<p>A set of 7 A3 posters, each with a brief description of a protocol required for OCR J277 Computer Science specification.</p> <p>These posters were designed to be easy to read from across the classroom and therefore contain short, to the point descriptions.</p> <p>Protocols covered are: TCP/IP, HTTP, HTTPS, FTP, POP, IMAP and SMTP.</p> <p>These posters will look fantastic laminated and are guaranteed to liven up any classroom.</p>