DOS was introduced by

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Question:
DOS was introduced by

1.IBM

2.Xerox

3.Microsoft

4.Bell labs

Posted Date:-2021-08-07 01:36:35

More MCQS Questions and answers

  1. _________ is a collection of system programs that controls and co-ordinates the overall operations of a computer system.
  2. _________ uses liquid crystal between the glass plates.
  3. 1 Gigabyte is equal to
  4. A computer program that translates one statement of program instructions at a time into machine language is called
  5. A program placed in a legitimate program for unauthorized and hidden access to the system is called:
  6. A technique to get small amount of money illegally from large financial system is:
  7. A type of reader commonly used to read UPC code is __________.
  8. An address is a _____, while a pointer is a _____.
  9. An important property of fiber optic is
  10. Analog signal is measured in:
  11. Bundling data and functions together is known as
  12. Caps Lock is a:
  13. CRT stands for?
  14. Data is transmitted block-by-block in ___________ transmission.
  15. DOS was introduced by
  16. FormatC is an example of virus _________.
  17. GPS stands for?
  18. he computer can move data and instructions between storage and memory as needed, in a process called
  19. If a legitimate user does not log off from system, an illegitimate user may be involved in:
  20. In C++, a pointer is
  21. In MS Windows key F1 is mostly used for
  22. Internet surfing is an example of:
  23. MAN stands for?
  24. NTFS stands for?
  25. Open System Interconnection(OSI) model consists of _________ layers.
  26. The amount of time taken by a device to begin reading data is called
  27. The dots that compose the image of a digital photograph are called __________.
  28. The file type #include is called
  29. The goto statement causes control to go to a/an
  30. The most widely used code for representing characters in computers is
  31. The process to convert analog signals into digital signals is called
  32. The RAID technology that contributes to fault tolerance is called
  33. The software used for workgroup computing is called
  34. The term that refers to a circular portion of the disk is:
  35. The translated program into machine code is called _________.
  36. The type of reader commonly used to read bank cheques is
  37. To generate different random numbers in C++, which of the following header file(s) must be included?
  38. What is the statement that displays the address of the variable myvar?
  39. What type of operating system MS-DOS is?
  40. When you press a key, which device notifies the system software?
  41. Which of the following coding schemes uses 4-bit code?
  42. Which of the following communication medium requires line-of-sight ?
  43. Which of the following devices stores instructions that help the computer startup?
  44. Which of the following is LAN protocol?
  45. Which of the following keyboard shortcuts is used to change the case?
  46. Which of the following memories can be re-written by using electrical devices?
  47. Which of the following operating system is based on open-source software?
  48. Which of the following RAID technology is used to improve system performance?
  49. Which of the following standards were developed without any formal planning?
  50. Which one is the Bottom-most layer of OSI model?
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