Problem 0:

 Name:     #######
 Account:  #######

Problem 1:

Machine code
   add $t1, $t2, $t4   ==> 0x .......... (hexadecimal format)
   addi $t1, $t2,0x20  ==> 0x ..........
   nop                 ==> 0x ..........
   beq $s0,  $s1, LOOP ==> 0x ..........	

Problem 2:
 branch target address:
  2.1
0x400000    bne s0, s1, 3  

 ## Answer #######
  
  2.2
0x40000c    bne s0,s1,-3
  
 ## Answer #######