Bui15p1 Activity 1-3 Puzzle

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Across
  1. 3. A single binary digit representing a 0 (zero) or a 1.
  2. 5. A desktop computer is often referred to as a(n) _______________.
  3. 6. It describes the physical components of a computer system.
  4. 9. A device similar to a pen used on devices with touchscreens and offers more precision than a fingertip.
  5. 10. The most powerful computers used for large-scale data processing.
  6. 11. An input device is used to enter _________ into the computer system.
  7. 12. A hybrid device combining the features of a smartphone and a tablet.
  8. 13. ______________ keyboards have the keys arranged so that users can locate them more quickly and easily and is shaped to make prolonged use more comfortable.
  9. 14. ____________ printer is used to charge sections of a rotating drum which is then used to print using toner powder, achieving a combination of speed with high print quality.
  10. 18. It consists of a number of interrelated components including hardware and software that work together with the aim of converting data into information.
  11. 19. A portable computing device normally equipped with a touch screen and/or a stylus.
  12. 20. ____________ memory is used to improve performance by anticipating the data and instructions that will be needed by the processor.
  13. 23. A temporary means of storing data awaiting processing, instructions used to process data or control the computer system, and data or information that has been processed.
  14. 26. The name given to the use of mobile devices to support medical services.
  15. 27. The term used to describe green ICT, energy efficient computing or sustainable computing.
  16. 28. A variation on optical character recognition which involves detecting and recognizing simple marks made on a document.
  17. 30. Part of the CPU that fetches instructions from software that has been loaded into memory, decodes them and then executes them.
  18. 31. It is used as volatile, working memory by a computer, holding instructions and data that are waiting to be processed.
Down
  1. 1. A device that measures the intensity of a light beam reflected from the printed bar code to identify the digits making up the unique identification number.
  2. 2. A method of acquiring and storing data automatically with little or no human intervention.
  3. 4. A solid state drive.
  4. 5. A unit of information (in bytes) represented as one followed by 15 zeros
  5. 7. Part of the CPU that carries out arithmetic calculations.
  6. 8. It involves using software that attempts to recognise individual characters normally from printed documents.
  7. 15. _____________ can be defined as a series of detailed instructions that control the operation of computer system.
  8. 16. The contents of __________ memory are lost when the power to the device is switched off
  9. 17. A system which has been superseded by new technologies or business practices in an organization but yet difficult or impossible to replace is referred to as _________ system.
  10. 21. A type of ROM that retains its contents until they are changed using a special device known as a burner (abbrev).
  11. 22. A thin and light portable computer with long battery life and solid state storage devices (SSDs).
  12. 24. Class of computers that are widely used and generally provide the best price to performance ratio of all types of computer.
  13. 25. Allows the user to control the operation of a computer program or item of computer hardware using a pointing device, such as a mouse, by selecting options from icons and menu options.
  14. 29. A technology now allow users to make and receive free or low-cost telephone calls via the Internet.