CS150 Week3

What is the definition of communications with technology according to the document?

• Transfer of information, data, between one or more systems through some media.

• Communications with technology is solely about social media interactions.
• Communications with technology refers only to traditional mail services.
• Communications with technology is the use of analog devices for information exchange.

What is a protocol in communications?

• A protocol is a type of hardware used in networking.
• A protocol is a programming language for software development.
• A protocol is a method for storing data in databases.
• A protocol is a set of rules governing data communication.

Which of the following is NOT listed as an example of a popular protocol?

• FTP

• HTTP

• SSH

• SMTP

What is the key difference between serial and parallel transmission?

• Serial transmission uses more wires than parallel transmission.
• Parallel transmission is more reliable than serial transmission.
• Serial transmission is faster than parallel transmission.
• The key difference is that serial transmission sends data one bit at a time, whereas parallel transmission sends multiple bits at once.

Which device is an example of one that uses serial transmission?

• Printer
• Scanner
• Monitor
• USB devices

What are the three data communication channels

• Analog, Digital, Hybrid

• Serial, Parallel, Duplex

• Simplex, Half-Duplex, Full-Duplex

• Twisted Pair, Coaxial, Optical Fiber

Which transmission media cable is described as having "Zero interference" as an advantage and "Higher costs" as a disadvantage?

• Ethernet cable
• Twisted pair cable
• Coaxial cable
• Fiber optic cable