Difference between revisions of "User:Jnc"

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Although I have a wide interest in older computers, I worked with [[PDP-11]]'s very extensively 'back in the day', and consider them perhaps the most elegant architecture ever devised (the power and flexibility they obtained with only 16-bit wide instructions were a revelation when they first appeared), so I have focused on them.
+
Although I have a wide interest in older computers, I worked with [[PDP-11]]'s ''extremely'' extensively 'back in the day', and consider them perhaps the most elegant architecture ever devised (the power and flexibility they obtained with only 16-bit wide instructions were a revelation when they first appeared), so I have focused on them.
  
 
For more about me, see my [http://www.chiappa.net/~jnc home page].
 
For more about me, see my [http://www.chiappa.net/~jnc home page].
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==Prototypes==
 
==Prototypes==
  
'μ'
+
"μ"
  
 
'''xxx''' might refer to:
 
'''xxx''' might refer to:
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* [[Computer History Wiki:News]]
 
* [[Computer History Wiki:News]]
 
* [[MediaWiki:Sidebar]]
 
* [[MediaWiki:Sidebar]]
 +
* [http://gunkies.org/w/index.php?title=Special%3APrefixIndex&prefix=Jnc&namespace=2 My pages]
 +
* [[User:Jnc/ToCat|ToCat]]
  
 
==Pages I have added==
 
==Pages I have added==
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- [[Current]]
 
- [[Current]]
 
- [[Voltage]]
 
- [[Voltage]]
 +
- [[Resistor]]
 +
- [[Capacitor]]
 +
- [[Inductor]]
 
- [[Conductor]]
 
- [[Conductor]]
 
- [[Insulator]]
 
- [[Insulator]]
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- [[Alternating current]]
 
- [[Alternating current]]
 
- [[Frequency]]
 
- [[Frequency]]
 +
- [[Impedance]]
 
<!-- </small> -->
 
<!-- </small> -->
  
 
<!-- <small> -->
 
<!-- <small> -->
[[Resistor]]
+
[[Transmission line‎]]
- [[Capacitor]]
+
- [[Terminator‎]]
- [[Inductor]]
+
- [[Single-ended signalling‎]]
- [[Semiconductor]]
+
- [[Differential pair]]
 
<!-- </small> -->
 
<!-- </small> -->
  
 
<!-- <small> -->
 
<!-- <small> -->
[[Electronic]]
+
[[Semiconductor]]
 +
- [[Electronic]]
 
- [[Vacuum tube]]
 
- [[Vacuum tube]]
 
- [[Diode]]
 
- [[Diode]]
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<!-- <small> -->
 
<!-- <small> -->
 
[[Power supply‎]]
 
[[Power supply‎]]
 +
- [[Harness]]
 
- [[Analog]]
 
- [[Analog]]
 
- [[Digital]]
 
- [[Digital]]
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- [[Synchronizer]]
 
- [[Synchronizer]]
 
- [[Arbiter]]
 
- [[Arbiter]]
 +
- [[Clock]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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- [[Binary-coded decimal]]
 
- [[Binary-coded decimal]]
 
- [[Floating point]]
 
- [[Floating point]]
 +
- [[Character]]
 
- [[ASCII]]
 
- [[ASCII]]
 
<!-- </small> -->
 
<!-- </small> -->
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[[Gray code]]
 
[[Gray code]]
 
- [[Parity]]
 
- [[Parity]]
 +
- [[Checksum]]
 
- [[Cyclic redundancy check‎]]
 
- [[Cyclic redundancy check‎]]
 
- [[Error-correcting code]]
 
- [[Error-correcting code]]
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<!-- <small> -->
 
<!-- <small> -->
[[Pipeline]]
+
[[Access time]]
- [[Microcode]]
+
- [[Cycle time]]
 +
- [[Interleaving]]
 
- [[Cache]]
 
- [[Cache]]
 
- [[Multi-port memory]]
 
