Which of the following is an example of a hardware diagnosis?
a. reading a printer manual about how to check ink levels in cartridges
b. entering a computer's make and model information online in order to locate a video tutorial about losing sound
c. replacing the batteries for a mouse that is unresponsive
d. determining that there is a problem with the computer's motherboard after a computer continuously freezes and crashes

D. Determining that there is a problem with the computer's motherboard after a computer continuously freezes and crashes

Explanation:

    Hardware diagnosis means making use of operating system utilities (softwares) that can be used to perform various tests to ensure that your computer is functioning properly and, if appropriate, to troubleshoot hardware problems. These utilities allow you to perform tests on hardware components such as processor (CPU), memory (RAM), video card (adapter), hard disk drive (HDD), optical drive (CD / DVD / BD), power adapter. (LAN), USB, and Memory Stick driver