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To prevent the loss of data during power failures, use a(n):

A. Encryption program.

B. Surge protector.

C. Firewall.

D. UPS.

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

You can do it
  1. Which converts the user data into machine readable form?
  2. Reusable optical storage will typically have the acronym-
  3. The contribution of Konrad Zuse was long ignored because
  4. Which of the following is not computer language?
  5. Multi user systems provided cost savings for small business because they use a single processing unit…
  6. ALU and Control Unit jointly known as
  7. The computer size was very large in
  8. The two kinds of main memory are:
  9. Which device is used to backup the data?
  10. Which of the following storage devices can store maximum amount of data?
  11. Central Processing Unit is combination of
  12. Which is the highest form?
  13. In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are…
  14. The organization and interconnection of the various components of a computer system is
  15. Which of the following are the best units of data on an external storage device?
  16. Trackball is A________
  17. RAM stands for
  18. On-line real time systems become popular in ________ generation
  19. Which language was devised by Dr. Seymour Cray?
  20. IBM 7000 digital computer
  21. Which of the following class of computers cannot support multiple users simultaneously?
  22. The difference between memory and storage is that memory is _____ and storage is __
  23. A compiler is a translating program which
  24. Which of the following is a storage device?
  25. Which device can understand difference between data & programs?
  26. Which of the following are input devices?
  27. ________are specific to users' needs
  28. By programmable machine we mean
  29. A floppy disk contains
  30. Memory unit is one part of