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Computer Full Details

๐Ÿ’ป Computer Full Details from Beginning

1. What is a Computer?

A computer is an electronic device that takes input, processes it, stores it, and gives output.

Input โžก Processing โžก Storage โžก Output

2. History of Computers

Generations of Computers:

Generation Time Period Technology Example
1st1940โ€“1956Vacuum TubesENIAC
2nd1956โ€“1963TransistorsIBM 1401
3rd1964โ€“1971Integrated CircuitsIBM 360
4th1971โ€“PresentMicroprocessorsIntel 4004, PCs
5thPresentโ€“FutureAI, QuantumChatGPT, Quantum PCs

3. Main Components of a Computer

Hardware

Software

4. How Computers Work

  1. You give input (e.g., typing).
  2. CPU processes the input.
  3. RAM temporarily stores the data.
  4. Data saved in SSD/HDD.
  5. Output is shown or printed.

5. Types of Computers

6. Basic Computer Terms

TermMeaning
OSOperating System
BitSmallest data unit (0 or 1)
Byte8 bits
GUIGraphical User Interface
LANLocal Area Network
URLWeb address

7. Modern Computer Technologies

8. Basic Computer Skills You Should Learn