IBM PC Model 5150.

IBM PC 5150: Everything You Need To Know

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Three Facts About IBM PC 5150 The IBM PC 5150 originally cost less than $1,600, which was far less than the $9 million price tag of older computers. Despite the term “Personal Computer,” the IBM PC 5150 was designed primarily for business use. This IBM PC was introduced as part of the 5000 microcomputer series, […]

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LINC and Wesley A. Clark in 1962

LINC – Everything You Need To Know

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Many of today’s most essential electronic devices started as nothing more than just a small idea in a laboratory at a university. This is especially true of the LINC — also known as the Laboratory Instrument Computer. Conceptualized by a couple of grad students in the early 1960s, the LINC is widely regarded as the […]

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Hewlett Packard 9100A

Hewlett Packard 9100A: Everything You Need To Know

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Three Facts about Hewlett Packard 9100A The Hewlett Packard 9100A is considered the earliest documented use of the term “personal computer.” Despite this, the 9100A was marketed as a programmable desktop calculator. Bill Hewlett commented, “If we had called it a computer, it would have been rejected by our customer’s computer gurus because it didn’t […]

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HP 9830A

The HP 9830A: Everything You Need To Know

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From today’s perspective, a calculator is decidedly not a computer. You couldn’t do a fraction of the things on a calculator that you could do on a computer. However, looking back at the origins of the computer and its relation to the history of the calculator, it’s clear to see that the two have a […]

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DynaBook – Complete History of the DynaBook

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Key Points Alan Kay invented the concept of the DynaBook in 1968. It was a a personal computer for children of all ages. Alan Kay’s vision of the DynaBook does not exist. The History of DynaBook: A Complete Guide Ph.D. candidate Alan Kay envisions the concept of the DynaBook in 1968. He originally called it […]

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Commodore 64 with monitor and floppy

Commodore 64: Everything You Need To Know

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Commodore 64 (commonly known as the C64 or CBM 64) was manufactured by Commodore Business Machine (CBM) in August 1982 with a starting price of $595. It was an 8-bit home computer with remarkable market success. Between 1983-1986, C64 sales amounted to about 17 million units sold, making them the best-selling single personal computer model […]

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Datapoint 2200: Everything You Need to Know

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Datapoint 2200 was a standalone computer terminal that performed several functions, including printing payroll checks, tracking inventory, and recording shipments. Datapoint 2200 was unveiled at the beginning of 1970 and was launched to the market in May. It became an extremely successful product and was manufactured until 1979. Its 16 kilobytes memory was enough to […]

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CT-650 – History of the Arkay Computer Trainer Model 650

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Computer Trainer Model 650 Key Points The Computer Trainer Model 650 (named also CT-650) was developed by Irving Becker. Becker was developing many educational products, including the digital computer CT-650 and a cardboard kit. Irving was dedicated to education and even made a special version of the CT-650 that was made for blind students. The […]

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Apple II Explained: Everything You Need To Know

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4 Facts About Apple II The Apple II’s central processor unit was based on a MOS 6502 CPU. It came with 4 KB of RAM, but it could be increased to 48 KB. In addition, it came with a BASIC interpreter and the ability to support graphics and a color monitor. Apple first introduced external […]

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MITS Altair 8800 – Complete History of the MITS Altair 8800

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4 Facts About The MITS Altair 8800 The MITS Altair 8800 was the first customizable microcomputer. It can be thought of as the predecessor to the Arduino and Raspberry Pi microcomputers. The Altair 8800’s initial team of creators consisted almost entirely of United States Air Force veterans, many of whom were still serving when MITS […]

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Xerox Alto: Everything You Need to Know

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Release Date 1st March 1973 Creator Butler Lampson, Charles P. (Chuck) Thacker Original Price $32,000 Units Sold 2000+ 3 Facts About the Xerox Alto Computer The Xerox Alto was created in 1972. The Xerox Alto encompassed a variety of Programming Facilities and Software Applications. The Alto was the first system to have all of the […]

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DEC PDP-11 Computer

PDP-11 – Everything You Need to Know

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6 Facts about The DEC PDP-11 Computer If the DEC PDP-11 computer were to be manufactured today, it would cost around $140,000. The DEC PDP-11 computer was so successful it was cloned and copied by Eastern European Socialist Countries. The DEC PDP-11 computer is one of the world’s longest-serving computers as it is still in […]

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Ferranti Mark 1 Console

Ferranti Mark 1 Computer – Everything You Need To Know 

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Five Facts about Ferranti Mark 1 Computer Mark 1 displayed a 20-bit word as a single line of dots of electric charges on the surface of a Williams tube display, with each cathode tube storing 64 lines of dots. The Ferranti Mark 1 specification resembled the final Manchester Mark 1 standard exceptionally closely. To improve […]

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General View of the ENIAC computer

ENIAC Computer- Everything You Need To Know

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6 Facts about ENIAC Computer ENIAC, which meant “Electronic Numerical Integrator And Computer,” was built between 1943 and 1946. John Mauchly and J. Presper Eckert came up with the idea for ENIAC. ENIAC used nearly 17,500 vacuum tubes, 7,200 diodes, and miles of wire to construct the machine. ENIAC took up 1,800 square feet (170 […]

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The History of Colossus Computer

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Key Points: Max Newman designed a machine called Heath Robinson after the cartoonist designer of fantastic machines, which decrypted secret messages. Flowers was an engineer who designed and built Colossus to meet Max Newman’s requirements for a machine to speed up the breaking of the Lorenz cipher. Colossus was able to reduce the time to […]

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The Universal Serial Bus, USB

USB: Everything You Need to Know

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Key Points: The main purpose of the USB was to make connecting disparate devices much less complicated. USB has, for the most part, put many other types of connectors out of commission. The different iterations of the USB have improved it significantly. Universal Serial Bus Specs Versions Maximum Data Transfer Speed Connector Types Maximum Cable […]

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Original illustration of the Memex from the Life reprint of "As We May Think"

Memex Explained: Everything You Need to Know

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Key Points: Vannevar Bush created a new mechanized file and library system he termed a “Memex.” Memex would look like a desk from which one works, and could be operated from a distance. On the top are slanting translucent screens, on which material can be projected for convenient reading. Memex would function somewhat like our […]

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