Abacus was the first

A. electronic computer

B. mechanical computer

C. electronic calculator

D. mechanical calculator

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

You can do it
  1. Hardware or software designed to guard against unauthorized access to a computer network is known as…
  2. What type of device is computer keyboard?
  3. A program that converts computer data into some code system other than the normal one is known as
  4. ALU is
  5. Which of the following is not an output device?
  6. A number system that has eight different symbols to represent any quantity is known as
  7. Which of the following is considered first computer in the world?
  8. What type of virus uses computer hosts to reproduce itself?
  9. Instruction in computer languages consists of
  10. A logic bomb that was created to erupt on Michelangelos birthday is an example of a:
  11. A number that is used to control the form of another number is known as
  12. Which of the following is/ are operating systems
  13. A hybrid computer
  14. On-line real time systems become popular in ________ generation
  15. A normal CD-ROM usually can store up to data?
  16. What is the main difference between a mainframe and a super computer?
  17. Who suggested Stored Program Concept
  18. What was the main disadvantage of vacuum tubes?
  19. A register organized to allow to move left or right operations is called a ____
  20. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately
  21. The processing speed of first generation computers was
  22. IMB launched its first personal computer called IBM-PC in 1981. It had chips from Intel, disk drives…
  23. Who is credited with the idea of using punch cards to control patterns in a waving machine?
  24. Which of the following is related to fifth generation computers?
  25. A byte consists of
  26. Which of the following is a read only memory storage device?
  27. Which language was devised by Dr. Seymour Cray?
  28. EPROM can be used for
  29. Which language is directly understood by the computer without translation program?
  30. To produce high quality graphics (hardcopy) in color, you would want to use a/n