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'''[[Main Page|Home]] * [[Hardware]] * UNIVAC 1100'''
[[FILE:AlbanyStateUniversity_ComputerOperationsRoom_1981_Univac1100-80_skaliert.jpg|border|right|thumb|UNIVAC 1100/80 <ref>The Sperry UNIVAC 1100/80 Computer Photo by [https://en.wikipedia.org/wiki/User:Emgriffin Erick M. Griffin], [https://en.wikipedia.org/wiki/Albany_State_University Albany State University], 1981, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons], [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series UNIVAC 1100/2200 series from Wikipedia]</ref> ]]
'''UNIVAC 1100''', (UNIVersal Automatic Computer)<br/>
a series of [https://en.wikipedia.org/wiki/Solid-state_electronics solid-state] <ref>not considering the [https://en.wikipedia.org/wiki/Vacuum_tube vacuum tube] based machines with model numbers from 1101 to 1105 with different architectures and word sizes </ref> mainframe computer systems by [https://en.wikipedia.org/wiki/UNIVAC Sperry UNIVAC] (since 1986 [https://en.wikipedia.org/wiki/Unisys Unisys]), started with the [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#1107 UNIVAC 1107] in 1962, the multiprocessor capable [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#1108 UNIVAC 1108] introduced in 1964 using [[Integrated Circuits|integrated circuits]] rather than [https://en.wikipedia.org/wiki/Thin-film_memory thin film memory], the cheaper [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#1106 UNIVAC 1106] in 1969, the enhanced multiprocessing support [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#1110 UNIVAC 1110] in 1972, followed by the [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#Semiconductor_memory_series semiconductor memory series] such as the 1100/10 in 1975 and the 1100/80 in 1979.
=Architecture=
The UNIVAC 1100 series was a [https://en.wikipedia.org/wiki/36-bit 36-bit] machine using [https://en.wikipedia.org/wiki/Ones%27_complement ones' complement] integer arithmetic as well as single (1:8:27) and double precision (1:11:60) [https://en.wikipedia.org/wiki/Floating_point floating point] arithmetic. 128 [https://en.wikipedia.org/wiki/Processor_register registers] include 15 [https://en.wikipedia.org/wiki/Index_register index registers] (X1 ... X15), 16 [https://en.wikipedia.org/wiki/Accumulator_(computing) accumulators] (A0 ... A15), and 15 special function user registers (R1 .. R15), the last four index registers (X12 ... X15) and the first four accumulators (A0 ... A3) overlap. All instructions were one 36-bit word long. Early machines had [[Memory#Core|core memory]] and [[Memory#Plated|plated wire memory]], until that was replaced with [https://en.wikipedia.org/wiki/Semiconductor_device semiconductor] memory in 1975.
=Photos=
[[FILE:CHAOS Team circa 1972.gif|none|border|text-bottom|640px]]
The [[CHAOS]] Team circa 1972 with UNIVAC 1108 Computer in [https://en.wikipedia.org/wiki/Cinnaminson_Township,_New_Jersey Cinnaminson, NJ]</br/>From left, [[Fred Swartz]] (rear), [[Victor Berman|Vic Berman]] (front), [[William Toikka|Bill Toikka]], [[Ira Ruben]] (seated), [[Joe Winograd]] <ref>Photo courtesy [[Joe Winograd]]</ref>
=Chess Programs=
* [[Black Knight]]
* [[Blitz]]
* [[CHAOS]]
* [[Coko]]
* [[Dark Horse]]
* [[MSU CP]]
=See also=
* [[UNIVAC 418]]
* [[UNIVAC 494]]
=Manuals=
* [http://bitsavers.informatik.uni-stuttgart.de/pdf/univac/1100/U7265_Sperry_Univac_Series_1100_Sales_Information_Manual_Jul82.pdf SPERRY UNIVAC Series 1100 Sales Information Manual] (pdf hosted by [http://bitsavers.informatik.uni-stuttgart.de/ bitsavers.org])
* [http://archive.computerhistory.org/resources/text/Remington_Rand/SperryRand.UNIVAC1108II.1965.102646105.pdf UNIVAC 1108-II The Big System With the Big Reputation, 1965] (pdf hosted by [[The Computer History Museum]])
=External Links=
* [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series UNIVAC 1100/2200 series from Wikipedia]
* [https://en.wikipedia.org/wiki/UNIVAC_1100/60 UNIVAC 1100/60 from Wikipedia]
* [http://www.fourmilab.ch/documents/univac/ UNIVAC Memories] by [http://www.fourmilab.ch/ John Walker]
: [http://www.fourmilab.ch/documents/univac/instructions.html UNIVAC 1100 Series Instruction Set]
