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Home » Networking » Communication » What is Parity bit?
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What is Parity bit?

By Dinesh Thakur

Parity is a form of “error checking” where the computer checks to see if all the data it was supposed to get really did come through. You will most likely be confronted with parity when you use a telecommunications package to communicate through your modem. In fact, that’s probably why you’re reading this. The dialog box where you can set the serial port settings always wants to know the parity. The default setting is probably the safest thing to use if you don’t know a reason to change it.

 But here are a few tips, according to Scott Watson’s White Knight manual: If two personal computers are talking to each other, both sides should use no parity and 8 bits (data bits). If your personal computer is connecting to a bbs (bulletin board service), use no parity and 8 bits. If you are using 8 bits, you’ll always use no parity or ignore parity. Use “ignore parity” if you are sending international characters like n or C. Otherwise use no parity. If you are using 7 bits (databits), you need to use some form of parity.

 A similar parity scheme is used in most pcs and many other types of computers to continuously check memory chips for errors. You can get parity errors right in the middle of your work, especially during smalltown power problems. Some Macs purchased for the government have parity checking as an option; IBM is a firm believer in parity checking.

 For data transmission over a serial connection, parity checking is less reliable than XMODEM, Kermit, and other checksum-based protocols.

You’ll also like:

  1. What is Parity Check?
  2. What is RAM parity?
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About Dinesh Thakur
Dinesh ThakurDinesh Thakur holds an B.C.A, MCDBA, MCSD certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps.

Dinesh Thakur is a Freelance Writer who helps different clients from all over the globe. Dinesh has written over 500+ blogs, 30+ eBooks, and 10000+ Posts for all types of clients.


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