Tag Archives: network

What is CSMA/CD?

CSMA/CD (Carrier Sense Multiple Access with Collision Detect) is used to coordinate transmission on an Ethernet network. Each network interface must listen to the network media before transmitting. If another interface is transmitting, there will be a signal (called the carrier) … Continue reading

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Network protocols and the OSI model

A network protocol defines a set of rules (standards or conventions) for the exchange of data between hardware and software components in a computer network. The OSI (Open Systems Interconnection) model is an international standard that divides data communication into seven … Continue reading

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HP LaserJet 5N and cheap wireless printing

Earlier this week I helped a friend purchase a secondhand HP LaserJet 5N printer from eBay for less than two pounds. The printer was in excellent condition and was being sold because the owner had upgraded to a new computer … Continue reading

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