Clock code — The clock code is a method of mentally computing the sine of an angle between zero and sixty degrees. Pilots sometimes need to do this to estimate the heading correction due to the wind, and sailors may find it useful to do the same thing to… … Wikipedia
Time clock — Early 20th century time clock made by IBM. The face shows employee numbers which would be dialed up by employees entering and leaving the factory. The day and time of entry and exit was punched onto cards inside the box A time clock, sometimes… … Wikipedia
Vickers range clock — The Vickers Range Clock was a clockwork device for calculating the range to an enemy ship used by the Royal Navy from around 1906. In 1903 a device siimlar to that which became the Vickers clock was described by its inventor, Percy Scott. In… … Wikipedia
National Debt Clock — The National Debt Clock on September 15, 2009, at which time it reads approximately 11.8 trillion USD in national debt The National Debt Clock is a billboard sized running total dot matrix display which constantly updates to show the current… … Wikipedia
Quartz clock — A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks are at least an order of magnitude more… … Wikipedia
computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… … Universalium
Timeline of computing hardware 2400 BC–1949 — History of computing Hardware before 1960 Hardware 1960s to present Hardware in Soviet Bloc countries Artificial intelligence Computer science Operating systems Programming languages … Wikipedia
History of computing hardware — Computing hardware is a platform for information processing (block diagram) The history of computing hardware is the record of the ongoing effort to make computer hardware faster, cheaper, and capable of storing more data. Computing hardware… … Wikipedia
Mechanical calculator — An old Russian mechanical calculator. A mechanical calculator is a device used to perform the basic operations of arithmetic. Mechanical calculators are comparable in size to small desktop computers and have been rendered obsolete by the advent… … Wikipedia
History of robots — The history of robots date at least as far back as the ancient legends.Robotics in AntiquityLikely fictional, the Iliad illustrates the concept of robotics by stating that the god Hephaestus made talking mechanical handmaidens out of gold. cite… … Wikipedia
