Answer:
b) branch history table
Explanation:
Branch prediction in computer architecture which works by predicting or guessing which way an operation (conditional operation: like an if-else-operation) will go before it occurs. This operation is performed by a digital circuit known as branch predictor. Branch history table contains the address of the branch instruction. In branch history table, when there is a branch instruction, a bit is store to indicate if the branch was recently taken.
Answer:
3
Explanation:
= 1 + (int) (4*(63 - 51)/(71-51)))
= 1 + (int) (4*12/20)
= 1 + (int) (48/20)
= 1 + (int)2.4
= 1 + 2
= 3