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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

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

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  1. The first Macintosh computer was from
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  3. Personnel who design, program, operate and maintain computer equipment refers to
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  7. Microprocessors as switching devices are for which generation computers
  8. Which of the following is a class of computers based on model?
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  10. Instruction in computer languages consists of
  11. Which was the most popular first generation computer?
  12. Which of the following device was not invented by Babbage?
  13. Which of the following is not a form of data?
  14. Which of the following is not electro-mechanical computer?
  15. The Width of a processor's data path is measured in bits. Which of the following are common data paths?
  16. The BIOS is the abbreviation of .
  17. Which of the following is correct full form of BCD?
  18. Which access method is used for obtaining a record from a cassette tape?
  19. The process of starting a or restarting a computer system by loading instructions from a secondary storage…
  20. The qualitative or quantitative attribute of a variable or set of variables is termed as
  21. The first computer introduced in Nepal was
  22. Who is the father of Computer science?
  23. Which of the following is not an XT microprocessor?
  24. The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
  25. The first machine to successfully perform a long series of arithmetic and logical operations was:
  26. The examination and changing of single bits or small groups of his within a word is called
  27. A ________ is a microprocessor -based computing device.
  28. A physical connection between the microprocessor memory and other parts of the microcomputer is known…
  29. The full form of EEPROM is
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