Title: CH3 ??????
1? ? ? ? ?
????????? ????????? ???????
2???
3??????
4????/?????
- ????(Input Device)
- ?????????????????
- ????(Output Device)
- ??????????????????
5??/????
- ????
- ??(keyboard)
- ??(mouse)
- ????(digital camera)
- ????
- ???(monitor)
- ???(printer)
6 7????-??(keyboard)
??????
8????-??(keyboard)
????
???-???? ?????????
???-?????????? ??????????
9????-??(mouse)
??????
10????-????(digital camera)
CF? SM? MS? MMC? SD? xD?
????
CMOS CCD
?????
????
???
11????(?)
1
- ( ) Q1?????????????
- (1)?? (2)??
- (3)?? (4)???
- ( ) Q2??????????????? ?????
- (1)COM1 (2)USB
- (3)PS/2 (4)SCSI
4
12 13????-???(monitor)
CRT
LCD
14????-???(monitor)
CRT????
????
????
???-?????????????
- DAC (digital-to-analog converter) ???????????
15????-???(monitor)
CRT????
?????
????
16????-???(monitor)
LCD????
LCD??
????
17????-???(monitor)
- ?????
- ?????????
- ????
- ???????????????
- ??
- ?????????????????
- ??
- ??????????????
18????-???(printer)
- ??????????????
- ?????
- ?????????
- ?????
- ??????????????????
- ??????,????????
- ?????????
19????-???(printer)
?? ?? ?? ?? ??
??? ??? ?? ?? ??????(CPS) Characters Per Second ????-???
???? ?? ?? ??? ??????(PPM) Pages Per Minute ????-???(DPI) Dots Per Inch
???? ?? ?? ??? ??????(PPM) Pages Per Minute ????-???(DPI) Dots Per Inch
20????(?)
- ( ) Q3?????????????
- (1)??? (2)???
- (3)?? (4)???
- ( ) Q4??????????????,??
???????????????? - (1)??? (2)????
- (3)???? (4)????
3
4
21????(?)
3
- ( ) Q5?????????????? ??????????
- (1)?? (2)??
- (3)??? (4)???
- ( ) Q6??????????????1400
DPI???,??????????? - (1)?????? (2)????
- (3)???? (4)????
1
22OX ??
- ( ) Q1???(keyboard)???????
- ( ) Q2????(scanner)???????
- ( ) Q3?????(digital camera)???????
- ( ) Q4????(monitor)???????
- ( ) Q5????(printer)???????
X
O
X
X
O
23 24????
???? CMOS CCD
?? ?????????? ??????
??? ?? ??
???? ?? ??
???? ??? ???
????? ?? ??
???? ?? ??
???? ????????????????????????????????? ???????????????????????????????
Back
25?????
MMC?
CF?
SD?
SM?
MS?
xD?
Back
26 27????-???(scanner)
???????
????
????
????
28????-???(microphone)
????
????
- ADC (analog-to-digital converter) ???????????
29????-??(speaker)
????
????
- DAC (digital-to-analog converter) ???????????
30 31????-???(monitor)
?????????????? ?????1024X768??????
??(65,536?)????? ??????????MB????? ??65,536
216 1024X768X16bits12,582,912bits
???1.5MB
32????????
??? ????
?? 1 bit
16? 4 bits
256? 8 bits
?? 16 bits
?? 24 bits
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