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  2. KIM-1 - Wikipedia

    en.wikipedia.org/wiki/KIM-1

    The designer of the TV Typewriter, Don Lancaster, developed a low-cost video display for the KIM-1. The add-on board would display up to 4000 characters on a TV or monitor. A typical configuration would be 16 lines of 32 upper-case only characters. The board had only 10 low-cost ICs and used the KIM's memory for the screen storage.

  3. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    By 1976, the cost of the cheapest four-function pocket calculator had dropped to a few dollars, about 1/20 of the cost five years before. The results of this were that the pocket calculator was affordable, and that it was now difficult for the manufacturers to make a profit from calculators, leading to many firms dropping out of the business or ...

  4. IBM Personal Computer AT - Wikipedia

    en.wikipedia.org/wiki/IBM_Personal_Computer_AT

    The AT keyboard uses the same 5-pin DIN connector as the PC keyboard, but a different, bidirectional electrical interface with different keyboard scan codes. The bidirectional interface allows the computer to set the LED indicators on the keyboard, reset the keyboard, set the typematic rate, and other features.

  5. AlphaSmart - Wikipedia

    en.wikipedia.org/wiki/AlphaSmart

    Intelligent Peripheral Devices, Inc. [6] was founded in 1992 by two previous Apple Computer engineers, Ketan Kothari [8] and Joe Barrus, [9] [10] with the mission to "develop and market affordable, portable personal learning solutions for the classroom" and to "deliver affordable, lightweight, rugged portable computing devices that are expandable, easy to use and manage, and provide ...

  6. Programmable calculator - Wikipedia

    en.wikipedia.org/wiki/Programmable_calculator

    BASIC-programmable calculators often featured an additional "calculator-like" keyboard and a special calculator mode in which the system behaved like a scientific calculator. Pocket computers often offered additional programming languages as option. The Casio PB-2000 for example offered ANSI-C, BASIC, Assembler and Lisp. [12]

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Windows Calculator - Wikipedia

    en.wikipedia.org/wiki/Windows_Calculator

    A simple arithmetic calculator was first included with Windows 1.0. [6]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.

  9. Keyboard matrix circuit - Wikipedia

    en.wikipedia.org/wiki/Keyboard_matrix_circuit

    A keyboard matrix circuit is a design used in most electronic musical keyboards and computer keyboards in which the key switches are connected by a grid of wires, similar to a diode matrix. For example, 16 wires arranged in 8 rows and 8 columns can connect 64 keys—sufficient for a full five octaves of range (61 notes).