All Topics  
UNIVAC 90/60

 

 
   Email Print
   Bookmark   Link
 

 

UNIVAC 90/60
 
 
  Topics UNIVAC 90/60 Topic Home

The Univac 90/60 series computer was a mainframe
Mainframe computer

Mainframes are computers used mainly by large organizations for critical applications, typically bulk data processing such as census, industry and consumer statistics, Enterprise Resource Planning, and financial transaction processing....
 class computer manufactured by Sperry Corporation
Sperry Corporation

Sperry Corporation was a major American equipment and electronics company whose existence spanned more than seven decades of the twentieth century....
 as a competitor to the IBM
IBM

International Business Machines Corporation, abbreviated IBM and nicknamed "Big Blue" , is a multinational corporation computer technology and consulting corporation headquartered in Armonk, New York, New York, United States....
 System 360 series of mainframe computers. The 90/60 used the same instruction set as the 360, although the machines themselves were not compatible with each other; programs written for one would have to be recompiled for the other, as at the time they were developed, the concept of an operating system being portable separately from the computer system it ran on was unheard of.

The 90/60 was originally developed by RCA
RCA

RCA Corporation, founded as Radio Corporation of America, was an electronics company in existence from 1919 to 1986. Today, the RCA is owned by the France conglomerate Thomson SA through RCA Trademark Management S.A., a company owned by Thomson....
 corporation as the Spectra series of computers.






Discussion
Ask a question about 'UNIVAC 90/60'
Start a new discussion about 'UNIVAC 90/60'
Answer questions from other users
Full Discussion Forum



Encyclopedia


The Univac 90/60 series computer was a mainframe
Mainframe computer

Mainframes are computers used mainly by large organizations for critical applications, typically bulk data processing such as census, industry and consumer statistics, Enterprise Resource Planning, and financial transaction processing....
 class computer manufactured by Sperry Corporation
Sperry Corporation

Sperry Corporation was a major American equipment and electronics company whose existence spanned more than seven decades of the twentieth century....
 as a competitor to the IBM
IBM

International Business Machines Corporation, abbreviated IBM and nicknamed "Big Blue" , is a multinational corporation computer technology and consulting corporation headquartered in Armonk, New York, New York, United States....
 System 360 series of mainframe computers. The 90/60 used the same instruction set as the 360, although the machines themselves were not compatible with each other; programs written for one would have to be recompiled for the other, as at the time they were developed, the concept of an operating system being portable separately from the computer system it ran on was unheard of.

The 90/60 was originally developed by RCA
RCA

RCA Corporation, founded as Radio Corporation of America, was an electronics company in existence from 1919 to 1986. Today, the RCA is owned by the France conglomerate Thomson SA through RCA Trademark Management S.A., a company owned by Thomson....
 corporation as the Spectra series of computers. After RCA decided to get out of the computer business due to stunning losses, it sold most of its computer and peripheral lines to Sperry; a few were sold to Singer Corporation
Singer Corporation

Singer Corporation is a manufacturer of sewing machines, first established as I.M. Singer & Co. in 1851 by Isaac Merrit Singer with New York lawyer Edward Clark ....
.

The 90/60 series was an enhanced workalike to the 360, as it included special features which were not available on IBM hardware until later in the System 370 series, including virtual memory
Virtual memory

Virtual memory is a computer system technique which gives an application program the impression that it has contiguous working memory , while in fact it may be physically fragmented and may even overflow on to disk storage....
, demand paging
Demand paging

In computer operating systems, demand paging is an application of virtual memory. In a system that uses demand paging, the operating system copies a disk paging into physical memory only if an attempt is made to access it ....
 of applications, and good support for terminal-based users (IBM's offerings on mainframes have always provided weak support for interactive computing).

The operating systems which ran on the 90/60 included RCA's TSOS opeating system and Sperry's own VS/9
VS/9

VS/9 was a computer operating system available for the Univac 90/60, 90/70 and 90/80 mainframe computer during the late 1960s through 1980s. It provided the capability to allow both interactive and batch operations on the same computer....
 operating system. The 90/60 was superseded by the UNIVAC 90/70
UNIVAC 90/70

The Univac 90/70 was a member of Univac?s Series 90 Family of mainframe class computer systems. The low end family members included the 90/25, 90/30 and 90/40 that ran the OS/3 Operating System....
 (a workalike for IBM's System 370 and the UNIVAC 90/80.

See also

  • List of UNIVAC products
    List of UNIVAC products

    This is a list of UNIVAC products....
  • History of computing hardware
    History of computing hardware

    The history of computing hardware encompasses computer hardware, its Computer architecture, and its impact on Computer software.The elements of computing hardware have undergone significant improvement over their history....