Back to notes -- Keyboard shortcut: 'u'  previous -- Keyboard shortcut: 'p'        Slide program -- Keyboard shortcut: 't'    Program output.Lecture 4 - slide 5 : 24
Program 2
virtual vf in A
f in A

virtual vf in B
virtual vf in A
f in A

virtual vf in B
virtual vf in A
f in A