What’s the Difference: Communications 101

Communication is an inherent of part of computers and a range of protocols and methodologies have been employed to facilitate this communication. Here we have articles that touch on the basics. You can read these online or download the PDF version of each article.

What’s The Difference Between Bit Rate And Baud Rate?

Serial-data speed is usually stated in terms of bit rate. However, another oft-quoted measure of speed is baud rate. Though the two aren’t the same, similarities exist under some...

What’s The Difference Between The RS-232 And RS-485 Serial Interfaces?

Serial interfaces are used in most electronic equipment today. Some of the original serial interfaces like RS-232 and RS-485 are still widely used. This article summarizes these...

What’s the Difference Between NRZ and PAM?

PAM-4 may be to used to reach 400-Gb/s Ethernet, as well as being a good fit for other high-speed serial interfaces like Fibre Channel. So what’s the difference between the usual...

What’s The Difference Between FDD And TDD?

Mobile networks take advantage of two similar, but different, forms of duplexing to send and receive data quickly and efficiently.

Fundamentals of Communications Access Technologies: FDMA, TDMA, CDMA, OFDMA, and SDMA (.PDF Download)

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