gptkbp:instanceOf
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gptkb:personal_computer
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gptkbp:audio
|
internal speaker
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gptkbp:brand
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gptkb:Radio_Shack
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gptkbp:category
|
gptkb:personal_computer
mainframe computer
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gptkbp:color
|
gray
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gptkbp:countryOfOrigin
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gptkb:United_States
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gptkbp:discontinued
|
1981
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gptkbp:displayType
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CRT monitor
monochrome
64x16 text
128x48 graphics
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gptkbp:expansion
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Expansion Interface
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https://www.w3.org/2000/01/rdf-schema#label
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TRS-80 personal computer
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gptkbp:input
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gptkb:keyboard
cassette interface
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gptkbp:introduced
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1977
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gptkbp:key
|
gptkb:QWERTY
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gptkbp:mainboard
|
single board
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gptkbp:manufacturer
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gptkb:Tandy_Corporation
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gptkbp:marketedAs
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gptkb:Model_I
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gptkbp:nickname
|
gptkb:Trash-80
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gptkbp:notable_for
|
one of the first mass-produced personal computers
|
gptkbp:notableUser
|
gptkb:Bill_Gates_(Microsoft_BASIC)
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gptkbp:operatingSystem
|
gptkb:BASIC
gptkb:TRSDOS
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gptkbp:output
|
composite
|
gptkbp:parallel_port
|
yes
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gptkbp:peripherals
|
gptkb:DVD
gptkb:print
modem
|
gptkbp:powerSource
|
external
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gptkbp:processor
|
gptkb:Zilog_Z80
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gptkbp:publicTransit
|
proprietary expansion bus
|
gptkbp:RAM
|
4 KB
16 KB
48 KB
|
gptkbp:sells
|
gptkb:Radio_Shack_stores
|
gptkbp:serial_ports
|
yes
|
gptkbp:software
|
gptkb:TRSDOS
CP/M (with modifications)
Level I BASIC
Level II BASIC
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gptkbp:speed
|
1.77 MHz
|
gptkbp:storage
|
gptkb:DVD
cassette tape
|
gptkbp:successor
|
gptkb:TRS-80_Model_III
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gptkbp:weight
|
approx. 10 lbs (base unit)
|
gptkbp:bfsParent
|
gptkb:John_Roach
|
gptkbp:bfsLayer
|
7
|