    • Arithmetic and Logic Unit (ALU)
    • Control Unit
    • Memory Registers
    • Memory
    • Output Unit
  5. Interconnection between Functional Components
  6. Concept of Booting
  7. Classification of Computers
    • Digital Computers
    • Analog Computers
    • Hybrid Computers
  8. Classification of Digital Computers
    • Micro Computers
    • Mini Computers
    • Main Frames
    • Super Computers