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Which is considered a direct entry input device?

A. Optical scanner

B. Mouse and digitizer

C. Light pen

D. All of the above

You can do it
  1. EPROM can be used for
  2. People often call ______ as the brain of computer system
  3. Floppy disks are available in
  4. What was the first computer brought in Nepal?
  5. ________ Store data or information temporarily and pass it on as directed by the control unit
  6. 1 nibble equals to
  7. RAM stands for
  8. EPROM can be used for
  9. Why ABC computer is called so?
  10. When a file is saved for the first time
  11. Which of the following is still useful for adding numbers?
  12. In the IBM PC-At, what do the words AT stand for
  13. How many address lines are needed to address each machine location in a 2048 x 4 memory chip?
  14. The difference between memory and storage is that memory is _____ and storage is __
  15. ________are specific to users' needs
  16. The term GIGO is related to
  17. Why are vacuum tubes also called valves?
  18. The main electronic component used in first generation computers was
  19. Which of the following is valid statement?
  20. Which of the following is also known as brain of computer
  21. Which of the following programming language started from second generation?
  22. Software in computer
  23. What is required when more than one person uses a central computer at the same time?
  24. The computer that can input analog signals and return result in digital form
  25. The notable features like keyboards, monitors, GUI were developed in
  26. Apple company used chips from for its computers
  27. Which type of computers uses the 8-bit code called EBCDIC?
  28. Microprocessors as switching devices are for which generation computers
  29. Which of the following is not a class of computers based on size?
  30. A set of flip flops integrated together is called ____