Hardware Questions

Flag is a flip-flop used to store the information about the status of a processor and the status of the insturction executed most recently.

A software or hardware mark that signals a particular condition or status. A flag is like a switch that can be either on or off. The flag said to be set when it is turned on.

When we enter a URL such as google.com then It searches through local DNS cache, if nothing is there, it queries the ISP's DNS server to resolve the URL.