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Define line coding in data communication?
process oftransfer of digital data to digital signal is known as line coding
Why is digital communication known as digital communication?
Digital communication is called that because it uses digital signals—usually in the form of binary code (0s and 1s)—to send, receive, and process information. Unlike analog communication, which uses continuous signals, digital communication breaks data into discrete units and transmits it electronically. This type of communication happens through digital marketing agency in delhil devices like computers, smartphones, and the internet. Examples include emails, text messages, social media, video calls, and online advertising. It’s called digital because the entire process—transmission, reception, and processing—is handled using digital technology, which allows for faster, more reliable, and more efficient communication.
How data communication and digital communication differ?
In digital communication we talk about signal while in data communication we talk about data and the could be in the form of packets or frames.
Difference between analog communication and digital communication?
Analog communication considers infinite amplitude levels. But in digital communication only 2 levels of signal is present.
What are the Advantages of analog and digital communications?
Disadvantage of Analog Communication: 1)Analog Communication systems are costlier than digital communication system. 2)Less Security in Analog Communication 3)More prone to noise interference. Advantage of Analog Communication: 1)Transmission bandwidth required is less. 2)No need of synchronization. Advantage of Digital Communication: 1)Digital Communication systems are simpler and cheaper. 2)Using data encryption only permitted user are allowed to detect the transmitted data. 3)Since in Digital Communication, channel coding is used, therefore a large amount of errors may be detected 4)Since transmitted signal is digital in nature,large amount of noise tolerance may be tolerated Disadvantage of Digital Communication: 1)More transmission bandwidth required. 2)Digital Communication needs synchronization in case of synchronous modulation.
What digital communication device interfaces refrigerators with the Internet?
A digital message board.
Definetion of nyquist rate in digital communication?
if the sampling rate is twice that of maximum frequency component in the message signal it is known as nyquist rate
What is the today's era?
We are currently in the digital age, also known as the Information Age or the Fourth Industrial Revolution. This era is characterized by the widespread use of technology, the internet, and digital communication in various aspects of our lives.
What are the types of telecommunications?
Analog communication & Digital
What has the author Yoshihiko Akaiwa written?
Yoshihiko Akaiwa has written: 'Introduction to digital mobile communication' -- subject(s): Digital communications, Mobile communication systems
Annauniversity two marks for digital communication?
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What are the capabilities of digital communication systems?
A digital communication system consists of six basic blocks. The functional blocks at the transmitter are responsible for processing the input message, encoding, modulating, and transmitting over the communication channel.