=References=
<references />
'''[[Hardware|Up one Level]]'''
[[FILE:AlbanyStateUniversity_ComputerOperationsRoom_1981_Univac1100-80_skaliert.jpg|border|right|thumb|UNIVAC 1100/80 <ref>The Sperry UNIVAC 1100/80 Computer Photo by [https://en.wikipedia.org/wiki/User:Emgriffin Erick M. Griffin], [https://en.wikipedia.org/wiki/Albany_State_University Albany State University], 1981, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons], [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series UNIVAC 1100/2200 series from Wikipedia]</ref> ]]
'''UNIVAC 1100''', (UNIVersal Automatic Computer)<br/>
a series of [https://en.wikipedia.org/wiki/Solid-state_electronics solid-state] <ref>not considering the [https://en.wikipedia.org/wiki/Vacuum_tube vacuum tube] based machines with model numbers from 1101 to 1105 with different architectures and word sizes </ref> mainframe computer systems by [https://en.wikipedia.org/wiki/UNIVAC Sperry UNIVAC] (since 1986 [https://en.wikipedia.org/wiki/Unisys Unisys]), started with the [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#1107 UNIVAC 1107] in 1962, the multiprocessor capable [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#1108 UNIVAC 1108] introduced in 1964 using [[Integrated Circuits|integrated circuits]] rather than [https://en.wikipedia.org/wiki/Thin-film_memory thin film memory], the cheaper [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#1106 UNIVAC 1106] in 1969, the enhanced multiprocessing support [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#1110 UNIVAC 1110] in 1972, followed by the [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series#Semiconductor_memory_series semiconductor memory series] such as the 1100/10 in 1975 and the 1100/80 in 1979.
=Architecture=
The UNIVAC 1100 series was a [https://en.wikipedia.org/wiki/36-bit 36-bit] machine using [https://en.wikipedia.org/wiki/Ones%27_complement ones' complement] integer arithmetic as well as single (1:8:27) and double precision (1:11:60) [https://en.wikipedia.org/wiki/Floating_point floating point] arithmetic. 128 [https://en.wikipedia.org/wiki/Processor_register registers] include 15 [https://en.wikipedia.org/wiki/Index_register index registers] (X1 ... X15), 16 [https://en.wikipedia.org/wiki/Accumulator_(computing) accumulators] (A0 ... A15), and 15 special function user registers (R1 .. R15), the last four index registers (X12 ... X15) and the first four accumulators (A0 ... A3) overlap. All instructions were one 36-bit word long. Early machines had [[Memory#Core|core memory]] and [[Memory#Plated|plated wire memory]], until that was replaced with [https://en.wikipedia.org/wiki/Semiconductor_device semiconductor] memory in 1975.
=Photos=
[[FILE:CHAOS Team circa 1972.gif|none|border|text-bottom|640px]]
The [[CHAOS]] Team circa 1972 with UNIVAC 1108 Computer in [https://en.wikipedia.org/wiki/Cinnaminson_Township,_New_Jersey Cinnaminson, NJ]</br/>From left, [[Fred Swartz]] (rear), [[Victor Berman|Vic Berman]] (front), [[William Toikka|Bill Toikka]], [[Ira Ruben]] (seated), [[Joe Winograd]] <ref>Photo courtesy [[Joe Winograd]]</ref>
=Chess Programs=
* [[Black Knight]]
* [[Blitz]]
* [[CHAOS]]
* [[Coko]]
* [[Dark Horse]]
* [[MSU CP]]
=See also=
* [[UNIVAC 418]]
* [[UNIVAC 494]]
=Manuals=
* [http://bitsavers.informatik.uni-stuttgart.de/pdf/univac/1100/U7265_Sperry_Univac_Series_1100_Sales_Information_Manual_Jul82.pdf SPERRY UNIVAC Series 1100 Sales Information Manual] (pdf hosted by [http://bitsavers.informatik.uni-stuttgart.de/ bitsavers.org])
* [http://archive.computerhistory.org/resources/text/Remington_Rand/SperryRand.UNIVAC1108II.1965.102646105.pdf UNIVAC 1108-II The Big System With the Big Reputation, 1965] (pdf hosted by [[The Computer History Museum]])
=External Links=
* [https://en.wikipedia.org/wiki/UNIVAC_1100/2200_series UNIVAC 1100/2200 series from Wikipedia]
* [https://en.wikipedia.org/wiki/UNIVAC_1100/60 UNIVAC 1100/60 from Wikipedia]
* [http://www.fourmilab.ch/documents/univac/ UNIVAC Memories] by [http://www.fourmilab.ch/ John Walker]
: [http://www.fourmilab.ch/documents/univac/instructions.html UNIVAC 1100 Series Instruction Set]
=References=
<references />
'''[[Hardware|Up one Level]]'''
