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


B. Punch card reader

C. Optical scanners

D. Magnetic tape

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. An error in software or hardware is called a bug. What is the alternative computer jargon for it?
  2. What is the name of the display feature that highlights are of the screen which requires operator attention?
  3. Which device is used to backup the data?
  4. People often call as the brain of computer system
  5. What is the main difference between a mainframe and a super computer?
  6. Which of the following is machine independence program?
  7. Microprocessors as switching devices are for which generation computers?
  8. in which year was UK's premier computing event started?
  9. A stand-alone system which produces one page of printed output at a time is
  10. The brain of any computer system is
  11. A kind of scanner MICR is the short form of
  12. Which is a semi conductor memory?
  13. A notation used to express clearly on algorithm is known as
  14. which of the following is problem oriented language?
  15. The term gigabyte refers to
  16. A system is
  17. Computers process data into information by working exclusively with :
  18. When did IBM introduce the 20286 based PC/AT?
  19. A modern electronic computer is a machine that is meant for
  20. Who invented punched cards?
  21. Microprocessors can be used to make
  22. The report card and merit list forms the
  23. The capacity of 3.5 inch floppy disk is
  24. Touch Screen is________
  25. The most common type of storage devices are-
  26. The operating speed of third generation computer was
  27. Which of the following is true?
  28. ENIAC uses
  29. Multi user systems provided cost savings for small business because they use a single processing unit…
  30. ________is defined as any crime completed through the use of computer technology.