#electronic_computer__computer__computing_machine__computingmachine__computing_device__computingdevice__data_processor__information_processing_system  a machine for performing calculations automatically
  supertype:  machine  any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
  subtype:  analog_computer  digital_computer  node.electronic_computer  number_cruncher  pari-mutuel_machine  predictor  server.electronic_computer  Turing_machine  web_site
  part of:  platform.computer_system
  part:  busbar__bus  an electrical conductor that makes a common connection between several circuits; "the busbar in this computer can transmit data either way between any two components of the system"
  part:  cathode-ray_tube__cathoderaytube__CRT  a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen
     part:  electron_gun  the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it
     part:  CRT_screen__screen  display on the surface of the large end of a cathode-ray tube on which is electronically created
        part:  foreground.window  (computer science) a window for an active application
  part:  CPU__central_processing_unit__C.P.U.__central_processor__centralprocessor__processor__mainframe  (computer science) the part of a computer (a microprocessor chip) that does most of the data processing; the CPU and the memory form the central part of a computer to which the peripherals are attached
     part:  CPU_board__mother_board  the main circuit board for a computer
  part:  silicon_chip__siliconchip__chip__microchip__micro_chip__microchip  electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit
     part:  integrated_circuit__microcircuit  a microelectronic computer circuit incorporated into a chip of semiconductor; a whole system rather than a single component
  part:  computer_accessory  an accessory for a computer
  part:  computer_circuit  (computer science) a circuit that is part of a computer
  part:  data_converter  converter for changing information from one code to another
  part:  disk_cache  a cache that stores copies of frequently used disk sectors in random access memory (RAM) so they can be read without accessing the slower disk
  part:  diskette__floppy__floppy_disk  a small plastic magnetic disk enclosed in a stiff envelope with a radial slit; used to store data or programs for a microcomputer; "floppy disks are noted for their relatively slow speed and small capacity and low price"
  part:  computer_hardware__hardware  the mechanical, magnetic, electronic, and electrical components making up a computer system
  part:  keyboard  device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the like
     part:  action_mechanism__action  the operating part that transmits power to a mechanism; "the piano had a very stiff action"
        part:  key.lever  a lever that actuates a mechanism when depressed
  part:  memory_board__memory__storage__store  an electronic memory device; "a memory and the CPU form the central part of a computer to which peripherals are attached"
     part:  register.memory_device  (computer science) memory device that is the part of computer memory that has a specific address and that is used to hold information of a specific kind
  part:  monitoring_device__monitor  display consisting of a device that takes signals from a computer and displays them on a CRT screen
     part:  cathode-ray_oscilloscope__cathoderayoscilloscope__oscilloscope__scope__CRO  electronic equipment that provides visual images of varying electrical quantities
        part:  cathode-ray_tube__cathoderaytube__CRT  a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen
  part:  computer_peripheral__peripheral__peripheral_device  (computer science) electronic equipment connected by cable to the CPU of a computer; "disk drives and printers are important peripherals"

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