• Stored program control (SPC) is a telecommunications technology for telephone exchanges. Its characteristic is that the switching system is controlled...
    13 KB (1,859 words) - 14:06, 17 January 2023
  • a barrier-grid electrostatic storage tube. Stored program control Allison, Joanne (1997), Stored-program Computers, archived from the original on 27...
    16 KB (1,671 words) - 08:13, 23 March 2025
  • SP-1 switch (redirect from Stored Program 1)
    Copyright is 1995. No ISBN.) As indicated by the name "Stored Program", the SP-1 introduced computer control to the telephone switching market. (AT&T's #1ESS...
    3 KB (446 words) - 03:38, 15 November 2023
  • DMS-Global Services Platform DMS-MTX (Cellular MTSO) Stored Program (SP) (Electronic Stored Program Control using mini-bar switches) SP1 2-Wire (Local) The...
    48 KB (5,154 words) - 23:34, 25 April 2025
  • (including all stored program control systems) are common control systems. Common control is also known as indirect control or register control. Early semi-mechanical...
    3 KB (376 words) - 15:19, 22 March 2025
  • relay-operated metallic paths or crossbar switches operated by stored program control (SPC) systems. First announced in 1955, the first customer trial...
    4 KB (491 words) - 22:19, 29 April 2025
  • Thumbnail for Computer numerical control
    of a sequential program of machine control instructions such as G-code and M-code, and then executed. The program can be written by a person or, far more...
    30 KB (3,236 words) - 13:41, 30 April 2025
  • Thumbnail for Programmable logic controller
    time, otherwise unintended operation may result. Programs to control machine operation are typically stored in battery-backed-up or non-volatile memory. The...
    40 KB (5,129 words) - 17:07, 10 April 2025
  • microcode" — rather than storing the microcode in ROM or hard-wired logic, the microcode is stored in a RAM called a writable control store or WCS. Such a computer...
    14 KB (1,440 words) - 11:00, 25 December 2023
  • board system, but seldom to that operating a computer network or Stored Program Control exchange. E-mail was introduced in the early 1960's as a way for...
    3 KB (378 words) - 23:57, 9 August 2023
  • Thumbnail for Von Neumann architecture
    such as discrete plugboard wiring or fixed control circuitry for instruction implementation. Stored-program computers were an advancement over the manually...
    35 KB (4,246 words) - 15:48, 27 April 2025
  • Thumbnail for IBM 1132
    Forms skipping under program control through automatic, paper-tape-controlled carriage. Printer operation under stored-program control through automatic...
    4 KB (484 words) - 20:11, 25 August 2024
  • TSPS was deployed in Morristown, New Jersey in 1969 and used the Stored Program Control-1A CPU, "Piggyback" twistor memory (a proprietary technology developed...
    5 KB (641 words) - 23:58, 1 August 2024
  • Rechenanlage München, lit. 'Munich Programmable (Program Controlled) Electronic Computing System') is a stored-program-controlled electronic computer, built in...
    2 KB (168 words) - 20:34, 3 November 2024
  • see IBM SAN Volume Controller Stored program control, a machine control principle that uses a computer to store programs and data Storm Prediction Center...
    6 KB (734 words) - 15:13, 16 March 2025
  • Thumbnail for Pulse dialing
    later version (7A2) of the rotary system, and the earlier 1970s stored program control exchanges. In some telephones, the pulses may be heard in the receiver...
    9 KB (1,313 words) - 15:42, 15 April 2025
  • Desk Interface (SMDI) is an analog interface between the local stored program controlled switching system (SPCS) and a message storage and retrieval (MSR)...
    5 KB (581 words) - 20:45, 5 December 2021
  • proliferation of electronic switching systems that were based on stored program control (SPC), which reduced the need for electromechanical extensions of...
    10 KB (1,304 words) - 15:46, 12 April 2025
  • Thumbnail for Number One Electronic Switching System
    One Electronic Switching System (1ESS) was the first large-scale stored program control (SPC) telephone exchange or electronic switching system in the Bell...
    25 KB (3,786 words) - 05:34, 12 June 2023
  • (1960s) Pentaconta crossbar switch and (1970s) Metaconta D, L and 10c Stored Program Control exchanges, mostly for sale to their respective national telephone...
    56 KB (5,445 words) - 15:44, 15 April 2025
  • Remove Programs and Internet Options. Physically, these applets are stored as .cpl files. For example, the Add or Remove Programs applet is stored under...
    34 KB (868 words) - 21:08, 17 January 2025
  • Thumbnail for Computer
    instructions (program) stored on tape, allowing the machine to be programmable. The fundamental concept of Turing's design is the stored program, where all...
    139 KB (14,061 words) - 01:41, 4 May 2025
  • Thumbnail for Pest control
    infest stored dry goods. Some inflict great economic loss, others carry diseases or cause fire hazards, and some are just a nuisance. Control of these...
    51 KB (5,702 words) - 13:36, 16 March 2025
  • Thumbnail for Booting
    take weeks to program, and program loading was one of many problems that had to be solved. An early computer, ENIAC, had no program stored in memory but...
    100 KB (11,298 words) - 14:17, 2 May 2025
  • to monitor the line. Stored program control exchanges finally solved the problem, by setting a bit mask in the scanning program and running a low priority...
    3 KB (405 words) - 17:10, 18 December 2024
  • This service became commonplace in the 1970s with the spread of Stored Program Control exchanges capable of implementing the required databases. It remains...
    2 KB (301 words) - 16:23, 29 September 2022
  • Common-channel signaling replaced senders after the development of stored program control (SPC). A secondary meaning within the UK broadcast engineering community...
    4 KB (509 words) - 05:05, 20 October 2023
  • are stored in the database data dictionary. Uses for stored procedures include data-validation (integrated into the database) or access-control mechanisms...
    12 KB (1,298 words) - 23:08, 5 November 2024
  • Thumbnail for MKUltra
    explore other possibilities of mind control. Subproject 54 was the Navy's top-secret "Perfect Concussion" program, which was supposed to use sub-aural...
    92 KB (10,208 words) - 16:27, 2 May 2025
  • sometimes minutes for dial tone on an existing line. The new 1ESS Stored Program Control exchanges had software bugs that kept them from carrying full load...
    15 KB (1,673 words) - 23:59, 31 January 2025