Technical notes
This page gives access to a collection of technical notes on a variety of subjects.- 100+ coding conventions for punched tape and cards, magnetic tape, and other media
- more coding conventions
- bar code for printed software distribution
- the current loop interface
- 8" floppy disk formats
- delay line memory
- core memory
- analog computers
- papertape
- polar planimeter
- instruction reference cards
- board-level wiring techniques
- Willams tube memory
- troubles in computer conservation: some examples
- troubles with EMI-suppression capacitors
- remarkable mass storage devices
- EIA RS232C / V.24 connections
The pictures were taken from R. Lohberg and Th. Lutz: Hoe
werkt een computer?, Kluwer (Netherlands) 1968.
en-schakeling = and-circuit; of-schakeling = or-circuit;
schakelaar = switch.
April 2017