- [[Multi-port memory]]
 +
- [[Pipeline]]
 +
- [[Microcode]]
 +
- [[Firmware]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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- [[Device controller]]
 
- [[Device controller]]
 
- [[Secondary storage]]
 
- [[Secondary storage]]
 +
- [[Drive]]
 
- [[Front end]]
 
- [[Front end]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[Interrupt]]
 +
- [[Direct Memory Access]]
 +
- [[Programmed I/O]]
 +
- [[Trap]]
 
<!-- </small> -->
 
<!-- </small> -->
  
 
<!-- </small> -->
 
<!-- </small> -->
 
[[Address space]]
 
[[Address space]]
- [[Segmentation]]
+
- [[Segment]]
 
- [[Memory management‎]]
 
- [[Memory management‎]]
 
- [[Base and bounds]]
 
- [[Base and bounds]]
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<!-- <small> -->
 
<!-- <small> -->
 
[[Bootstrap]]
 
[[Bootstrap]]
 +
- [[Diagnostic]]
 
- [[Simulator]]
 
- [[Simulator]]
 
- [[Emulator]]
 
- [[Emulator]]
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- [[Cross-compiler]]
 
- [[Cross-compiler]]
 
- [[Interpreter]]
 
- [[Interpreter]]
 +
- [[Portable]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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[[Batch]]
 
[[Batch]]
 
- [[Multitasking]]
 
- [[Multitasking]]
 +
- [[Kernel]]
 
- [[Process]]
 
- [[Process]]
 
- [[Virtual machine]]
 
- [[Virtual machine]]
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[[File]]
 
[[File]]
 
- [[File system]]
 
- [[File system]]
 +
- [[Hard link]]
 
- [[Byte stream‎]]
 
- [[Byte stream‎]]
- [[Command processor]]
 
- [[DOS]]
 
 
<!-- </small> -->
 
<!-- </small> -->
  
 
<!-- <small> -->
 
<!-- <small> -->
[[Interrupt]]
+
[[User interface]]
- [[Direct Memory Access]]
+
- [[Command processor]]
- [[Programmed I/O]]
+
- [[Application]]
- [[Trap]]
+
- [[Editor]]
 +
- [[Text editor]]
 +
- [[Screen editor]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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[[Core memory]]
 
[[Core memory]]
 
- [[Dynamic RAM]]
 
- [[Dynamic RAM]]
 +
- [[Refresh]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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[[Punched card]]
 
[[Punched card]]
 
- [[Paper tape]]
 
- [[Paper tape]]
 +
- [[Terminal]]
 +
- [[Keyboard]]
 +
- [[Printing terminal]]
 
- [[Teletype]]
 
- [[Teletype]]
 +
- [[Mouse]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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- [[20mA current loop serial line interface]]
 
- [[20mA current loop serial line interface]]
 
- [[EIA RS-232 serial line interface]]
 
- [[EIA RS-232 serial line interface]]
 +
- [[EIA RS-422 serial line interface]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[Cathode Ray Tube]]
 +
- [[Cursor]]
 +
- [[Character generator]]
 +
- [[Video terminal]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[SCSI]]
 +
- [[Line time clock‎]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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<!-- <small> -->
 
<!-- <small> -->
 
[[User]]
 
[[User]]
 +
- [[Multi-user]]
 +
- [[End-user]]
 
- [[Original Equipment Manufacturer]]
 
- [[Original Equipment Manufacturer]]
- [[End-user]]
 
 
<!-- </small> -->
 
<!-- </small> -->
  
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[[H960 rack]]
 
[[H960 rack]]
 
- [[BA11 mounting boxes]]
 
- [[BA11 mounting boxes]]
- [[BA11 mounting box]]
+
<!-- </small> -->
 +
 
 +
<!-- <small> -->
 +
[[BA11 mounting box]]
 +
- [[BA11-F Mounting Box]]
 
- [[BA11-K mounting box]]
 
- [[BA11-K mounting box]]
 
- [[BA11-L mounting box]]
 
