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computers | The Third Generation of Personal Computers
personalized apple computer-1976
Apple IIc. We had one at home.
Apple 11C , my first computer
First Apple Computer
Apple llc - 1984
IBM PC (Cuarta Generación)
History, 1981, Ibmpc, Ibm Pcjr, Personal Computers, Tech, 80 S
On August 12, 1981, International Business Machines Personal Computer or IBM PC (model 5150) was released but was discontinued on April 2, 1987. Its OPERATING SYSTEM ---> IBM BASIC / PC-DOS 1.0; CP/M-86; UCSD p-System. CPU ---> Intel 8088 @ 4.77 MHz. MEMORY ---> 16 kB ~ 256 kB. SOUND ---> 1-channel PWM
On August 12 in 1981, the biggest shake-up in the history of computing took place at the Waldorf Astoria Hotel in New York City: The IBM Personal Computer model 5150 was released. The release of the PC revolutionized both business and personal life. Laptops have now replaced PCs.
SOFTWARE: On this day, August 12 in 1981, the biggest shake-up in the history of computing took place at the Waldorf Astoria Hotel in New York City: The IBM Personal Computer model 5150 was released.
En agosto de 1981, IBM introduce al mercado el primer ordenador personal (PC o personal computer), el computador personal de más éxito de todos los tiempos.
On August 12,1981, the IBM Personal Computer model 5150 was released. (Anthony, 2011)
August 12. 1981 IBM introduced its first personal computer, the model 5150.
IBM Personal Computer (IBM 5150) was introduced in August 1981
The IBM PCjr, released in 1984. #IBM #IBMPC #the80s
1980s Tech | Personal Computers | #IBM #computers
RAMAC Segunda Generación
Computers, 1956, Ibm, Disk, Data, Hard Drive
1.0 - IBM 305 RAMAC Disk System 1956: IBM ships the first hard drive in the RAMAC 305 system. The drive holds 5MB of data at $10,000 a megabyte.
The first harddrive was invented is 1979 and only contained 5 mb of data. Over the years more and more has been considered "the norm"
The astounding evolution of the hard drive | PCWorld. From 50 years ago when hard drives were room size, to when we used floppy disks, its interesting to see where we've gone.
IBM's RAMAC 350, the world's first Random Access Magnetic Disk Drive the ancestor of the hard drive in your computer - with five million characters.
В 1956 году компания IBM представила свой первый накопитель на жестких магнитных дисках. Он весил более тонны и хранил 5 мегабайт данных. Cпустя полвека самый слабый iPhone 5S весит 112 граммов и имеет 16 гигабайтов памяти – примерно в 3200 раз больше.
1960: IBM employs 100,000 people. During this period, IBM made and sold massive computers to large governments and corporations. Computers were not yet devices for regular people. In 1964, MIT's Martin Greenberger took to the pages of a magazine to extoll the widespread use of computers ... and there were only 20,000!
In 1956 the first commercial disk drive, called RAMAC (random access method of accounting and control) used 50 disk platters, each 2-feet in diameter and held (a whopping!) 5 megabytes of data! It was the start of the disk drive industry and many thanks to them. http://scififilmfiesta.blogspot.com.au/2014/12/sci-fi-on-film-world-of-1956.html
IBM 305 Random Access Method of Accounting and Control (RAMAC) – 1956. was the first general-purpose computer that facilitated the “random access” of data in real time. Inventor Reynold B. Johnson and his team of engineers had only started working on the technology in 1952. The 305 RAMAC was the earliest commercial computer to feature magnetic disk storage, and it only took around 600 milliseconds to execute the “seek” command.
On this day, September 13, 1956: IBM introduced the RAMAC 305, the first computer disk storage unit. RAMAC stood for “Random Access Method of Accounting and Control” and stored up to 5 million 8-bit characters. The system had a 350 disk storage capacity and was leased for $3,200 at the time which is equivalent to $160,000 today. During the 1960 Olympic Winter Games, IBM provided the first electronic data processing systems for the games through the RAMAC 305 computer.
PDP 1 (Segunda Generación)
Vintage Computers, Computerized Video, Dec Computers, Video Games, Dec Pdp 1, Videogames, 50 Computers, Early Computers
DEC PDP-1 was the first digital computer to include a fully interactive video game: Steve Russell's Spacewar!
The precursor to the minicomputer, DEC´s PDP-1 sold for $120,000. One of 50 built, the average PDP-1 included with a cathode ray tube graphic display, needed no air conditioning and required only one operator. It´s large scope intrigued early hackers at MIT, who wrote the first computerized video game, SpaceWar!, for it. The SpaceWar! creators then used the game as a standard demonstration on all 50 computers. 1960
Parks, Colossus Computer, Electronic Computer, Codebreaking Computers, Today S Computers, Machine, Colossus Photo, Bletchley Park S
A forerunner of today's computers, the Colossus, which became operational in January 1944, was the first practical electronic digital information processing machine in the world. Code breakers at England's famed Bletchley Park used the computer to help decipher intercepted German signal code messages during the second world war. You can see a video of the Colossus in action by clicking here.
The Colossus Computer. Source: Colossus: The Secrets of Bletchley Park's Codebreaking Computers
The Colossus, a decrypting machine developed by the British during WWII.
Colossus - the first large scale electronic computer
old electronics mixing machines - Google Search
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