2002 March
(cc) image by jantik on Flickr
1940
Puerto RCA
conector
eléctrico
audiovisual,
radio corporation
of ámerica, cada
señal necesita su
propio cable.
1969
Puerto serie
o com
IBM PC: 7
puertos de
comunicaciones
RS-232 (estandar),
20 kbps y hasta 16
metros, adaptador
asincrono.
1972
Puerto ethernet
RJ45: redes de
cableado estructurado
(categorias 4,5,5e,6), 8
pines, conexión de internet
por router, dispositivos
estandar IEEE 802.3.
1980
puerto VGA
IBM: arreglo
de gráficos de
video, sincroniza
las señales que
controla los cañones
de eléctrones rojo,
verde y azul en el
monitor, 4 Mbyte/sec,
puerto macho de
26 pines.
1981
IBM estandar
parallel port
spp, 8 bits de
datos, 150
kbyte/sec,
conector D-25.
1993
Puerto IRDA
infrarrojo,
HP,IBM y sharp,
comunicación
inalámbrica para
computadoras, por
luz infrarroja,
velocidades 9800bps
y 4mbps, 8 bits.
1990
Puerto IEEE 1394
o firewire: 63
dispositivos, 400
Mb/s, consumo
superior al permitido
por el usb 2.0.
1996
puerto usb
universal serial
bus: ibm, intel,
compag, microsoft,
nec, digital,equipment
corporation y northem
telecom, periféricos de
bajo consumo, 127
periféricos.
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