The earliest calculating devices are

A. Abacus

B. Clock

C. Difference Engine

D. None of these

You can do it
  1. Operating system, editors, and debuggers comes under?
  2. A CPU contains
  3. VGA is
  4. Which unit converts computer data into human readable form?
  5. Web cam is an
  6. Digital devices are
  7. A set of flip flops integrated together is called
  8. Who suggested Stored Program Concept
  9. Which of the following is not a type of Software?
  10. A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by…
  11. When was the X window system born?
  12. CD-ROM stands for
  13. High level language is also called
  14. All of the following are examples of storage devices EXCEPT:
  15. Once you load the suitable program and provide required data, computer does not need human intervention.…
  16. Which of the following is true?
  17. The personnel who deals with the computer & its management put together are called
  18. Which of the following is input device?
  19. On-line real time systems become popular in ________ generation
  20. In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted…
  21. A group of magnetic tapes, videos or terminals usually under the control of one master is
  22. When was the worlds first laptop computer introduced in the market and by whom?
  23. Dot-matrix is a type of
  24. Which of the following is not input unit device?
  25. A kind of scanner MICR is the short form of
  26. Algorithm and Flow chart help us to
  27. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to…
  28. Which of the following is not input unit device?
  29. Which of the following is required when more than one person uses a central computer at the same time?
  30. Instructions and memory address are represented by