www.bbcnoun.com.ng 10/10 Which of the following allows speculative execution? direct mapped cache _______ is the number of bits read out of or written into memory at a time. Unit of transfer Which of the following factors determines the effectiveness of the cache? hit rate _______ is a permanent physical defect such that the memory cell or cells affected cannot reliably store data but become stuck at 0 or 1 or switch erratically between 0 and 1. HARD FAILURE Hard errors can be caused by the following EXCEPT. alpha particles _______ automatically retains a copy of some of the recently used words from the DRAM cache memory ______ logical operation yields true (binary value 1) if and only if both of its operands are true AND External memory consists of the following peripheral storage devices EXCEPT register _______ is a random, nondestructive event that alters the contents of one or more memory cells without damaging the memory SOFT ERROR Which of the following is faster to access? Cache memory