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Questions and Answers
How many parity bits are typically added to a data word in a simple parity generator?
How many parity bits are typically added to a data word in a simple parity generator?
- Three
- Two
- None
- One (correct)
What is the primary function of a parity generator circuit?
What is the primary function of a parity generator circuit?
- Generate random binary sequences
- Multiply two binary numbers
- Add two binary numbers
- Check for errors in binary data (correct)
In a parity generator circuit, what is the role of the XOR gate?
In a parity generator circuit, what is the role of the XOR gate?
- Adds binary numbers
- Checks for errors
- Converts binary to decimal
- Generates the parity bit (correct)
What is the purpose of a parity bit in data transmission?
What is the purpose of a parity bit in data transmission?
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In a parity generator circuit, how is the parity bit calculated for even parity?
In a parity generator circuit, how is the parity bit calculated for even parity?
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Study Notes
Parity Generator Circuit
- Typically, one parity bit is added to a data word in a simple parity generator.
- The primary function of a parity generator circuit is to add a parity bit to the data word.
Parity Bit Calculation
- In a parity generator circuit, the XOR gate plays a crucial role in calculating the parity bit.
- The XOR gate is used to perform a modulo-2 addition of the data bits to calculate the parity bit.
Parity Bit Purpose
- The purpose of a parity bit in data transmission is to detect single-bit errors that may occur during data transmission.
- The parity bit is used as an error-detection mechanism to ensure data integrity.
Even Parity Calculation
- In a parity generator circuit, the parity bit for even parity is calculated by performing a modulo-2 addition of the data bits using an XOR gate.
- The result of the modulo-2 addition determines the value of the parity bit, which is set to 0 for even parity or 1 for odd parity.
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