- [[BA11-L mounting box]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[BA11-M mounting box]]
 +
- [[BA11-N mounting box]]
 +
- [[BA11-S mounting box]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[H742 Power Supply]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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- [[MM11-U core memory]]
 
- [[MM11-U core memory]]
 
- [[MS11 32KB MOS memory]]
 
- [[MS11 32KB MOS memory]]
 +
- [[MS11-L MOS memory‎‎]]
 +
- [[MS11-P MOS memory]]
 
<!-- </small> -->
 
<!-- </small> -->
  
 
<!-- <small> -->
 
<!-- <small> -->
 
[[QBUS memories]]
 
[[QBUS memories]]
 +
- [[MMV11-A QBUS core memory|MMV11-A]]
 
- [[CMV-504|CMV-[25]xx]]
 
- [[CMV-504|CMV-[25]xx]]
 
- [[CMV-4000|CMV-[14]000]]
 
- [[CMV-4000|CMV-[14]000]]
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- [[RX11 floppy disk controller]]
 
- [[RX11 floppy disk controller]]
 
- [[RX211 floppy disk controller‎]]
 
- [[RX211 floppy disk controller‎]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[RK02 disk drive]]
 +
- [[RP02 disk drive]]
 +
- [[RP03 disk drive]]
 +
- [[RP04 disk drive]]
 +
- [[RX0x floppy drive]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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<!-- <small> -->
 
<!-- <small> -->
 
[[KW11-L Line Time Clock]]
 
[[KW11-L Line Time Clock]]
- [[DR11 parallel interface]]
+
- [[VT11 Graphic Display Processor]]
 +
<!-- </small> -->
 +
 
 +
<!-- <small> -->
 +
[[DR11 parallel interface]]
 
- [[DR11-B parallel interface]]
 
- [[DR11-B parallel interface]]
 
<!-- </small> -->
 
<!-- </small> -->
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<!-- <small> -->
 
<!-- <small> -->
[[RK02 disk drive]]
+
[[PC04/PC05 Paper-Tape Reader/Punch]]
- [[RP02 disk drive]]
 
- [[RP03 disk drive]]
 
- [[RP04 disk drive]]
 
- [[RX0x floppy drive]]
 
 
<!-- </small> -->
 
<!-- </small> -->
  
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- [[Intel]]
 
- [[Intel]]
 
- [[MIPS]]
 
- [[MIPS]]
 +
- [[Data General]]
 
- [[Xerox]]
 
- [[Xerox]]
 
<!-- <small> -->
 
<!-- <small> -->
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- [[IBM 7094]]
 
- [[IBM 7094]]
 
- [[Honeywell 6000 series‎‎]]
 
- [[Honeywell 6000 series‎‎]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[Data General Nova 3]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[Xerox Alto]]
 +
- [[IBM PC‎]]
 +
- [[IBM-compatible PC]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[Lear Siegler ADM-3A]]
 +
- [[Term-Mite ST Smart Terminal]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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<!-- <small> -->
 
<!-- <small> -->
[[Xerox Alto]]
+
[[National Semiconductor NS405 and NS455 Terminal Management Processor]]
- [[IBM PC‎]]
 
- [[IBM-compatible PC]]
 
 
<!-- </small> -->
 
<!-- </small> -->
  
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- [[Typesetter C]]
 
- [[Typesetter C]]
 
<!-- </small> -->
 
<!-- </small> -->
 +
 +
<!-- </small> -->
 +
[[Vi editor]]
 +
<!-- <small> -->
  
 
<!-- <small> -->
 
<!-- <small> -->
 
[[Communication network]]
 
[[Communication network]]
 +
- [[Reliable byte stream‎]]
 +
- [[Protocol]]
 +
- [[Protocol suite]]
 
- [[Circuit-switching]]
 
- [[Circuit-switching]]
- [[Packet]]
+
- [[Host]]
 +
<!-- </small> -->
 +
 
 +
<!-- <small> -->
 +
[[Packet]]
 
