1) The document describes the basic components and evolution of computers from the 1940s to present. 2) It outlines the main parts of a computer including the input, output, processing and storage units. 3) The history discusses early mechanical calculators and computers like the ENIAC, development of integrated circuits, microprocessors and various types of modern computers.

2. 
4
Input Unit
Central Processing
Unit:CPU Output Unit)
(Secondary Storage)

3. 
ROM
ROM

4.  2
GHz )
Thermal
grease Silicone grease
20

5. 
(Power Supply)

220

6. 
dki D D
Interface PCI, AGP PCI-
Express

7. 


8. 

9. 
Sequential Access)
Address (
RAM Memory Chip
2
1.SRAM(Static RAM)
2.DRAM(Dynamic RAM)

10. 
5.25 360
(track) 40

11. 
icon)

12. 
50

13. slide rule)
. 2525

14. . 2488 . 2501
MARK I), ENIAC),
UNIVAC) . 2502 .
2506

15. . 2507
2512 Integrated
Circuit : IC)
.2513
(Very
Large Scale Integration : VLSI )

16. (Artificial Intelligence
: AI)

17.  . 2488-2501)
. 2486 John
Mouchly) J.Presper
Eckert)
Electronic Numerical Intergrator And
Calculator : ENIAC)
. 2488 John Von
Neumann)

18.  ( .2500-2507)
. 2507

19.  ( .2508-2512)
. 2508
" "
 ( .2513-2532)
Very Large Scale Intergrated circuit : VLSI)

20.  .2533-
(multitasking)
Local
Area Network : LAN
internet)

21. 
5,000
2,600
Abacus)

22.  (Microcomputer)
• (desktop computer)
• (laptop computer)
• notebook computer)
• palmtop computer)

23.  (engineering workstation)
50-100
(Million Instruction Per Second :
MIPS)
(Reduced Instruction Set Computer
:RISC)

24.  (minicomputer)
(server) (client)

25.  (mainframe computer)
 (super computer)

26.  1
keyboard
Computer
 2
Graphic Mouse
Joystick Trackball

27.  3
computer Scanner , OCR
( OCR
(Bar
code)
 4
(Speech recognition)

28.  5
Switch, Sensor

29. 
(input device)
(main memory)

30. (keyboard)
(mouse)

31. (output device)