Digital DEC VT-101
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Not strictly a computer, but a computer terminal which has no inbuilt processing capability or storage.
These were used to enter and view data on DEC Minicomputer systems such as the PDP11 over an RS232 serial connection.
1978. Identical in appearance to the original VT100 (1977). Adds local echo, which was needed for using the IBM mainframes in linemode (this was before we had 3270/ASCII protocol converters like the IBM Series/1 or 7171).
Construction: Monitor + detachable keyboard Display: 24x80 or 14x132 character cells Character matrix: 7x9 with descenders Screen size: 12" diagonal (8" x 4.5" active display) Character set: Complete US ASCII (128 codes) Keys: 65 keys in ANSI X4.14-1971 typewriter layout Auxilliary keypad: 18 keys (digits, arrows, function keys) Visual indicators: 7 LEDs Interface: RS-232/V.24 Flow control: Xon/Xoff Communication Speeds: 75,110,150,300,600,1200,2400,4800,9600,19200 bps Dimensions: 14.5"x18"14.25" (monitor), 3.5"x18"x8" (keyboard) Minimum table depth: 20.25" Weight: 41 pounds
Reference Number : VT101
Date : 1st January 1978
Manufacturer : DEC
pdp11 pdp8 pdp11 pdp8 This exhibit has a reference ID of CH178. Please quote this reference ID in any communication with the Centre for Computing History.