Which of the following is a secondary memory device?

A. Keyboard

B. Disk


D. All of the above

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

You can do it
  1. Which statement is valid about magnetic tape?
  2. Which type of system puts the user into direct conversation with the computer through a keyboard?
  3. Which of the following is the largest unit?
  4. The two major types of computer chips are
  5. Current SIMMs have either or connectors (pins)
  6. A computer consists of
  7. A Pixel is
  8. How many bit code is used by Murray code for TELEPRINTER machines.
  9. Which of the printers used in conjunction with computers uses dry ink powder?
  10. A normal CD- ROM usually can store up to _________ _data?
  11. Which of the following IC was used in third generation of computers?
  12. The term GIGO is related to
  13. Which of the following are the best units of data on an external storage device?
  14. Primary memory stores
  15. BCD is
  16. _______ computers are also called personal computers
  17. When was vacuum tube invented?
  18. Computers process data into information by working exclusively with :
  19. To produce high quality graphics (hardcopy) in color, you would want to use a/n
  20. Which of the following is not electro-mechanical computer?
  21. Which of the following is/ are operating systems
  22. Networking such as LAN, MAN started from
  23. Instruction in computer languages consists of
  24. A dumb terminal has
  25. Which of the following memories needs refreshing?
  26. The first electronic general purpose digital computer built by Eckert and Mauchly called ENIAC did not…
  27. A computer program that converts an entire program into machine language at one time is called a/an
  28. The first general purpose electronic computer in the world was
  29. Programs designed to perform specific tasks is known as
  30. ________is a combination of hardware and software that facilitates the sharing of information between…