Search results

Create the page "AT&T" on this wiki! See also the search results found.

• MINITS
  '''MINITS''' was a [[PDP-11]] [[multi-tasking]] [[operating system]] created at [[MIT]], primarily for use in [[data network]] [[host]]s. It was mostly use ...he 'real' [[Network Control Program (ARPANET)|NCP]]. In fact, MINITS doesn't support any [[IMP interface]]s. The use of 'NCP' was just a terminological
  3 KB (347 words) - 08:50, 27 February 2024
• Running UNIX V6 on an -11/23
  somewhere (probably at the end, with the other register definitions). This is not an issue on the -11/40, since it doesn't support floating point. However, this means that m40.s does not include the
  6 KB (1,028 words) - 16:56, 2 June 2022
• Camexec
  ...re failures, the disk data structures wouldn't get corrupted if SALV weren't run. ...neered WYSIWYG terminals and typesetters for the newspaper industry (which at that time was one of the few industries that could afford $100,000 workstat
  3 KB (544 words) - 01:12, 1 April 2024
• Network Control Protocol
  * [[1822 interface|1822]]/[[VDH]] at the bottom, to transfer bits/'messages' (ARPANET jargon for [[packet]]s) be ...umbers were 32 bits long. Only one connection was permitted to each socket at any host.
  4 KB (622 words) - 03:45, 17 July 2022
• ASCII
  ...ernational Business Machines|IBM]] had its own competing encoding standard at the time, [[Extended Binary Coded Decimal Interchange Code|EBCDIC]], which | 020 || 024 || 14 || DC4 || ^T || Device Control Four
  6 KB (713 words) - 08:39, 9 April 2024
• Xerox Alto
  ...speed [[local area network|LAN]], the then-new [[Ethernet]], also invented at PARC. In addition to the [[keyboard]], users could use a [[mouse]] to inter ...eing called the machine's '[[microprocessor]]', although that term did not at the time have the meaning that it does now). As a result; it could emulate
  6 KB (863 words) - 22:39, 3 October 2023
• Symbolic link
  ...symbolic link is created), such that references to the first name wind up at the second. ...|ITS]] Reference Manual 1.5 from 1969 mentions links. 1.4 from 1968 doesn't.
  1 KB (167 words) - 07:32, 6 September 2023
• Term-Mite ST Smart Terminal/TermMite.asm
  L0025 mov a,#01H ;both recv & xmit at same baud rate mov @r0,a ;store baud rate at r3d
  24 KB (5,539 words) - 03:05, 27 December 2018
• PC04/PC05 High-Speed Paper-Tape Reader/Punch
  ...:PC05Internals.jpg|thumb|left|200px|PC05 internals; punch in front, reader at left rear]] ...r|single-width]] [[printed circuit board|PCB]] with plated contact fingers at one end, to plug into the backplane in the PC04/05; the connector on the ot
  10 KB (1,588 words) - 08:14, 28 February 2023
• Old C Changes
  won't work. Neither will l1 = l2 = 0. initializer or assigned to something it doesn't matter. If it is
  15 KB (2,398 words) - 14:52, 16 January 2023
• C Changes
  that can be evaluated at compile time. Defined but this won't happen instantly.
  9 KB (1,418 words) - 14:55, 16 January 2023
• Switching power supply
  ...al]]s are either fully off, or fully on) to convert input power to output, at the [[voltage]] needed. ...gh a transformer (since transformers can be physically smaller and lighter at a higher frequency, for a given power throughput), and then convert the out
  2 KB (341 words) - 16:23, 1 June 2023
• FCO CIBCI-I001
  ||d|i|g|i|t|a|l| FCO |I | | |d|i|g|i|t|a|l| | PAGE 2 OF 21
  49 KB (4,759 words) - 09:21, 27 February 2023
• UNIX V6 dump analysis
  ...the [[kernel]] does a 'panic', which it does when something happens it can't recover from; or after [[halt]]ing the [[Central Processing Unit|CPU]]. ...t is from the top of the kernel stack. In a process core dump, this starts at 01776 in the core dump file; in a dump of main memory, it is necessary to k
  4 KB (719 words) - 12:07, 2 July 2022
• UNIX V6 internals
  ...: note that the process doesn't yet have a data or stack segment allocated at that point, just the 'user' area. (The two will be stored contiguously with ...with main memory); for the first instance of a pure-text program/command, at least:
  9 KB (1,516 words) - 13:48, 8 April 2024
• Unix SYSVr3
  == Sys V R3 on AT&T 3B2 == ...ml AT&T 3B2/400 Simulator] is now a part of [[SIMH]]. It can run "real" AT&T UNIX System V Release 3 on the simulator. Source code is also avaialable (b
  5 KB (717 words) - 19:34, 21 October 2023
• DDT
  ...PDP-10|-10]], and [[PDP-11|-11]] computers at MIT. It was also widely used at [[Digital Equipment Corporation|DEC]]. n! Open location n, don't type
  6 KB (909 words) - 14:21, 27 June 2022
• Bus Arbitration on the Unibus and QBUS
  ...f the QBUS (which has some details about block mode transfers that I haven't seen elsewhere) is found in Appendix F of the ''KA680 CPU Module Technical ...s. As a general rule, one and only one device may be in control of the bus at any time. Usually this would be the processor, reading and writing to [[mai
  21 KB (3,685 words) - 04:35, 28 November 2023
• KA650 Main Memory System
  ...whether or not a bank is present, as well as what base address it resides at. It may perform other functions, but it does not seem to be documented in a ...of all zeroes, all ones, only one bit set, and only one bit clear. Looking at the table above, we got lucky and examples of many of these combinations we
  42 KB (5,493 words) - 15:53, 23 May 2024
• PC-DOS
  ...the PC is a story that has been told many times and a I will supply links at the bottom of this article. This article is mostly on the other story of PC ...e use the time command from the command prompt, it does not ask you for it at boot.). Most of the file on the disk are either the most basic DOS utilitie
  7 KB (1,129 words) - 20:40, 22 May 2023

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)