PS/2 connector, purple
to type in stuff :)
keyboard
A keyboard and a mouse are... the mouse is the thing that has a chord attached to the top and with a scroll thing. The keyboard is the thing you use to type with like make stories on word and type questions on wikipedia answers.
The type of connector is used by the analog modems is RJ11 or RJ45.
Use your keyboard and it will automatically type on your computers screen.
The Nest thermostat uses a micro USB power connector.
im not familair with that exact model but i doubt it does require one. as long as it has a USB port, it can use a wired keyboard. If you are unsure of what a USB connector looks like, seach it on Google images.
To actually 'type' data into a computer, a wireless or USB keyboard is commonly used.Some keyboards may use the PS/2 port. Which is a 6-pin mini-DIN connector.
To type letters and number and also for shortcuts.
Use the keyboard.
You use the 1-4 numbers on your keyboard.
Use the trading connector