Saturday Mac riddles 272

Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation.

1: Used by courting birds with a haven for video and audio to replace the others.

2: 506 Romans can handle analogue and digital to display.

3: With CTA-861, 19 pins and five connectors, it’ll carry all your media, even HDCP.

To help you cross-check your solutions, or confuse you further, there’s a common factor between them.

I’ll post my solutions first thing on Monday morning.

Please don’t post your solutions as comments here: it spoils it for others.