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Cronologia dei computer dal 1980 al 1989 - Wikipedia.

IBM introduces the IBM 5100 Portable Computer, a 50 lb. desktop machine that put computer capabilities at the fingertips of engineers, analysts, statisticians, and other problem-solvers. More "luggable" than portable, the 5100 can serve as a terminal for the System/370 and costs from $9000 to. IBM's Data Encryption Standard DES, an enciphering and deciphering algorithm, is accepted as a standard by National Bureau of Standards. Providing a high level of security for data transmitted over communication lines by making a stream of characters unintelligible, the algorithm is incorporated in the IBM 3845 encryption unit and can access.

First IBM computer to use semiconductor memory. Memory & Storage; In a departure from using magnetic core memory technology, IBM introduces the System 370 Model 145 mainframe computer, the company's first all-semiconductor memory computer. The Model 145 could store an equivalent amount of data in half the space, compared to a computer using. Columbia Data Products annuncia, dopo soli dieci mesi dall'introduzione dell'IBM PC, il primo computer basato su quest'ultimo che può eseguire programmi progettati per la macchina IBM; tali copie sono soprannominate cloni o computer IBM-compatibili. Agosto: USA Inizia la. In 1970, Intel Corporation introduced the Intel 1103 computer memory, the world’s first dynamic RAM chip, and then the first microprocessor in November 1971, dubbed the Intel 4004. Both of these inventions would change the world of computing forever. The first floppy disk, invented by Alan Shugart at IBM, would follow shortly thereafter. A look at the great moments in the history of computers from the early 1970s to almost the present day. The History of Computers. In 1970 and '71,. CP/M should have been the operating system of IBM's upcoming personal computer, the IBM PC.

The IBM Portable Computer, 50 lbs. and $9000 of personal mobility, was introduced in 1975 and presaged – at least in function if not size or price or units sold – the Personal Computer of the 1980s. IBM's 3660 supermarket checkout station, introduced in 1973, used holographic technology to scan product prices from the now-ubiquitous UPC bar. Digital Equipment Corporation became the number two computer company behind IBM with their popular PDP and VAX computer systems. The earliest multi-chip microprocessors were the Four-Phase Systems AL-1 in 1969 and Garrett AiResearch MP944 in 1970, each using several MOS LSI chips.

Internally, IBM used banks of Series/1 computers as communications front end systems on their IBM Information Systems commercial network although back end processing was done with System/370 architecture computers. Also in some IBM Locations, the Series/1 was employed for building access security using ID card readers. Many early programming languages, including Fortran, Cobol and the various IBM assembler languages, used only the first 72 columns of a card — a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series especially the IBM 704, the first mass-produced computer with floating point arithmetic hardware. The "IBM Personal Computer XT", IBM model 5160, was introduced two years after the PC and featured a 10 megabyte hard drive. It had eight expansion slots but the same processor and clock speed as the PC. The XT had no cassette jack, but still had the Cassette Basic interpreter in ROMs. The second date is 1970. IBM gave the storage facility headed by Shugart the assignment to create such a medium floppy in 1967. This task was assigned to David Noble. The system where it is first implemented or announced for is the IBM 370 1971 mainframe computer's storage unit IBM 3330, first released in 1970. L'era del Personal Computer. Dopo un periodo difficile sotto il punto di vista tecnologico – coinciso sostanzialmente con tutti gli anni '70 – IBM tornò a far parlare di sé nel 1981 con il lancio dell'IBM PC, primo micro-computer "casalingo" dell'azienda statunitense.

Nell'aprile del 1975, alla fiera di Hannover, vennero presentati due nuovi personal computer Olivetti, il P6040 e il P6060, sempre ideati da Perotto: il primo era basato sul microprocessore intel 8080 il che ne permetteva una dimensione ridotta rispetto al P6060, il secondo, con CPU ancora in tecnologia TTL, disponeva di stampante grafica e. 29/12/2009 · How we used to shoot down missiles, with punch cards and light wands. 19/05/2014 · IBM maintains an awesome archive of its history, collecting various documents and media it's released since being founded in 1911. We were especially intrigued by this 1970 press release singing the praises of System/370 Model 145, a mainframe computer that was.

