When was vacuum tube invented?

A. 1900

B. 1906

C. 1910

D. 1880

You can do it
  1. Which access method is used for obtaining a record from a cassette tape?
  2. Which of the following code used in present day computing was developed by IBM Corporation?
  3. Personal computers used a number of chips mounted on a main circuit board. What is the common name for…
  4. RAM is also called as
  5. What type of virus uses computer hosts to reproduce itself?
  6. Which of the following can store information in the form of microscopic pits on metal disks.
  7. A system is
  8. How was the generation of computer classified?
  9. Compilers and interpreters are themselves
  10. Which of the following memory medium is not used as main memory system?
  11. Storage capacity of magnetic disk depends on
  12. What was the expected feature of fifth generation computers when Japan started FGCS?
  13. A normal CD-ROM usually can store up to data?
  14. An integrated circuit is
  15. Which is considered a direct entry input device?
  16. The two kinds of main memory are:
  17. Which is a non-standard version of a computing language?
  18. The original ASCII code used__bits of each byte, reserving that last bit for error checking
  19. Which of the following statement is valid?
  20. On a PC, how much memory is available to application software?
  21. A fault in a computer program which prevents it from working correctly is known as
  22. Any method for controlling access to or use of memory is known
  23. The output quality of a printer is measured by
  24. A computer assisted method for the recording and analyzing of existing or hypothetical systems is
  25. The time for which a piece of equipment operates is called
  26. FORTRAN is
  27. An output device that uses words or messages recorded on a magnetic medium to produce audio response…
  28. An error in software or hardware is called a bug. What is the alternative computer jargon for it?
  29. MSI stands for
  30. An error in software or hardware is called a bug. What is the alternative computer jargon for it?