The electromagnetic or light waves representing data are called:
Correct answer: B. signal
- A. Information
- B. signal
- C. Sender
- D. Frequency
Explanation
In data transmission, a signal is a physical representation of data that can be transmitted over a communication channel. Electromagnetic or light waves are one way to carry this signal. The signal can be modulated to encode the data, and then demodulated at the receiving end to recover the original data.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Networking and Internet
Networking covers LAN, MAN, WAN and wireless networks, network topologies, transmission media, devices such as switches, routers and modems, and the OSI and TCP/IP models. Internet concepts include IP addresses, DNS, URLs, web browsers, email, protocols such as HTTP, HTTPS, FTP and SMTP, and basic network security.
Practise Networking and Internet
452 free Networking and Internet MCQs from Computer Science and IT, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Computer Science and IT questions like this
Computer Science and IT is on 85 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Networking and Internet questions
Analog Signal is measured in:
How many characters can ASCII 7-bit code represent?
What are the elements of a data communication system except sender, receiver, medium, and voltage?
The process of transferring data electronically from one place to another is called:
What does BCD stand for?
What is a type of communication that sends data using flow control to synchronize data between sender and receiver