Communications and Networks pt. 1 questions and answers graded A+ 2025/2026

Communications and Networks pt. 1

______ _____ is the process of sharing data, programs, and information between 2 or more
computers - ANS-Computer communications

Applications that depend on communication systems (4): - ANS-1. Email
2. Texting
3. Video conferencing
4. Electronic commerce

_____ uses computer networks to link people and resources - ANS-Connectivity

_______ means you can connect your PC to other PCs and information sources almost
anywhere - ANS-Connectivity

______ _____ involves the use of mobile or wireless devices like smartphones and tablet PCs -
ANS-Wireless revolution

The ______ is the support of more than just the wireless telephone. Today's mobile devices
support e-mail, web access, and other internet applications - ANS-Revolution

Many devices can and will connect to one another without any _______ connection -
ANS-physical

______ _____ are electronic systems that transmit data from one location to another -
ANS-Communication systems

Communication systems can be ______ or _____ - ANS-wired, wireless

4 basic elements of Communication Systems: - ANS-1. Sending and receiving devices
2. Connection devices
3. Data transmission specifications
4. Communication channel

Sending and receiving devices: ______ or a _______ computer device - ANS-computer,
specialized

Connection devices: Act as an _____ between sending and receiving devices; convert outgoing
messages into _______ that can travel across the communication channel - ANS-Interface,
Packets