Answer:
A setting may have been changed which can cause any number of problems.
Explanation:
Settings relating to how the device boots (usb flash drive instead of the computer's hardware), as well as safe modes. It depends on the setting, what the effect is. Simply put, it can resolve conflicts which may occur between what the comuter can do and what it was set to do.
Answer:
C. Fn Key
Explanation:
The Fn key represents the function key that used for the dual purpose. It is to be activated with the help of shift key. Also, it controls the functions of the hardware i.e. brightness of the computer or laptop screen, volume of the speaker, etc
Also, it overcomes the restrictions with respect to the size of the keyboard
hence, the correct option is c.
They provide tools for sfa spftware
No its actually used for looking up concerns, questions, or rumours
Explanation:
A hub is used to send the message from one port to other ports.It does not know the specific address of the destination where the message needs to send.it works on Physical layer of the OSI model(layer 1).
A switch can handle data and it knows the specific address of the destination.A switch works on the data link Layer of the OSI model(layer 2).