The earliest calculating devices are

A. Abacus

B. Clock

C. Difference Engine

D. None of these

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

You can do it
  1. VGA is
  2. Which of the following is a part of the Central Processing Unit?
  3. The CPU and memory are located on the:
  4. The process of transferring files from a computer on the Internet to your computer is called
  5. Light pen and joystick are________
  6. The system unit of a personal computer typically contains all of the following except:
  7. Which of the following devices can be sued to directly image printed text?
  8. Most of the first generation computers were
  9. A storage area used to store data to a compensate for the difference in speed at which the different…
  10. Which of the following is not input unit device?
  11. The basic operations performed by a computer are
  12. Which of the following is the first computer to use Stored Program Concept?
  13. What is the main difference between a mainframe and a super computer?
  14. In a computer, most processing takes place in
  15. When was Apple Macintosh II microcomputer introduced in the market?
  16. Algorithm and Flow chart help us to
  17. The computer code for the interchange of information between terminals is
  18. A datum that indicates some important state in the content of input or output is
  19. An error in software or hardware is called a bug. What is the alternative computer jargon for it?
  20. The value of each bead in heaven is
  21. Machine language is
  22. The first computers were programmed using
  23. Regarding a VDU, Which statement is more correct?
  24. Which of the following statement is false?
  25. Which of the following are the best units of data on an external storage device?
  26. An optical input device that interprets pencil marks on paper media is
  27. Which of the following are the cheapest memory devices in terms of Cost/Bit?
  28. Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU…
  29. EEPROM stands for
  30. Where are data and programme stored when the processor uses them?