To unfreeze the mac book pro, there are two ways :
a. <span>Click the apple logo which is at the top
left of the menu bar and then select 'force quit'.
b. Hold down the option,
command, and escape buttons and then select 'force quit'. </span>
If all else fails, best option is to hold down the power button on the keyboard till it shuts down.
August 10, 1932 in Billund, Denmark
Answer:
b. lw $t4, 4($t0)
c. add $t3, $t5, $t4
Explanation:
Pipeline hazard prevents other instruction from execution while one instruction is already in process. There is pipeline bubbles through which there is break in the structural hazard which preclude data. It helps to stop fetching any new instruction during clock cycle.