Computer System -IP

Computer System -IP

Input Unit/Device
1. E.g. keyboard, mouse
Output Unit(Device)
1. E.g Printer, Monitor
Computer Evolution
1. 500 BC
  1. Abacus
2. 1642
  1. Pascaline
3. 1834
  1. Analytic Engine
4. 1890
  1. Tabulating Machine
5. 1937
  1. Turning Machine
6. 1945
  1. EDVAC/ENIAC
7. 1947
  1. Transistors
8. 1970
  1. Integrated Circuits
Hardware
1. Physical Components
  1. E.g Keyboard, mouse,screen,CPU
Software
1. Computer Programs
  1. Programming language
    1. High level
      1. E.g Python, c
    2. Low level
      1. E.g Assembly
2. Application s/w
  1. General Purpose
  2. Customized s/w
3. System s/w
  1. Operation system
    1. E.g Windows, Unix, Linux
    2. Types
      1. Single user
      2. Multi user
    3. Interfaces
      1. Command based
        E.g MSDOS, Unix
      2. GUI
        E.g Windows
      3. Touched based
        E.g Android
      4. Voice Based
        E.g. Android (Google now)
      5. Gesture based
        E.g Waving,eye motion
  2. Language Translator
    1. Compiler
      1. E.g C, C++
    2. Assembler
      1. E.g Assembly
    3. Interpreter
      1. E.g Python, java
4. Utility s/w
Computer Memory
1. Units of Memory
  1. KB
  2. MB
  3. GB
  4. TB
2. Typesof Memory
  1. Primary Memory
    1. RAM(Random Access Memory)
      1. Can perform read and write operations
        Ram is volatile
    2. ROM (Read Only Memory)
      1. Only read operation performed
        Rom if non volatile
  2. Cache Memory
    1. a very high speed memory
  3. Secondary Memory
    1. to permanently store the data
3. Data Capturing, Storage, and Retrieval
  1. Data Capturing
    1. process of gathering data from different sources in digital form
  2. Data Storage
    1. process of storing the captured data for processing later.
  3. Data Retrieval
    1. fetching data from the storage devices
  4. Data Deletion and Recovery
Proprietary or Free and Open Source Software

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	Criado por Aparna Dhirde mais de 4 anos atrás