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Which of the following memories needs refreshing?

A. SRAM

B. DRAM

C. ROM

D. All of above

You can do it
  1. What is the main difference between a mainframe and a super computer?
  2. After copying the content how many times can you paste?
  3. Computer operators
  4. Which is considered a direct entry input device?
  5. Which device is required for the Internet connection?
  6. Size of the primary memory of a PC ranges between
  7. The brain of any computer system is
  8. A device, which is not connected to CPU, is called as ________
  9. How was the generation of computer classified?
  10. Computer is free from tiresome and boardroom. We call it
  11. Magnetic disks are the most popular medium for
  12. The brain of any computer system is
  13. The term computer' is derived from
  14. What is the first stage in software development?
  15. Regarding data, computers are very good at
  16. Which of the following is the largest unit?
  17. An error in software or hardware is called a bug. What is the alternative computer jargon for it?
  18. Properly arranged data is called
  19. Second generation computers were developed during
  20. The difference between people with access to computers and the Internet and those without this access…
  21. What kind of memory is both static and non -volatile?
  22. MAN stands for
  23. A high quality CAD system uses the following for printing drawing and graphs
  24. A ________ is an additional set of commands that the computer displays after you make a selection from…
  25. Which operation is not performed by computer
  26. As compared to diskettes, the hard disks are
  27. MIS is designed to provide information needed for effective decision making by?
  28. Storage capacity of magnetic disk depends on
  29. Microprocessors can be used to make
  30. When was the transistors invented?