Which statement is valid about magnetic tape?

A. It is a plastic ribbon

B. It is coated on both sides with iron oxide

C. It can be erased and reused

D. All of above

You can do it
  1. Find out who is not the inventor of transistors among following names
  2. A kind of scanner MICR is the short form of
  3. Which of the following is not an input device?
  4. The first general purpose electronic digital computer in the world was
  5. Which of the following does not store data permanently?
  6. Mostly which of the following device is used to carry user files?
  7. An error in software or hardware is called a bug. What is the alternative computer jargon for it?
  8. Why are vacuum tubes also called valves?
  9. Word length of a Personal Computer is ___
  10. Which computer memory is used for storing programs and data currently being processed by the CPU?
  11. A term associated with the comparison of processing speeds of different computer system is:
  12. UNIVAC was a first generation computer. What is its full form?
  13. A state. is a bi-stable electronic circuit that has
  14. The BIOS is the abbreviation of .
  15. What is the main difference between a mainframe and a super computer?
  16. Which of the following is a way to access secondary memory?
  17. Operating system, editors, and debuggers comes under?
  18. Who is credited with the idea of using punch cards to control patterns in a waving machine?
  19. Which of the following term means to reckon?
  20. When did John Napier develop logarithm?
  21. The central processing unit (CPU) consists of
  22. The task of performing operations like arithmetic and logical operations is called
  23. A ________ is a microprocessor -based computing device.
  24. RJ45 UTP cable has ________ Cables.
  25. What is the name of the display feature that highlights are of the screen which requires operator attention?
  26. Which of the following professions has not been affected by personal computers?
  27. The difference between memory and storage is that memory is ______ and storage is
  28. Identify the true statement
  29. The amount of vertical space between lines of text in a document is called
  30. A computer program that converts an entire program into machine language is called a/an