An input /output device at which data enters or leaves a computer system is

A. Keyboard

B. Terminal

C. Printer

D. Plotter

You can do it
  1. A normal CD- ROM usually can store up to _________ _data?
  2. A set of information that defines the status of resources allocated to a process isA) Process control
  3. Which device can understand difference between data & programs?
  4. Which printer is very commonly used for desktop publishing?
  5. Which computers used operating systems by Microsoft?
  6. Cathode Ray Tube is a form of________
  7. Which of the following are the cheapest memory devices in terms of Cost/Bit?
  8. The difference between memory and storage is that memory is _____ and storage is __
  9. The difference between people with access to computers and the Internet and those without this access…
  10. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to…
  11. What type of memory is not directly addressable by the CPU and requires special softw3are called EMS…
  12. In a computer_____ is capable to store single binary bit.
  13. In 1999, the Melissa virus was a widely publicised:
  14. The octal equivalence of 111010 is
  15. A modem is connected to
  16. Punched cards were first introduced by
  17. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
  18. Which type of computers uses the 8-bit code called EBCDIC?
  19. FORTRAN is a programming language. What does FORTRAN stand for?
  20. The capacity of 3.5 inch floppy disk is
  21. Which of the following is first generation of computer
  22. Which of the following IC was used in third generation of computers?
  23. The full form of ALU is
  24. What is the path from which data flow in a computer system is known as
  25. One computer that is not considered a portable is
  26. When did IBM introduce the 20286 based PC/AT?
  27. Any method for controlling access to or use of memory is known
  28. In latest generation computers, the instructions are executed
  29. When was the first electro-mechanical computer developed?
  30. Which unit converts computer data into human readable form?