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The earliest calculating devices are

A. Abacus

B. Clock

C. Difference Engine

D. None of these

You can do it
  1. What is required when more than one person uses a central computer at the same time?
  2. Which of the following is not a form of data?
  3. The first machine to successfully perform a long series of arithmetic and logical operations was:
  4. The lower deck of an abacus is known as
  5. Which of the following memory medium is not used as main memory system?
  6. EEPROM stands for
  7. ENIAC uses
  8. Which statement is valid about computer program?
  9. Who is credited with the idea of using punch cards to control patterns in a waving machine?
  10. The tracks on a disk which can be accessed without repositioning the R/W heads is
  11. All modern computer operate on
  12. When was Pascaline invented?
  13. In a computer_____ is capable to store single binary bit.
  14. Which statement is valid about computer program?
  15. The ________ data mining technique derives rules from real-world case examples.
  16. EBCDIC stands for
  17. Which of the following contains permanent data and gets updated during the processing of transactions?
  18. Once you load the suitable program and provide required data, computer does not need human intervention.…
  19. WAN is a most used abbreviation in Networking, what is its full form?
  20. What do you call the programs that are used to find out possible faults and their causes?
  21. A byte consists of
  22. Which of the following term means to reckon?
  23. The two basic types of record access methods are:
  24. Which unit converts computer data into human readable form?
  25. Microprocessors can be used to make
  26. An optical input device that interprets pencil marks on paper media is
  27. A notation used to express clearly on algorithm is known as
  28. Where as a computer mouse moves over the table surface, the trackball is
  29. The control unit of a microprocessor
  30. Which technology is used in Compact disks?