A delivery driver uses a handheld barcode scanner to upload delivery confirmation signatures to a company's main logistics database hosted on a mainframe at the distribution headquarters. This interaction uses a client-server architecture.
Identify which device acts as the server in this scenario and justify your choice.
54 exam-style questions on OCR GCSE Computer Science Wired and wireless networks, protocols and layers. Each one has a worked solution and a mark scheme showing where the marks go.