Quiz submission record for quiz2-2-2 at Thu Jul  1 10:42:53 2004:

Your Answer for Question 1:
mips offers two classes of registers, 
$t0-St9 for temporary registers that are not preserved by the callee
$s0 - $s7 8 saved registers must be preserved on procedure call. 	

Your Answer for Question 2:
if we are not allow to use recursion, there will be more procedure calls add to the program, because programmer need to write each step out. 
and the program will be in a less posibility to run into a infinite loop because you types everysteps out. 	

Your Answer for Question 3:
i am confuse about how 
j
jr
jal
these three instruction works in mips 


Your unique submission ID is quiz2-2-2-cs61c-ek-1088703773-2803.