Search results
Results from the WOW.Com Content Network
To move the cursor, T-Square used a Spacewar! game controller built by Kotok and Saunders in 1962. It is not known if Saunders was involved in repurposing it for T-Square. Kotok, who was about 20 years old, did participate. He was known for doing what needed to be done and for taking an interest in "all things ingenious or intriguing." [3] The ...
The modern binary number system, the basis for binary code, is an invention by Gottfried Leibniz in 1689 and appears in his article Explication de l'Arithmétique Binaire (English: Explanation of the Binary Arithmetic) which uses only the characters 1 and 0, and some remarks on its usefulness. Leibniz's system uses 0 and 1, like the modern ...
Converts the numbers and functions into binary code. X register and Y register They are number stores where numbers are stored temporarily while doing calculations. All numbers go into the X register first; the number in the X register is shown on the display. Flag register: The function for the calculation is stored here until the calculator ...
To convert a hexadecimal number into its binary equivalent, simply substitute the corresponding binary digits: 3A 16 = 0011 1010 2 E7 16 = 1110 0111 2. To convert a binary number into its hexadecimal equivalent, divide it into groups of four bits. If the number of bits isn't a multiple of four, simply insert extra 0 bits at the left (called ...
In 1941, Zuse followed his earlier machine up with the Z3, [71] the world's first working electromechanical programmable, fully automatic digital computer. [74] The Z3 was built with 2000 relays, implementing a 22-bit word length that operated at a clock frequency of about 5–10 Hz. [75] Program code and data were stored on punched film.
the line-coded signal can be printed on paper to create a bar code. the line-coded signal can be converted to magnetized spots on a hard drive or tape drive. the line-coded signal can be converted to pits on an optical disc. Some of the more common binary line codes include:
Stibitz was born in York, Pennsylvania, the son of Mildred Murphy, a math teacher, and George Stibitz, a German Reformed minister and theology professor. Throughout his childhood, Stibitz enjoyed assembling devices and systems, working with material as diverse as a toy Meccano set or the electrical wiring of the family home. [3]
Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the supervisor of taxes in Rouen . [ 2 ]