What is the most common tool used to restrict access to a computer system?

A. User logins

B. Passwords

C. Computer keys

D. Access-control software

You can do it
  1. Which of the following contains permanent data and gets updated during the processing of transactions?
  2. The process of transferring files from a computer on the Internet to your computer is called
  3. The scrambling of code is known as:
  4. The capacity of 3.5 inch floppy disk is
  5. The first computer introduced in Nepal was
  6. A number system that has eight different symbols to represent any quantity is known as
  7. When was the company named IBM?
  8. The advantage of COM are its __ and __
  9. What is required when more than one person uses a central computer at the same time?
  10. RATS stand for
  11. Which is a machine-oriented high-level language for the GEC 4080 series machines.
  12. Which of the following is not the classification of computers based on application?
  13. A systems programming language for microcomputers in the Intel family is
  14. The tracks on a disk which can be accessed without repositioning the R/W heads is
  15. An integrated circuit is
  16. What does DMA stand for?
  17. Which of the printers used in conjunction with computers uses dry ink powder?
  18. Which of the following produces the best quality graphics reproduction?
  19. Which of the following is not a valid size of a Floppy Disk?
  20. Which of the following is a storage device?
  21. Coded entries which are used to gain access to a computer system are called
  22. A directly accessible appointment calendar is feature of a resident package
  23. As compared to the secondary memory, the primary memory of a computer is
  24. Which is the limitation of high level language?
  25. Apple company used chips from for its computers
  26. When was Pascaline invented?
  27. A directly accessible appointment calendar is feature of a __ resident package
  28. Identify the true statement
  29. When a file is saved for the first time
  30. Charles Babbage is considered the father of modern computers because