A device invented by Dr. Bobeck in 1966, for mass storage of data is

A. Punched paper tape

B. Magnetic bubble storage

C. Magnetic tape

D. Magnetic disk

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

You can do it
  1. In the IBM PC-At, what do the words AT stand for
  2. The digital computer was developed primarily in
  3. A computer program that translates one program instructions at a time into machine language is called…
  4. Which of the following is the most powerful computers?
  5. RJ45 UTP cable has ________ Cables.
  6. The first digital computer built with IC chips was known as
  7. A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.
  8. Light pen and joystick are________
  9. Mnemonic a memory trick is used in which of the following language?
  10. MSI stands for
  11. Which of the following is a class of computers based on model?
  12. Model 5100 was_____ in 1957.
  13. A dumb terminal has
  14. As compared to the secondary memory, the primary memory of a computer is
  15. Which of the following is not valid statement?
  16. Which is valid statement?
  17. The system unit of a personal computer typically contains all of the following except:
  18. What is a compiler?
  19. The ________ data mining technique derives rules from real-world case examples.
  20. Collecting personal information and effectively posing as another individual is known as the crime of:
  21. Chief component of first generation computer was
  22. Which of the following memories has the shortest access times?
  23. The two kinds of main memory are:
  24. Storage capacity of magnetic disk depends on
  25. Which device is used to backup the data?
  26. An _________ Device is any device that provides information, which is sent to the CPU
  27. CD-ROM is a
  28. Which generation of computer is still under development
  29. Which of the following is used as a primary storage device?
  30. Which statement is valid about computer program?