Introduction to Computers

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Across
  1. 2. The unit which performs all arithmetic and logical manipulations
  2. 5. An electronic device used for information processing
  3. 6. A language used in Third generation of computers
  4. 10. Data is stored temporally while program is running
  5. 13. Any data or instructions entered into the computer
  6. 14. hours to complete (A characteristic of the computer)
  7. 16. Brain of the Computer
  8. 18. capacity to perform completely different type of work.
  9. 20. The layout of the keys are similar to that of a traditional typewriter
  10. 21. Also called as Internal Memory
  11. 22. The main component used in the first generation of computers
Down
  1. 1. Result produced by the computer
  2. 3. A set of instructions that drives computer to do stipulated tasks
  3. 4. It takes only few seconds for calculations that we
  4. 7. print the characters by striking them on the ribbon, which is then pressed on the paper
  5. 8. Main component used in Second Generation of Computers
  6. 9. A read-only memory that can be modified only once by a user
  7. 11. Refers to the physical parts of a computer
  8. 12. A memory used to store the data and instructions permanently
  9. 15. Free from tiredness,lack of concentration, fatigue etc.,
  10. 17. A user can do different types of tasks on the computer at the same time
  11. 19. An input device having a spherical ball at both the lower and upper ends