Title: ????(Input Unit,IU)
1?2?-??????
2?????6???
- ????????????
- ????,????
- ?????,?????
- ?????
- ????,???????
- ????,????
3?2?????
- 2-1 ????????
- 2-2 ??????
- 2-3 ????????
- 2-4 ????????
42-1 ????????
- ????????
- ????(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?????????? ???????????????????????????
72-2 ??????
8???
9ISA?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?
13USB?IEEE1394
- USB(Universal Serial Bus)?????????,??????????????,
?????????USB??,????????USB2.0??????480Mbps,???????
?? - ?????????,??????127??????
- ?????(Hot Swapping)?????(PnP)????
- IEEE1394?????????????,???????400Mbps?IEEE1394?????
????DV??????????????,?????????????????????????????
???
14??????
- ?????????????
- ???????(RAM)
- ?????(ROM)
15DRAM?SRAM???
???? DRAM SRAM
????? ?? ???
???? ? ?
?? ?? ?
???? ???? ??(Cache)???
16?????(Cache)
17ROM
ROM?? ??
PROM ???????????????????
Mask PROM ???????,???????????????
EPROM ???????????????????
EEPROM ????????????????
Flash ROM ?????,??????,??????BIOS??
18Flash 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
29DVD??????
???? ????? ??????
DVD-5 ???? 4.7GB
DVD-9 ???? 8.5GB
DVD-10 ???? 9.4GB
DVD-18 ???? 17GB
302-3 ????????
31???
- ??????
- ??????
- ??????
- ?????
32???
- ????????????
- ????????????
332-4 ????????
- ?????
- ???????????????????
- ????????????
- ???????????
- ???????
- ????????
- ???????
34?????????
35????
- ??????????????,?????????????????,?????????????????
???????!