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Reading data is performed in magnetic disk by

A. Read/write leads

B. Sectors

C. Track

D. Lower surface

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  1. Which of the following are the best units of data on an external storage device?
  2. Mostly which of the following device is used to carry user files?
  3. The latest PC keyboards use a circuit that senses the movement by the change in its capacitance,
  4. Which unit holds data permanently?
  5. Junk e-mail is also called
  6. The microcomputer, Intel MCS-80 is based on the widely used Intel
  7. One millisecond is
  8. An input /output device at which data enters or leaves a computer system is
  9. Who invented Integrated Circuits?
  10. Who suggested Stored Program Concept
  11. Which company is the biggest player in the microprocessor industry?
  12. The amount of vertical space between lines of text in a document is called
  13. From which generation operating systems were developed?
  14. Which of the following have low failure rate?
  15. An index register that is automatically incremented or decremented with each use is
  16. One millisecond is
  17. IBM 1401 computer was
  18. The actual execution of instructions happens in
  19. ________ Is the functional key to display Save-As box.
  20. The average time necessary for the correct sector of a disk to arrive at the read write head is _____
  21. Human beings are referred to as Homosapinens, which device is called Sillico Sapiens?
  22. Apple company used chips from for its computers
  23. A set of information that defines the status of resources allocated to a process isA) Process control
  24. The first digital computer built with IC chips was known as
  25. What is the date when Babbage conceived Analytical engine
  26. DOS stands for
  27. From which generation operating systems were developed?
  28. What is the most common tool used to restrict access to a computer system?
  29. UNIVAC is
  30. EBCDIC stands for