Rationale: This subject is categorized under Applied Technology. After understanding basic communication systems, it is important to proceed further on to the concepts related to Data Communication and Computer Networking. The field of communication is the fastest growing technology and undoubtedly heading towards to a runaway growth in future which makes it important to know how data transfer takes place from one system to another, through different channels and computer networks like LAN, MAN, WAN & the Internet. Protocols and standards along with different switching techniques are some other important issues which are covered in this subject.
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