Continuous-feed printer paper
Tue, 2010-03-30 14:44 — walkerDonor: Anonymous
Most printers in the 1970s and 1980s utilized paper with holes punched along the sides. The paper fed into a sprocket assembly, and moving sprockets engaged the holes to move the paper in a controlled way. The paper itself was a long,…
Core Memory
Tue, 2010-03-30 18:53 — walkerDonor: John David Stone
Early computer memory utilized a grid of wires; a row in the grid could represent a collection of bits (e.g., a byte or word), and different rows represented different addresses of memory. Two wires connected to each bit, and pulses of…
Core memory, 1KB
Wed, 2010-02-10 09:35 — panjiabeDonor: John David Stone
From a kit purchased at a computer museum in Boston.
Each intersection in the grid corresponds to a wire ring, whose inductive state is used to store a binary value. This memory was probably in use around 1962.
Corona Data Systems Corona PC
Wed, 2010-02-10 09:51 — panjiabeDonor: David Coahran
Received from David Coahran, 06-15-2007
The Corona PC was initially released in 1983.
Model No. from back of case: PPC400-12 Serial No. from back of case: (hard to read) Serial No. from sticker on bottom of keyboard: T 081330 85 Stickers…
Corona PC 5 1/4" disks
Mon, 2010-02-08 14:08 — walkerDonor: David Coahran
Additional software diskettes for Corona PC:
- DOS(?) 2.0
- Corona DOS 2.11 releases, getclock, setclock, D(?) (copied 8 June '07 Dr. C)
-
"Corona System Software" diskette with "Multimate 3.20" (256k) version 3.25C…
Corona PC software and manual binders
Wed, 2010-02-10 09:55 — panjiabeDonor: David Coahran
Received from David Coahran 06-15-2007
- Corona PC user's guide, DOS, PC TUTOR binder with manual and PC TUTOR floppies
- MultiMate 3.20 binder with floppies and MultiMate manual
- DOS 2.0 binder with DOS floppies and DOS manual
