Q. What is the disadvantage of using parallel mode in communication?

  • (A) it’s expensive
  • (B) it is dusty
  • (C) no security
  • (D) all of the above
✅ Correct Answer: (A) it’s expensive

Published by Lalit Singh ⭐ 4.06K Points at 16-Mar-2022 02:54 pm in Computer

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