Which of the following have low failure rate?

A. Mechanical devices

B. electronic devices

C. electro-mechanical devices

D. None of above

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

You can do it
  1. Floppy disks are available in
  2. Which of the following memories needs refreshing?
  3. Mnemonic a memory trick is used in which of the following language?
  4. What was the computer invented by Attanasoff and Clifford?
  5. Serial access memories are useful in applications where
  6. Which of the following processors use RISC technology?
  7. Which of the following printing devices an output composed of a series of data?
  8. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
  9. Integrated Circuits (ICs) are related to which generation of computers?
  10. Which of the following memories has the shortest access times?
  11. Which computers used operating systems by Microsoft?
  12. The basic operations performed by a computer are
  13. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to…
  14. An application program that helps the user to change any number and immediately see the result of that…
  15. An approach that permits the computer to work on several programs instead of one is
  16. The 2's compliment of a binary no. is obtained by adding________to its 1's compliment.
  17. The two kinds of main memory are:
  18. What do you call a single point on a computer screen?
  19. The metal disks, which are permanently housed in, sealed and contamination free containers are called
  20. Hard disk is coated in both side with
  21. Machine language is
  22. Cursor is a
  23. What is the number of read-write heads in the drive for a 9- trac magnetic tape?
  24. The arranging of data in a logical sequence is called
  25. Who designed the first electronics computer ENIAC?
  26. Which programming languages are classified as low level languages?
  27. Which of the following class of computers cannot support multiple users simultaneously?
  28. Which of the following is valid statement?
  29. The ________ data mining technique derives rules from real-world case examples.
  30. Which of the following are the functions of a operating system