If the entry is 8 bytes long, each page table has 512 entries, and the Opteron has 4 KB pages. Each of the four level fields are 9 bits long, and the page offset is 12 bits, then the sign extended would be

If the entry is 8 bytes long, each page table has 512 entries, and the

1.	If the entry is 8 bytes long, each page table has 512 entries, and the Opteron has 4 KB pages. Each of the four level fields are 9 bits long, and the page offset is 12 bits, then the sign extended would be
A.	16 bits
B.	32 bits
C.	64 bits
D.	128 bits
Answer» B. 32 bits