Cache hit occurs when requested data is found in cache. For cache hit, data in main memory is loaded again to cache.

 TRUE

Explanation:

In the field of computing, cache is defined as the software or hardware component which stores the data and information for future use. It is a place in the computer software or hardware where the data are stored for their future use so that it can be retrieved faster when the data or the information is requested by the user.

A cache hit occurs when the data that is requested by the user is found in the cache memory. It is meant to deliver the data faster to the processor. And for the cache hit, the data in the memory is again loaded in the cache when the data is used.

the today function returns a valid value without any arguments.

the today function returns the current date based on the computer's date setting and formatted as a date. today takes no parameters, but requires that you use empty parentheses