24 - Glossary

  ACIA

Asynchronous Communications Interface Adaptor — this is a serial communications chip often used to implement RS-232 ports on vintage computers


  Altair

The first significant PC


  Amiga

A PC by Commodore


  AmigaDOS

The operating system of the Amiga computer


  API

Application Programmer Interface - the part of an operating system that allows an application to use its resources


  Apple

A software and hardware company


  ASCII

American Standard Code for Information Interchange


  BASIC

An early computyer language


  C

A high level computer language that is extremely efficient; so much so that some people (incorrectly) characterize it as a low-level language.


  C++

A high level language derived from C; it has more features, but tends to produce very bloated executables


  Commodore

A software and hardware company


  CP/M

A computer operating system


  CPU

Central Processing Unit, also referred to as the processor, or the microprocessor


  CSC

A computer software company


  DDA

Digital Differential Analyzer


  DIP

Dual Inline Package




  DMA

Direct Memory Access


  DOS

Disk Operating System


  FLEX

A disk operating system by TSC


  FMS

File Management System


  Forth

An early computer language, notable for taking an RPN approach.


  Frank Hogg Laboratories

A computer software company


  GIMIX

A computer hardware manufacturing company


  Hitachi

A semiconductor manufacturing company


  Host

The computer that the FLEX emulation is running on


  I/O

Input / Output


  Intel

A semiconductor manufacturing company


  k

Kilobytes - Generally 1024, or 2^10 bytes, but sometimes (sigh) 1,000 bytes


  LED

Light Emitting Diode


  MB

MegaBytes - 2^20 bytes, or 1,048,567 bytes


  MHz

MegaHertz - A million operations per second


  Micron

A computer manufacturing company


  Microsoft

A computer hardware and software company. Most notably here, the vendor of Win95 and Win98


  MITS

Micro Instrumentation and Telemetry Systems — A computer manufacturing company, initially producing computers in kit form


  Motorola

A semiconductor manufacturing company


  mS

Milliseconds — one thousandth of a second


  OS

Operating System


  PC

Personal Computer


  Pentium

A microprocessor model from Intel


  Percom

A software and hardware company


  PSYMON

A low level monitor by Percom


  R/W

Read/Write


  RAM

Random Access Memory


  ROM

Read Only Memory


  RPN

Reverse Polish Notation


  RTC

Real Time Clock


  SAS

SAS Institute, previously Lifeboat Associates, vendors of the Lattice C compiler


  SOROC

A computer terminal manufacturing company


  SS-50

The main 50-pin card bus in a SWTPC or GIMIX computer


  SWTPC

SouthWest Technical Products Corporation


  TSC

Technical Systems Consultants.


  TTL

Transistor-Transistor Logic — a technology for computer logic chips


  UC

User Command (in FLEX)


  uS

Microseconds — one millionth of a second


  VDisk

Virtual Disk - a file under the Host operating system that is treated as a disk drive by the ReFLEX emulator core


  VFP

Virtual Front Panel


  VIA

Versatile Interface Adaptor — a chip containing parallel ports, timers and so forth.


  Win95

Windows 95 - A computer operating system by Microsoft


  Win98

Windows 98 - A computer operating system by Microsoft


  Y2K

A date rollover bug that occurs due to using two digits for the year. The assumption was that no one had to worry about the first two digits, which were assumed to be "19." Unfortunately, when the year 2000 rolled around, all that software thought it was 1900, because of that assumption. Oops. FLEX date storage suffers from this problem. So welcome to the 20th century. Again. :)


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