PIPO , Bidrectional, Unidirectional and some questions

 PIPO

Load mode mtlb load honge input and load mode hoga jb 0 hoga load/shift switch

shift mode mtlbb jb load ho chuka hoga input and hume shift krke output lena hoga ye tb hoga jb shift/load mode = 1 hoga  

Bidirectional shift register

Universal shift registers 

>>Q

>>preset and clear in flip flop