- [[Datagram]]
 
- [[Datagram]]
 +
- [[Physical network]]
 
- [[Packet switch]]
 
- [[Packet switch]]
- [[Host]]
+
- [[Internetwork]]
 +
- [[Router]]
 +
- [[Internetworking layer]]
 
<!-- </small> -->
 
<!-- </small> -->
  
 
<!-- <small> -->
 
<!-- <small> -->
[[Reliable byte stream‎]]
+
[[Sequence number‎]]
- [[Protocol]]
+
- [[Acknowledgement]]
- [[Protocol suite]]
+
- [[Timeout]]
 +
- [[Retransmission]]
 
- [[Big-endian]]
 
- [[Big-endian]]
 
- [[Little-endian]]
 
- [[Little-endian]]
 +
- [[Local area network‎]]
 
<!-- </small> -->
 
<!-- </small> -->
  
 
<!-- <small> -->
 
<!-- <small> -->
 
[[Host-to-IMP Protocol‎]]  
 
[[Host-to-IMP Protocol‎]]  
- [[Local area network‎]]
+
- [[PARC Universal Packet]]
 
- [[Internet]]
 
- [[Internet]]
 +
- [[Internet Protocol]]
 +
- [[Transmission Control Protocol]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[Telnet]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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<!-- <small> -->
 
<!-- <small> -->
 
[[Operating system]]
 
[[Operating system]]
 +
- [[Symbolic link]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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- [[KDJ11-A CPU]]
 
- [[KDJ11-A CPU]]
 
- [[J-11 chip set]]
 
- [[J-11 chip set]]
 +
<!-- </small> -->
 +
 +
<!-- <small> -->
 +
[[MSV11-J QBUS memory]]
 
<!-- </small> -->
 
<!-- </small> -->
  
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- [[Network Control Program]]
 
- [[Network Control Program]]
 
- [[Ethernet]]
 
- [[Ethernet]]
 +
- [[TCP/IP]]
 
<!-- </small> -->
 
<!-- </small> -->

Latest revision as of 02:55, 4 August 2018

Although I have a wide interest in older computers, I worked with PDP-11's extremely extensively 'back in the day', and consider them perhaps the most elegant architecture ever devised (the power and flexibility they obtained with only 16-bit wide instructions were a revelation when they first appeared), so I have focused on them.

For more about me, see my home page.

Also, I'm an admin here on the CHWiki, so if there are any admin-type tasks you need doing (e.g. deleting a page with a typo in the name; merging edit histories; etc) just drop me a line.

Prototypes

"μ"

xxx might refer to:

{disambiguation}}

Useful links

Pages I have added

Architecture - Hierarchy - Interface - Network - Address

Electron - Current - Voltage - Resistor - Capacitor - Inductor - Conductor - Insulator - Ground - Circuit

Direct current - Alternating current - Frequency - Impedance

Transmission line‎ - Terminator‎ - Single-ended signalling‎ - Differential pair

Semiconductor - Electronic - Vacuum tube - Diode - Transistor - Bipolar - Metal Oxide Semiconductor

Power supply‎ - Harness - Analog - Digital - Hardware - Gate

Frequency Modulation‎ - Modified Frequency Modulation‎ - Non Return to Zero Inverted - Run-length limited coding

Synchronous - Asynchronous - Meta-stability - Synchronizer - Arbiter - Clock

Transistor-transistor logic‎ - Open collector - Emitter-coupled logic - Integrated circuit - 74 series

Jumper - Backplane - Wire-wrap - Printed circuit board - Berg connector - Flat cable - Over the back‎

Input/output - Software - Program - Programmer

Bit - Byte - Word - Binary - Binary-coded decimal - Floating point - Character - ASCII

Gray code - Parity - Checksum - Cyclic redundancy check‎ - Error-correcting code

Data path - Register - First-In First-Out buffer - Adder - Arithmetic-logic unit‎

Access time - Cycle time - Interleaving - Cache - Multi-port memory - Pipeline - Microcode - Firmware

