Which of the following memories must be refreshed many times per second?

A. Static RAM

B. Dynamic RAM



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  1. What is the main difference between a mainframe and a super computer?
  2. Data becomes ________ when it is presented in a format that people can understand and use
  3. John Napier invented Logarithm in
  4. Codes consisting of light and dark marks which may be optically read is known as
  5. FORTRAN is
  6. COBOL is widely used in application s
  7. Which of the following memories allows simultaneous read and write operations?
  8. In order to play and hear sound on a computer, one needs:
  9. The first web browser is
  10. The brain of any computer system is
  11. When we look at the cost, which of the following computer is most expensive?
  12. A storage system for small amounts of data is
  13. A group of magnetic tapes, videos or terminals usually under the control of one master is
  14. ________ refers to electronic trespassing or criminal hacking.
  15. Data division is the third division of a _____ program.
  16. Which of the following is not a feature of first generation computers
  17. Which of the following is internal memory?
  18. A kind of scanner MICR is the short form of
  19. The subject of cybernetics deals with the science of
  20. Intel corporation produces chips for which computers?
  21. Which of the following storage device can store the largest amount of data?
  22. Which technology is more reliable?
  23. COBOL is an acronym for________
  24. By programmable machine we mean
  25. Binary numbers need more places for counting because
  26. Which of the following is not anti-viruses software?
  27. Magnetic disks are the most popular medium for
  28. Why ABC is considered electro-mechanical computer?
  29. One computer that is not considered a portable is
  30. Which is a device that changes information into digital form?