Type any four numbers. The lab writes them in binary the way you would by hand — biggest weight that fits, subtract, repeat — then tells you whether it is even legal, and which class it belonged to in 1981.
The address
Try one of these
Thirty-two bits — and the weights that build them
Legal dotted decimal?
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Class, in 1981
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The same 32 bits, three ways
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bitsarebits.com · CSE 316 — Data Communication & Networking