Answer:
Sometimes yes, sometimes you can do it yourself
Explanation:
Installing a Nest thermostat can be done yourself without an electrician in most cases. Nest thermostats are designed to work in homes without a common (“C”) wire. However, there are rare cases a C wire or other power-supply accessory may be required. An electrician is recommended in these rare cases.
Answer: Embedded system
Explanation:The combination of the hardware system along with software system to perform a particular function or task is known as the embedded system. It is a specific performance device which does its working on the basis of the microcontrollers as well as microprocessors .It performs the task according to the programs that are invoked in it to do the task in a larger device.
Example:- Printers performs specific task of printing and scanning
It depends on the length of the words.
