First generation computers used _________ for memory

A. vacuum tubes

B. silicon chips

C. magnetic drum


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  1. The complete picture of data stored in database is known as
  2. Which of the following are the functions of a operating system
  3. A language which is close to that used within the computer is
  4. The ________ data mining technique derives rules from real-world case examples.
  5. Main storage is also called
  6. Identify the correct statement
  7. The full form of ALU is
  8. A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots…
  9. What is the date when Babbage conceived Analytical engine
  10. Symbolic logic was discovered by
  11. Central Processing Unit is combination of
  12. Second Generation computers were developed during
  13. ________ Is the appearance of typed characters?
  14. Most of the first generation computers were
  15. A systems programming language for microcomputers in the Intel family is
  16. What do you call the programs that are used to find out possible faults and their causes?
  17. What is the most common tool used to restrict access to a computer system?
  18. Today's computer giant IBM was earlier known by different name which was changed in 1924. What was that…
  19. 174. When was the X window system born?
  20. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?
  21. Who suggested Stored Program Concept
  22. The first electronic computer was developed by
  23. Where are data and programme stored when the processor uses them?
  24. MSI stands for
  25. CD-ROM is a
  26. Why ABC is considered electro-mechanical computer?
  27. Which of the following is used for manufacturing chips?
  28. An input /output device at which data enters or leaves a computer system is
  29. Which type of system puts the user into direct conversation with the computer through a keyboard?
  30. Who invented Analytical engine?