External command in DOS are

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Question:
 External command in DOS are

1.Copy edit sys format

2.Edit sys chkdsk

3.Chkdsk prompt date

4.Sys ver vol

Posted Date:-2021-10-06 17:26:46

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  15. The synchronous modems are more costly than the asynchronous modems because
  16. To copy the file command.com from drive c: to drive a:
  17. Which of the following is an advantage to using fiber optics data transmission?
  18. . Which of the following types of channels moves data relatively slowly?
  19. A complete microcomputer system consists of
  20. All computers execute
  21. All of the following are divisions of the COBOL program except:
  22. An example of digital rather than analog communication is
  23. Avalanche photodiode receivers can detect bits of transmitted data by receiving
  24. CHKDSK can be used to find
  25. CHKDSK command is used to
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  34. In which year the first operating system was developed
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  38. Pipelining strategy is called implement
  39. Terminals are required for
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  41. The branch logic that provides decision making capabilities in the control unit is known as
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  46. What is the main difference between DDCMP and SDLC?
  47. What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?
  48. Which command be used to clear the screen and display the operating system prompt on the first line of the display?
  49. Which command displays the directory list including files in tree structure?
  50. Which command is used to display all the files having the (.exe) extension but different filename?
  51. Which command is used to make a new directory?
  52. Which command should be used to display all files within the specified subordinate directory of the subdirectory?
  53. Which file organization is allowed by a direct access storage device?
  54. Which of hte following is considered a broad band communication channel?
  55. Which of the following code is used in present day computing was developed by IBM corporation?
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  59. Which of the following performs modulation and demodulation?
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  61. Which of the following statement is correct?
  62. Which of the following statement is incorrect?
  63. While working with Ms-Dos which command transfers a specific file from one disk to another?
  64. xcopy command can copy
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