Where as a computer mouse moves over the table surface, the trackball is

A. Stationary

B. Difficult to move

C. Dragged

D. Moved in small steps

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

You can do it
  1. A type of channel used to connect a central processor and peripherals which uses multiplying is known…
  2. Which was the computer conceived by Babbage?
  3. Nepal brought a computer for census of 2028 BS. This computer was of
  4. The term gigabyte refers to
  5. Which of the following memories must be refreshed many times per second?
  6. Floppy disks which are made from flexible plastic material are also called?
  7. Second generation computers were developed during
  8. When did IBM introduce the 20286 based PC/AT?
  9. RJ45 UTP cable has _____ Cables.
  10. Which part interprets program instructions and initiate control operations.
  11. The personnel who deals with the computer & its management put together are called
  12. An area of a computer that temporarily holds data waiting to be processed is________
  13. Microprocessors as switching devices are for which generation computers
  14. Which of the following statement is false?
  15. Signals can be analog or digital and a computer that processes the both type of signals is known as
  16. Any method for controlling access to or use of memory is known
  17. When was the first electro-mechanical computer developed?
  18. Which was the most popular first generation computer?
  19. The time required for the fetching and execution of one simple machine instruction is
  20. The first firm to mass-market a microcomputer as a personal computer was
  21. One computer that is not considered a portable computer is
  22. FORTRAN programming language is more suitable for ____
  23. Which of the following is not purely output device?
  24. Personal computers used a number of chips mounted on a main circuit board. What is the common name for…
  25. ASCII stands for
  26. Who is the inventor of ABC Computer?
  27. The two kinds of main memory are:
  28. What are the stages in the compilation process?
  29. Why is it unethical to share copyrighted files with your friends?
  30. What is the responsibility of the logical unit in the CPU of a computer?