Central Processing Unit - Floating point processor - Instruction - Multi-processor - Main memory - Peripheral - Device controller - Secondary storage - Drive - Front end

Interrupt - Direct Memory Access - Programmed I/O - Trap

Address space - Segment - Memory management‎ - Base and bounds - Swapping - Virtual address - Virtual memory - Single-level store

Program Counter - Processor Status Word - Stack Pointer - Index register - Condition codes

Stack - Conditional branch - Control flow - Loop - Array - Subroutine - No-op

Object code - Relocatable binary

Commercial Instruction Set - Load-store architecture - Reduced Instruction Set Computer - Complex Instruction Set Computer

Bootstrap - Diagnostic - Simulator - Emulator

Programming language - Source code - Macro - Subroutine package - Assembly language - Compiler - Cross-compiler - Interpreter - Portable

Stack frame - Call stack - Local variable - Exception - Condition handler - Unwind - Library

Batch - Multitasking - Kernel - Process - Virtual machine - Time-sharing - Real-time system - Task

File - File system - Hard link - Byte stream‎

User interface - Command processor - Application - Editor - Text editor - Screen editor

Core memory - Dynamic RAM - Refresh

Punched card - Paper tape - Terminal - Keyboard - Printing terminal - Teletype - Mouse

Magnetic storage - Head - Drum - Disk - Fixed-head disk‎

Magnetic tape - Magnetic tape drive - Magnetic tape controller

Modem - Serial line - Asynchronous serial line - Synchronous serial line - 20mA current loop serial line interface - EIA RS-232 serial line interface - EIA RS-422 serial line interface

Cathode Ray Tube - Cursor - Character generator - Video terminal

SCSI - Line time clock‎

Mainframe - Minicomputer - Personal computer - Microprocessor

User - Multi-user - End-user - Original Equipment Manufacturer

System Module - DEC card form factor - DEC edge connector contact identification - System unit - DEC alphabet

H960 rack - BA11 mounting boxes

BA11 mounting box - BA11-F Mounting Box - BA11-K mounting box - BA11-L mounting box

BA11-M mounting box - BA11-N mounting box - BA11-S mounting box

H742 Power Supply

DECtape - LINC tape - DEC indicator panel

LINC - LINC-8 - PDP-9 - PDP-12

PDP-6 - KA10 - KI10 - KL10 - KS10

PDP-15 - UNICHANNEL 15 System - MX15-B Memory Multiplexer

PDP-11 Memory Management - UNIBUS map

PDP-11 Extended Instruction Set - FP11 floating point - FIS floating point - PDP-11 Commercial Instruction Set

Bus grant line - Non-Processor Request - Upgrading QBUS backplanes

Small Peripheral Controller - Modified UNIBUS Device - Extended UNIBUS

CD interconnect - Private Memory Interconnect - MASSBUS

G727 grant continuity card - G7273 grant continuity card - UNIBUS H854 header pinout - DEC asynchronous serial line pinout

KA11 CPU - KT11-B Paging Option - KA11 changes for the KT11-B - KT11-B Technical Manual - KT11-B Major State circuitry

PDP-11/05 - PDP-11/34A

KB11-A CPU - KB11-B CPU - KB11-C CPU - KB11-D CPU - KD11-A CPU - KD11-B CPU - KD11-E CPU - KD11-EA CPU - KD11-Z CPU

KY11-LA Operator's Console - KY11-LB Programmer's Console

KE11-E Extended Instruction Set - KT11-C Memory Management Unit

KE11-F Floating Instruction Set - FP11-A Floating-Point Processor - FP11-B Floating-Point Processor - FP11-C Floating-Point Processor - FP11-F Floating-Point Processor

KK11-A Cache Memory - MS11 Semiconductor Memory System - MJ11 memory system - MK11 memory system

LSI-11 - F-11 chip set - KTF11-A memory management chip - KEF11-A floating point chip - KDF11 CPUs - KDF11-U CPU

