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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 […]

The History of DynaBook: A Complete Guide Ph.D. candidate Alan Kay envisions the concept of the DynaBook in 1968. He originally called it the KiddiComp. Kay described the it as “a personal computer for children of all ages.” His proposal outlines the requirements for the portable educational device and would offer similar functionality as what […]

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 […]

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 […]

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 […]

  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 […]

Computer Trainer Model 650 The Computer Trainer Model 650 (named also CT-650), developed by Irving Becker, was one of the earliest digital personal computers. Some sources list this computer as the Arkay CT-650, because like many who were involved with early computers, Irving Becker started off in radio and from 1945 was an owner of […]

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 […]

Release Date 1st March 1973 Creator Butler Lampson, Charles P. (Chuck) Thacker Original Price $32,000 Units Sold 2000+ The Xerox Alto was created in 1972 at the Xerox Palo Alto Research Center (PARC). The Alto had a significant impact on the design of PCs in the decades that followed, particularly the Macintosh and the first […]

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 […]

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 […]

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 […]

Colossus computer of Max Newman and Tommy Flowers The WWII hindered the progress for computer inventors like Atanasoff and Zuse, but had the opposite effect on the first british steps toward creation of electronic computer. During the war, the Department of Communications of British Foreign Office created machines, which used electronic circuits to assist the […]

Universal Serial Bus Specs Versions Maximum Data Transfer Speed Connector Types Maximum Cable Length Maximum Charging Power USB 1 12MBps Type A & Type B 3m 500mA USB-2 480Mpbs Supports all connector types. 5m 15W USB 3 5Gpbs USB 3 USB-A (Type-A)USB 3 USB-BUSB-C 3m 12W USB 4 40Gbps USB C TBC 100W The Specifications […]

What is Memex: Complete Explanation The Memex was a conceptual system created by Vannevar Bush for storing data and retrieving it in an easy and organized manner. The system was to provide easy access to the large amount of knowledge that was already recorded. Building on the technology of his time, Bush described a new […]