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What is a light pen?

A. Mechanical Input device

B. Optical input device

C. Electronic input device

D. Optical output device

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  1. Floppy disks typically in diameter
  2. What is the name of the display feature that highlights are of the screen which requires operator attention?
  3. The value of each bead in heaven is
  4. One of a class of storage device devices that can access storage locations in any order is
  5. The radian of a number system
  6. A computer program that converts an entire program into machine language at one time is called a/ an
  7. Which operation is not performed by computer
  8. A modern electronic computer is a machine that is meant for
  9. Which type of system puts the user into direct conversation with the computer through a keyboard?
  10. A computer program that converts an entire program into machine language at one time is called a/an
  11. Hard disk is coated in both sides with
  12. While inserting a diskette into the diskette drive of a PC, the diskette's label side should face
  13. Snowbol is an/a________
  14. Modern Computers are very reliable but they are not
  15. A systems programming language for microcomputers in the Intel family is
  16. Tape speed is measured in
  17. What is the name of the display feature that highlights are of the screen which requires operator attention?
  18. When was vacuum tube invented?
  19. The central processing unit (CPU) consists of
  20. The term computer' is derived from
  21. Why ABC is considered electro-mechanical computer?
  22. What is a light pen?
  23. For which of the following computers can't be used?
  24. A system is
  25. The main electronic component used in first generation computers was
  26. ASCII stands for
  27. After copying the content how many times can you paste?
  28. Which electronic component was made out of semiconductor material?
  29. Which of the following memory medium is not used as main memory system?
  30. What is required when more than one person uses a central computer at the same time?