FPJ11 floating point accelerator - KDJ11 CPUs - KDJ11-B CPU - KDJ11-E CPU - KTJ11-B UNIBUS adapter - PDP-11/83

Able ENABLE

UNIBUS memories - MM11-D core memory - MM11-K core memory - MM11-L core memory - MM11-U core memory - MS11 32KB MOS memory - MS11-L MOS memory‎‎ - MS11-P MOS memory

QBUS memories - MMV11-A - CMV-[25]xx - CMV-[14]000 - MK8022 - National Semiconductor NS23M - National Semiconductor NS23C - Q-RAM 11

UNIBUS boot ROMs - BM792 ROM - BM873 ROM - M9301 ROM - M9312 ROM

QBUS boot ROMs - BDV11 Bus Terminator/ROM‎

DEC bootstrap device codes

RH11 MASSBUS controller - RH70 MASSBUS controller

RC11 disk controller - RK11-C disk controller - RP11 disk controller - RL11 disk controller - RX11 floppy disk controller - RX211 floppy disk controller‎

RK02 disk drive - RP02 disk drive - RP03 disk drive - RP04 disk drive - RX0x floppy drive

TC11 DECtape controller - TM11 magtape controller - TM02 magtape controller - TM03 magtape controller

TU16 magtape drive - TE16 magtape drive - TS03 magtape drive

KW11-L Line Time Clock - VT11 Graphic Display Processor

DR11 parallel interface - DR11-B parallel interface

DL11 asynchronous serial line interface - DH11 asynchronous serial line interface

PC04/PC05 Paper-Tape Reader/Punch

Texas Instruments - Intel - MIPS - Data General - Xerox

UNIVAC I - IBM 704 - IBM 709 - IBM 7090 - IBM 7094 - Honeywell 6000 series‎‎

Data General Nova 3

Xerox Alto - IBM PC‎ - IBM-compatible PC

Lear Siegler ADM-3A - Term-Mite ST Smart Terminal

Intel 8085 - Intel x86 - Motorola M68000 Family - Motorola MC68000

National Semiconductor NS405 and NS455 Terminal Management Processor

Ersatz-11 - Bochs

Compatible Time-Sharing System - TOPS-10 - TENEX - MOS operating system

2.10BSD - 2.11BSD - UNIX file system - BSD Fast File System

Installing UNIX Sixth Edition - Installing UNIX Sixth Edition on Ersatz-11 - Running an LSI-11 from Unix V6 - Running UNIX V6 on an -11/23 - Installing Unix Seventh Edition

ALGOL - BCPL - Typesetter C

Vi editor

Communication network - Reliable byte stream‎ - Protocol - Protocol suite - Circuit-switching - Host

Packet - Datagram - Physical network - Packet switch - Internetwork - Router - Internetworking layer

Sequence number‎ - Acknowledgement - Timeout - Retransmission - Big-endian - Little-endian - Local area network‎

Host-to-IMP Protocol‎ - PARC Universal Packet - Internet - Internet Protocol - Transmission Control Protocol

Telnet

Engineering Change Order - Request for Comments - Bitsavers - Vonada's Engineering Maxims

Pages I have substantially upgraded

Dual Inline Package

Operating system - Symbolic link

Digital Equipment Corporation - International Business Machines

FLIP CHIP

PDP-10

PDP-11 architecture - UNIBUS - QBUS

PDP-11/04 - PDP-11/10 - PDP-11/24 - PDP-11/34 - PDP-11/45 - PDP-11/70

KDF11-A CPU - KDF11-B CPU - KDJ11-A CPU - J-11 chip set

MSV11-J QBUS memory

RF11 disk controller - RK11 disk controller - RK05 disk drive - RL0x disk drive - RP06 disk drive

TU10 magtape drive

M7821

Multics - Incompatible Timesharing System - UNIX Sixth Edition

FORTRAN - Emacs editors‎‎

Interface Message Processor - Network Control Program - Ethernet - TCP/IP