An optical input device that interprets pencil marks on paper media is


B. Punch card reader

C. Optical scanners

D. Magnetic tape

You can do it yup
  1. Which of the following statement is valid?
  2. Which output device is used for translating information from a computer into pictorial form on paper.
  3. The ________ data mining technique derives rules from real-world case examples.
  4. A ________ is an additional set of commands that the computer displays after you make a selection from…
  5. Which of the following is not electro-mechanical computer?
  6. A compiler is a translating program which
  7. Note book, laptop, palm, hand-held computers are coming under the category of________ computer
  8. In a punched card system, data is processed by a
  9. ________ is the measurement of things such as fingerprints and retinal scans used for security access.
  10. The Stepped Reckoner was invented by
  11. A computer can solve more than one kind of problem. This is related to which of the following characteristics?
  12. What is the main difference between a mainframe and a super computer?
  13. Which of the following is the 1's complement of 10?
  14. Which of the following memory medium is not used as main memory system?
  15. What characteristic of read-only memory (ROM) makes it useful?
  16. Magnetic disk is an example of
  17. The device that can both feed data into and accept data from a computer is
  18. The first computer introduced in Nepal was
  19. A storage area used to store data to a compensate for the difference in speed at which the different…
  20. Software in computer
  21. Who is credited with the idea of using punch cards to control patterns in a waving machine?
  22. You organize files by storing them in
  23. A paper printout of a document is known as
  24. What is required when more than one person uses a central computer at the same time?
  25. In a computer, most processing takes place in
  26. Which of the following memories must be refreshed many times per second?
  27. Chief component of first generation computer was
  28. Computer is free from tiresome and boardoom. We call it
  29. The primary advantage of key-to-tape data entry system is
  30. The notable features like keyboards, monitors, GUI were developed in