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Which of the following is still useful for adding numbers?

A. EDSAC

B. ENIAC

C. Abacus

D. UNIVAC

You can do it yup
  1. Symbolic languages were developed in
  2. The number of records contained within a block of data on magnetic tape is defined by the
  3. A characteristic of card systems is:
  4. Where as a computer mouse moves over the table surface, the trackball is
  5. The central processing unit (CPU) consists of
  6. Which of the following is not input unit device?
  7. Which of the following generation computers had expensive operation cost?
  8. RAM is used as a short memory because it is
  9. The process of communicating with a file from a terminal is
  10. Unwanted repetitious messages, such as unsolicited bulk e-mail is known as
  11. Multi user systems provided cost savings for small business because they use a single processing unit…
  12. Which of the following is considered first computer in the world?
  13. WAN stands for
  14. Each model of a computer has a unique
  15. Which of the following is a read only memory storage device?
  16. Which of the items below are considered removable storage media?
  17. Today's computer giant IBM was earlier known by different name which was changes in 1924. What was that…
  18. ASCII and EBCDIC are the popular character coding systems. What does ASCII stand for?
  19. Which unit holds data permanently?
  20. In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted…
  21. Which of the following contains permanent data and gets updated during the processing of transactions?
  22. An approach that permits the computer to work on several programs instead of one is
  23. The earliest calculating devices are
  24. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately
  25. Which is not a computer classification?
  26. The first computer introduced in Nepal was
  27. Which of the following is the coding of data so that is can't be easily understood if intercepted.
  28. What is the name of the display feature that highlights are of the screen which requires operator attention?
  29. Which of the following memories must be refreshed many times per second?
  30. What is a light pen?