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- * G110 - [[DEC card form factor|hex-width]] memory control logic and data channels ...planes wired to hold one or more MM11-L sets, in addition to the [[Central Processing Unit|CPU]].5 KB (841 words) - 07:14, 25 March 2022
- The appropriate UNIBUS signal lines ([[address]], data, etc) were thus wired to the appropriate rows/pins in SPC slots. Other pins ...] and [[PDP-11/34]], on the [[DD11-P backplane]] which holds the [[Central Processing Unit|CPU]] card(s), along with the [[KY11-LB Programmer's Console]] (which5 KB (868 words) - 23:38, 9 April 2022
- It used four 4-bit wide [[PROM]]s to hold the data. The board occupied [[address]]es 773000-773776 and 765000-765776; a config Other configuration switches controlled which address the [[Central Processing Unit|CPU]] jumped to on power on (a clever kludge, controlled by another co9 KB (1,304 words) - 19:41, 7 December 2021
- The [[Central Processing Unit|CPU]] had two main units, the 'E Box' ('Execution') and the 'M Box' (' ...alled; they connect to the E Bus (for control), and also to the C Bus (for data movement). The [[MASSBUS]] can be used to connect a variety of [[disk]] and11 KB (1,737 words) - 13:06, 2 April 2024
- ...eripheral Controller|SPC]] slot in the same [[backplane]] as the [[Central Processing Unit|CPU]], and a 20-[[conductor]] [[flat cable]] which connected the two. ...d, a 6-digit [[Light Emitting Diode|LED]] display which showed address and data information, several individual indicator LEDs, and the following function7 KB (1,114 words) - 20:56, 24 October 2022
- .../70]] computers ([[KB11-A CPU|KB11-A]] and [[KB11-B CPU|KB11-B]] [[Central Processing Unit|CPU]] variants thereof, respectively); it was the progenitor of the se * M8113 Exponent and Data Path1 KB (201 words) - 02:17, 13 October 2022
- ...uters (the later [[KB11-D CPU|KB11-D]] and [[KB11-C CPU|KB11-C]] [[Central Processing Unit|CPU]] variants thereof, respectively); it was [[program compatible]] w * M8129 Exponent and Data Path1 KB (209 words) - 02:18, 13 October 2022
- ...roduced with the [[KDJ11-B CPU]]. It also provides means for the [[Central Processing Unit|CPU]] and a [[KTJ11-B UNIBUS adapter|KTJ11-B]] [[UNIBUS]] adapter to c ...[main memory]], PMI provides two primary modes; i) single- and double-word data reads, and single-word and single-byte writes; ii) block mode, which can re4 KB (731 words) - 17:11, 6 February 2024
- ...although only a maximum of 64 KBytes is accessable (i.e. in the [[Central Processing Unit|CPU]]'s address space) at any one time. ...anently dedicating scarce memory space in the Exec's address space to such data, or ii) having to change a number of page table entries in the Exec mode pa15 KB (2,571 words) - 22:23, 11 October 2022
- The [[Central Processing Unit|CPU]] can be in one of three modes; 'Kernel', 'Supervisor', and 'User' An additional enhancement is that [[instruction]] and data fetches can be set to go to separate 64 Kbyte address spaces, the so-called9 KB (1,311 words) - 18:10, 2 July 2023
- ...visible to to user as first-class objects, are supported in the [[Central Processing Unit|CPU]] (in the [[instruction]]s), etc; whereas pages are generally invi ...t size, measured in small units, is often stored in a field as part of the data which describes the segment to the CPU's hardware), whereas with variable p5 KB (876 words) - 20:01, 22 January 2024
- The '''KA11''' is the [[Central Processing Unit|CPU]] of the [[PDP-11/20]], the first [[PDP-11]]. It was the only PDP- * [[Data path|Data Paths]]9 KB (1,356 words) - 23:10, 29 February 2024
- ...[[register]] names must be known, as well as the function of the [[Central Processing Unit|CPU]] and [[peripheral|device]] [[UNIBUS]]es, and also high-level inte [[Image:KT11-B_DataPaths.jpeg|450px|right|Main data paths]]31 KB (4,983 words) - 18:22, 2 July 2023
- There are several single-board [[PDP-11]] [[Central Processing Unit|CPUs]] which all use the 'Jaws' [[J-11 chipset]]: ...even if that memory location is faulty - the CPU is getting the (correct) data from the cache.3 KB (457 words) - 14:32, 21 February 2023
- ...P-11 architecture]]. It was used in the [[KDF11 CPUs]]. The main [[Central Processing Unit|CPU]] was implemented in two [[integrated circuit|chips]] (carried on ...although the KEF11-A is [[microcode]], there are enough pins for both the data [[bus]], and the microcode bus.)2 KB (384 words) - 23:50, 28 March 2022
- The '''Central Processing Unit''', usually abbreviated as '''CPU''', or simply called a '''processor' Instructions include data-handling instructions (such as arithmetic and logical operations), and cont1 KB (196 words) - 13:14, 5 November 2023
- ...ion (the 'Control Bus'), and a [[synchronous]] data transfer section (the 'Data Bus'). The two sections operate completely independently. ...sing Unit|CPU]] access to device registers implemented in the devices. The data section is 18 (optionally 16) bits wide, to allow use with both DEC's 36-bi5 KB (729 words) - 21:36, 2 December 2023
- Instructions in the LINC [[Central Processing Unit|CPU]] could seek to a given block, and then read or write multiple blo The tape contained timing and mark tracks along with three data tracks; the first two allowed not only the ability to re-write individual b3 KB (519 words) - 02:13, 28 February 2024
- ...a [[Direct Memory Access|DMA]] peripheral to the PDP-8, using the PDP-8 [[data break]] mechanism). A combined [[front panel]] allowed control of both CPUs2 KB (328 words) - 13:46, 11 July 2023
- ...ch uses tiny rings of magnetic material ('cores', hence the name) to store data; magnetized in one direction, such a core represents a '1' [[bit]], and in ...location in main memory, the location can be read out, with the [[Central Processing Unit|CPU]] telling the memory to wait before the write-back, so the CPU can8 KB (1,299 words) - 02:33, 4 March 2024