Most hard disks do that now, but are no longer removable. Winchester technology drive arrays were IBM’s last storage system with large removable disk packs. Strings of two to eight 3340 drives could be attached to an IBM mainframe computer, providing a storage. Le migliori offerte per VINTAGE 1970/80s IBM Selectric III ELETTRONICA 65 85 95 macchina da scrivere Opuscolo sono su eBay Confronta prezzi e caratteristiche di prodotti nuovi e usati Molti articoli con consegna gratis! IBM, per il mondo sinonimo di Computer, è da ora direttamente coinvolta allo sviluppo di questo mercato e non solo ne sarà un principale artefice, ma ne rimarrà travolta tanto da portare al suo interno profondissime ristrutturazioni che culmineranno con cambiamenti irreversibili a metà degli anni novanta. IBM announces SNA Systems Network Architecture Networking & The Web; IBM has been building hierarchical, special-purpose networks since the SAGE system in the late 1950s and SABRE not long after. In 1974 it announces Systems Network Architecture SNA, a set of protocols designed for less centralized networks.

Dato che la definizione di Personal Computer si consolidò definitivamente con la diffusione dei computer PC IBM, oggi per Personal Computer PC spesso si intende un computer da essi derivato, ma inizialmente il termine andrebbe riferito a macchine con sistemi operativi e tipi di microprocessori del tutto diversi, quali l'Olivetti P6060 e le. IBM or big blue as the company has been affectionately called has been a major innovator of computer and computer related products during this century and the last. However, before there was IBM, there was C-T-R, and before C-T-R there was the companies that were to one day merge and become the Computing-Tabulating-Recording Company. 1970. Fanno il loro debutto i primi floppy disk IBM da 8" con capacità da 130Kb. floppy disk IBM. 1975. IBM 5100 Portable Computer. La prima realizzazione di un Personal Computer da parte di IBM. CPU: IBM proprietario, IC module. Prezzo originale: $20.000. IBM produce e vende hardware, middleware e software per computer e fornisce servizi di hosting e consulenza in aree che vanno dai computer mainframe alla nanotecnologia. IBM è anche un'importante organizzazione di ricerca, che detiene il record per la maggior parte dei brevetti statunitensi generati da un'azienda dal 2019 per 26 anni.

15/12/2019 · 1970: MOS Dynamic RAM Competes with Magnetic Core Memory on Price The Intel i1103 Dynamic RAM DRAM presents the first significant semiconductor challenge to magnetic cores as the primary form of computer memory. 09/01/2015 · By 1956, a computer census reported that three-quarter of the world’s 1,100 computer installations were IBM 650s, making it by far the most popular computer at the time. Its numbers later peaked at 1,800 installations. The IBM 305 RAMAC was nearly as successful, with over 1,000 delivered before its withdrawal in 1961.

Cronologia dei computer prodotti dalla IBM con dati tecnici essenziali. Scientific Kit for Computer and Electronics around 1972 Superboard II 1978 MMD-2 1977. Vintage IBM PC Jr Computer 128KB Model 4863 Complete Monitor Wireless Keyboard. $349.99 $89.99 shipping. Make Offer - Vintage IBM PC Jr Computer 128KB Model 4863 Complete Monitor Wireless Keyboard. IBM Portable PC 5155 Personal Computer Vintage. The 1970s were a heady time in the computer industry. The decade saw many notable inventions and developments, especially in the areas of the personal computer, networking and object-oriented. Most of the components, surprisingly, came from outside of IBM, since building it with IBM parts would have cost too much for the home computer market. When it was introduced, the PC came with a 16,000 character memory, keyboard from an IBM electric typewriter, and a.

IBM System/370 – Announced June 30, 1970 Compatible upgrade from S/360 370 Model 145 is the first computer with fully integrated monolithic memory circuits in which all of the same elements – resistors, capacitors and diodes – are fabricated on a single slice of silicon and 128-bit bi-polar chips New peripherals – 3330/3340/3350 disk.

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