Unofficial Mark scheme OCR GCSE Computer Science J276 - Computer Systems (Paper 1)Watch
Look forward to seeing this tomorrow! Good luck with your exam!
Hello, I know this is early but I will update and maintain the correct unofficial mark scheme for this exam. I am a grade 9 student and will confirm the answers with my teacher.
Application - turns data into websites and other applications e.g HTTP, FTP, SMTP
Transport - controlling data flow e.g splitting data into packets and checking there are correctly sent and delivered TCP
Network - making connections between networks, directing data packets and handling traffic e.g IP
Link - passing data over the physical network, data sent over cables and wifi e.g ethernet