3.1 การทำงานขั้นพื้นฐานของคอมพิวเตอร์

1. 33

2. 1.
2.
3.
4.

3. 1. (CAI)

4. 2. ( ATM )

5. 3.

6. 4.
5.

7. .. 2336 (Charles Babbage)
(Difference Engine)
“”

8. .. 2376 (Analytical Engine) 3

9. (difference engine) (analytical engine)
“”

11. 1. (Input Unit)
– Keyboard ()
– Mouse ()
– Scanner ()
– Webcam ()
– Microphone ()

12. 1. (Input Unit)
– Keyboard () – Mouse ()
– Scanner () - Webcam ()
– Microphone () – Touch screen ()

13. 2.(Central Processing Unit)
(Processor) (chip)
1. (Arithmetic & Logical Unit :
ALU)
2. (Control Unit)
3. (Main Memory)

14. 3.(Output Unit)
(Output Unit) 2
3.1) (Soft Copy)
– (Monitor)
– (Projector)
– (Audio Output)

15. 3.2) (Hard Copy)
– (Printer)
– (Plotter)

16. 4. (Memory Unit)
(Memory Unit) 2
4.1) (Main Memory Unit)
4.2) (Secondary Storage Unit)

17. (ROM)
(ROM : Read Only Memory) Nonvolatile
Memory ROM
(RAM)
(RAM : Random Access Memory)
Volatile Memory (Secondary Storage)

18. (Hard Disk)
(Hard Disk)
(Floppy Disk)
(Floppy Disk) (Diskette)
(Compact Disk : CD )
(CD- ROM
(Flash memory)
(Flash memory) (Electrically Erasable
Programnable Read Only Memory : EEPROM)

19. 1 (input)

20. 2 (process)
3 (storage) (hard disk) (flash drive)

21. 4 (output)

22. (Automatic Teller Machine : ATM ) 4
1.
2.
3.
4.

23. :
C
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