Wired and wireless connections
Wired and wireless connections

A computer network is a group of connected devices that share data or resources. In a local area network, devices may connect with Ethernet cables or by wireless methods such as Wi-Fi and Bluetooth.
Step-by-step lessons on OCR GCSE Computer Science Wired and wireless networks, protocols and layers. Each one builds up to exam-style questions. Build strong foundations in binary, logic and core programming constructs before moving on to the more complex algorithm design and evaluation questions.