1) What is the beep code for bad processor?
Correct Answer: 7 beeps
2) What is the usage of POST error code?
Correct Answer: To determine the failing hardware
3) Which device is used for you can test keyboard cable continuity?
Correct Answer: Digital multimeter
4) Which is called a supervisor of computer activity?
Correct Answer: Operating system
5) What should be the first step while OS upgrading?
Correct Answer: Backup critical data