Hello chegg expert please I need your help it's urgent for me . I need the correct answers for those questions as soooon as possible please please

1: (Single-choice question ) Which part is not shared by modern multi-core CPU A L1-cache

B L2-cache

C L3-cache

D. Memory

2. (Single-choice question) Which is not the interconnection network we have learned? A SAN

B NAS

C WAN

D. LAN

2. Fill in the blanks (4 questions in total)

1- HPC stands for?

2-MPP stands for?

3- GPU stands for?

4- ISA stands for?

5-What is the difference of CPU and GPU