Menu
Home / ECE / Communication Systems :: Discussion

Discussion :: Communication Systems

  1. Compact discs use

    2. A.
    magnetic recording and retrieval
    B.
    optical recording and retrieval
    C.
    optical recording but magnetic retrieval
    D.
    magnetic recording but optical retrieval

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    CD uses optical recording and retrieval.

Write your comments here:

Be The First To Comment