Functional components of computer

12345678910
Across
  1. 2. this is used by a computer to scan and identify the product or item codes in market places.
  2. 5. it is the control Centre of a computer.
  3. 6. Used to recognizing a pre-specified space on a paper that is marked by a pen or pencil
  4. 7. program which assist a computer by performing maintenance like scanning/cleaning viruses or arranging information
  5. 8. is software which acts as an interface between the user and the computer
Down
  1. 1. This is a part of computer where the data is stored and accessible to the CPU.
  2. 3. this reads the characters printed using a special magnetic ink.
  3. 4. The output device used for making high quality graphics, charts,diagrams,maps.
  4. 9. Performs all arithmetic and logical operations within a computer.
  5. 10. data is accepted by computer through it connected to it.