Information Communication Technology (ICT)
Maharashtra Board · Class 9 · Science
Quick revision notes for Information Communication Technology (ICT) — Maharashtra Board Class 9 Science. Key concepts, formulas, and definitions for last-minute revision.
Key Topics to Revise
Introduction to ICT and Its Importance
- ICT includes communication devices, their usage, and related services
- The information explosion due to scientific advances requires ICT to prevent knowledge from becoming outdated
- ICT devices are used for producing, communicating, classifying, storing, and managing information
Computer Generations and Evolution
- Computers have evolved through five generations since 1946
- First generation (1946-1959): Used valves, large size, high electricity consumption, frequent shutdowns due to heat
- ENIAC was a famous first-generation computer
Computer Components and Memory Types
- Memory stores input data and computer-generated solutions
- Two main memory types: Internal and External
- Internal memory has two types: RAM and ROM
Operating System and Software Components
- Operating system provides communication between computer and user
- Also called DOS (Disk Operating System)
- Computer cannot work without an operating system
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What are the important topics in Information Communication Technology (ICT) for Maharashtra Board Class 9 Science?
Information Communication Technology (ICT) covers several key topics that are frequently asked in Maharashtra Board Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
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