Computing

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Across
  1. 1. A program or series of programs directed at some generic application (e.g. word processing) that can be tailored by the user to match his individual needs.
  2. 5. A program designed to perform a specific function
  3. 6. a signal to a processor to suspend temporarily the current sequence of instructions
  4. 10. a big computer system used for large-scale operations
  5. 11. an electronic circuit, usually a quartz crystal, that generates electronic pulses at fixed time intervals to control the timing of all operations in the processor
  6. 12. pattern used as a guide for creating letters or characters
  7. 13. The process of sending signals electronically.
  8. 16. can adjust the space between successive characters to produce a 'best fit’
  9. 19. used for storing part of the operating system and application software known as ‘firmware’; can only be read; cannot be written to or altered in any way
  10. 20. data, programs, etc., not forming part of a computer, but used when operating it.
  11. 21. A sequence of instructions that is repeated until a desired condition is reached
Down
  1. 2. A _________ controller controls a number of similar peripheral devices such as terminals and links them to the main computer
  2. 3. a writing aid enabling the structure of the document to be worked out beforehand and used as a guide when doing the detailed writing
  3. 4. An IBM- _________ computer is one which can be used with other IBM hardware.
  4. 5. groups of bistable devices used to store information in a computer system for high-speed access
  5. 7. A combination of electronic devices and conductors that form a conducting path
  6. 8. A program that manipulates rows and columns of figures, used especially for accounting.
  7. 9. A _________ board is a public teleconferencing system that allows users to read and write messages
  8. 14. This merges information from several channels into one channel.
  9. 15. The name given to system software that is held in ROM.
  10. 17. The ________ editor is a systems program that fetches required systems routines and links them to the object module.
  11. 18. An agreement that covers the procedures used to exchange information between co-operating computers.