Answer:
I'm not a big tech head but I know that creating a restore point is highly recommended for changing anything that you aren't 100% sure about to your computer.
1-Input unit
2-output unit
3-storage
4-central processing unit
5-arithmetic and logic unit
Answer: Quality is the parameter which describes about the distinctive trait presented by something.The measurement of the quality is based on whether or not the substance is able to fulfill the requirement of the client.
In respect with the computing field ,quality is the characteristic that is supposed to be good if there is presence of no defects or damage and is able to meet the requirement of the user or client. This parameter can be for devices, programming languages, software etc.