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The Sequence History (SH) and Cosequence History (CSH) registers on the Honeywell 800 The B register on an IBM 1401 with the indexing feature Automatically record the NSI at a standard memory location following all or most successful branches Store P (STP) locations on RCA 301, 3301 and 501 STICC on the RCA 601 is relative to the lower bound ...
The oldest known recordings of computer generated music were played by the Ferranti Mark 1 computer. The Mark 1 is a commercial version of the Manchester Mark 1 machine from the University of Manchester. The music program was written by Christopher Strachey. 1951: US EDVAC (electronic discrete variable computer). The first computer to use ...
History of innovation. SRI International. 16 November 2021. Developed at SRI International in 1961; Stephen White's excellent computer history site (the above article is a modified version of his work, used with permission) Soviet Digital Electronics Museum - a big collection of Soviet calculators, computers, computer mice and other devices
History is full of iconic moments, some that shaped the world and others that defined entire eras. From the birth of groundbreaking inventions to the rise of legendary icons, each moment has its ...
ERA, then a part of Univac included a drum memory in its 1103, announced in February 1953. The first mass-produced computer, the IBM 650, also announced in 1953 had about 8.5 kilobytes of drum memory. Magnetic-core memory patented in 1949 [138] with its first usage demonstrated for the Whirlwind computer in August 1953. [139]
[1] June United States (US) Commodore released the VIC-20, which had 3.5 KB of usable memory and was based on the MOS Technology 6502 processor. Magazines became available which contained the code for various utilities and games. A 5¼" disk drive was available, along with a cassette storage system which used standard audio cassette tapes.
1991 – Intégral Peripherals 1820 "Mustang" – 21.4 megabytes, one 1.8-inch disk, first 1.8-inch HDD [42] 1992 – HP Kittyhawk – 20 MB, first 1.3-inch hard-disk drive; 1992 – Seagate ships the first 7,200-rpm hard drive, the Barracuda [42] 1993 – IBM 3390 model 9, the last Single Large Expensive Disk drive announced by IBM
Computer memory in the form of RAM, and at least one other less volatile, memory storage device are usually combined with the CPU on a system bus in one unit. Other devices that make up a complete microcomputer system include batteries, a power supply unit, a keyboard and various input/output devices used to convey information to and from a ...