Basics of computer

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Across
  1. 4. the IC chip used in computer is made up of__
  2. 6. Volatile memory
  3. 8. the processed data
  4. 10. graphical pictures that represent an objects like file & folder
  5. 14. a light sensitive device that converts drawings,text or images into digital form
  6. 15. The only language which the computer understands\
  7. 16. a list of instructions used by computer is called _____
  8. 17. a collection of 8 bits is called
  9. 19. another name for main memory in computers
  10. 20. internet explorer is a type of __
  11. 22. Category of software that comprises word processing, graphics, databases etc.
  12. 23. An internet service that allows the user to move a file.
Down
  1. 1. operating system is a type of ____ software
  2. 2. when pointer positioned on a text it is shaped like a hand
  3. 3. data or instructions entered to the computer
  4. 5. a device used to provide hard copy results
  5. 7. buying and selling products over the internet
  6. 9. keys present in top row of keyboard
  7. 11. devices that can be used to directly input printed text?
  8. 12. an error is also known as____
  9. 13. A network that links many different types of computers all over the world.
  10. 17. The smallest unit of data in computer
  11. 18. a high speed memory used in computers
  12. 21. computer virus is a ____