The Champions League knock-out stage draw will take place on Friday A supercomputer has predicted the play-off round and last-16 line-ups LISTEN NOW: It's All Kicking Off! Ollie Watkins to Arsenal?

A drawing of specialized GPU computer with chips arranged in rows The result is a new kind of supercomputer — a collection of up to 100,000 chips wired together in buildings known as data ...

Formal drawings are a more precise style of drawing. They can be produced by hand or with computer aided design (CAD) packages. Formal hand drawings use tools such as rulers and set squares to ...