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When was vacuum tube invented?

A. 1900

B. 1906

C. 1910

D. 1880

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  1. The silicon chips used for data processing are called
  2. The metal disks, which are permanently housed in, sealed and contamination free containers are called
  3. Who invented the high level language C?
  4. The common name for the crime of stealing passwords is:
  5. Which device can understand difference between data & programs?
  6. Which of the following is not electro-mechanical computer?
  7. Why are vacuum tubes also called valves?
  8. A state. is a bi-stable electronic circuit that has
  9. The examination and changing of single bits or small groups of his within a word is called
  10. Which of the following printers are you sure will not to use if your objective is to print on multi…
  11. Where does most data go first with in a computer memory hierarchy?
  12. IBM 1401 is
  13. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to…
  14. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
  15. Which of the following is the 1's complement of 10?
  16. A storage area used to store data to a compensate for the difference in speed at which the different…
  17. Which is the largest computer?
  18. When was vacuum tube invented?
  19. Latency time is
  20. A ________ is a microprocessor -based computing device.
  21. Which is a device that changes information into digital form?
  22. Microprocessors as switching devices are for which generation computers
  23. VGA is
  24. An intentionally disruptive program that spreads from program to program or from disk to disk is known…
  25. An _________ Device is any device that provides information, which is sent to the CPU
  26. Which of the following disk is fixed disk?
  27. MSI stands for
  28. Algorithm and Flow chart help us to
  29. In what respect human beings are superior to computers?
  30. IBM stands for