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????(Input Unit,IU)

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Title: ????(Input Unit,IU)


1
?2?-??????
2
?????6???
  1. ????????????
  2. ????,????
  3. ?????,?????
  4. ?????
  5. ????,???????
  6. ????,????

3
?2?????
  • 2-1 ????????
  • 2-2 ??????
  • 2-3 ????????
  • 2-4 ????????

4
2-1 ????????
  • ????????
  • ????(Input Unit,IU)
  • ????(Control Unit,CU)
  • ??/????(Arithmetic/Logic Unit,ALU)
  • ????(Memory Unit,MU)
  • ????(Output Unit,OU)

5
????????????
6
????????
????? ??? ??
???? (Data bus) ?? ????????????? ?????????????????????????????????????????????,????????????????
????? (Control bus) ?? ?CPU????????????
????? (Address bus) ?? ?CPU?????????? ???????????????????????????
7
2-2 ??????
8
???
9
ISA?PCI Express
  • ISA????????ISA(Industry Standard
    Architecture,??????)???,?????,???????????,????????
    ???????PCI?AGP???
  • PCI Express?????,????????????(??16GB/Sec)?X1X32?
    ????????(Peer to Peer)??????(Serial)??????????PCI?
    AGP??,??????????,??????????

10
??
??(?)IDE??,(?)?????
11
???????
????
????
????
??????
? SCSI?
12
????????
???? ??????? ?????? ?????????
IDE ????? 160MB/sec 4?
SATA ????? SATA 1.0150 MB/sec SATA 2.0300 MB/sec SATA 3.0600 MB/sec ??SATA????? 1???????, ?????Jumper?? ??
SCSI ?????????? 320MB/sec 8?16?
USB ?????????? 480MB/sec 127?
IEEE 1394 ????? 400MB/sec 63?
13
USB?IEEE1394
  • USB(Universal Serial Bus)?????????,??????????????,
    ?????????USB??,????????USB2.0??????480Mbps,???????
    ??
  • ?????????,??????127??????
  • ?????(Hot Swapping)?????(PnP)????
  • IEEE1394?????????????,???????400Mbps?IEEE1394?????
    ????DV??????????????,?????????????????????????????
    ???

14
??????
  • ?????????????
  • ???????(RAM)
  • ?????(ROM)

15
DRAM?SRAM???
???? DRAM SRAM
????? ?? ???
???? ? ?
?? ?? ?
???? ???? ??(Cache)???
16
?????(Cache)
17
ROM
ROM?? ??
PROM ???????????????????
Mask PROM ???????,???????????????
EPROM ???????????????????
EEPROM ????????????????
Flash ROM ?????,??????,??????BIOS??
18
Flash ROM
  • ???????,?????????,???????BIOS????????BIOS(Basic
    Input-Output System)??ROM???,?????????????????????

19
???????
  • ??????????????????? ?

20
???????
?? ?? ??
3.5? 1.44MB ?????????
5.25? 1.2MB ???,????,??? ???
21
??????
22
????
  • ????????????????????????????????????
  • ??????3.5?????????,???80???,??????18???,????????51
    2Bytes,???3.5????????2?80?18?512Bytes
    1474560Bytes 1.44Mbytes?

23
???
  • ???????????????
  • ??????????????????????15????????
  • ???????????
  • ???????????

24
??????
  • Bit???????,???0?1?
  • Byte?8?Bit??,???????????
  • KB(Kilo byte)210 Bytes?
  • MB(Mega byte)220 Bytes?
  • GB(Giga byte)230 Bytes?
  • TB(Tera byte)240 Bytes?

25
??????
????
??????
???
??
?????
26
???????
?????????????2/1000000?,??????!
27
??????
  • ????????????????

28
??????
  • ??????????????
  • CD-ROM
  • CD-R
  • CD-RW
  • MO
  • DVD

29
DVD??????
???? ????? ??????
DVD-5 ???? 4.7GB
DVD-9 ???? 8.5GB
DVD-10 ???? 9.4GB
DVD-18 ???? 17GB
30
2-3 ????????
31
???
  • ??????
  • ??????
  • ??????
  • ?????

32
???
  • ????????????
  • ????????????

33
2-4 ????????
  • ?????
  • ???????????????????
  • ????????????
  • ???????????
  • ???????
  • ????????
  • ???????

34
?????????
35
????
  • ??????????????,?????????????????,?????????????????
    ???????!
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