14216484
Description
Mind Map by Daniel Taylor, updated more than 1 year ago
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Created by Daniel Taylor
over 6 years ago
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Transmission checks
- Parity
- An extra bit is added to a binary code make an even or odd number of 1s depending on the.....
- An extra bit is added to a binary code make an even or odd number of 1s depending on the.....
- Check digits
- Final digit in a code of numbers calculated from all other digits in the code
- Final digit in a code of numbers calculated from all other digits in the code
- Check sums
- Data is sent in blocks and an additional value, the checksum is sent at the end of the block of data
- The relieving computer calculates the checksum and if it isn’t equal to the checksum sent by the sending computer there is an error
- The relieving computer calculates the checksum and if it isn’t equal to the checksum sent by the sending computer there is an error
- Data is sent in blocks and an additional value, the checksum is sent at the end of the block of data
- ARQ
- The receiving computer checks to see if the data has been received
- The sending computer waits a set period of time, if the receiving computer doesn’t acknowledge the transmission then the sending computer sends it again
- The sending computer waits a set period of time, if the receiving computer doesn’t acknowledge the transmission then the sending computer sends it again
- The receiving computer checks to see if the data has been received
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