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. The term computer' is derived from
  2. SMPS stands for
  3. Which of the following code used in present day computing was developed by IBM Corporation?
  4. in which year was UK's premier computing event started?
  5. Which of the following computer is not invented by J.P. Eckert and John Mauchly?
  6. Compilers and interpreters are themselves
  7. Which of the following processors use RISC technology?
  8. Who invented vacuum tubes?
  9. Which of the following class of computers can process physical quantities such as speed?
  10. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to…
  11. Primary memory stores
  12. Who used punched cards practically for the first time in the history of computers?
  13. Computer operators
  14. When was Pascaline invented?
  15. A song being played on computer speaker is
  16. The first computer introduced in Nepal was
  17. The computer size was very large in
  18. in which year was UKs premier computing event called ?The which computer? started?
  19. BCD is
  20. The processing speed of first generation computers was
  21. A notation used to express clearly on algorithm is known as
  22. Which of the following require large computers memory?
  23. What is the main difference between a mainframe and a super computer?
  24. When a file is saved for the first time
  25. Which of the following have low failure rate?
  26. EBCDIC stands for
  27. Different components of the motherboard of a PC unit are linked together by sets of parallel electrical…
  28. Which of the following memory medium is not used as main memory system?
  29. A technique used by codes to convert an analog signal into a digital bit stream is known as
  30. Which of the following devices have a limitation that we can only store information to it but cannot…