A False-To-True Transition of Input B Causes All Data in the FIFO

Multiple Choice

A false-to-true transition of input B causes all data in the FIFO file to:

A) shift one position toward the ending address of the file.
B) shift one position toward the starting address of the file.
C) set all data in the file to 1.
D) rest all data in the file to 0.