6. Derlare in a single statement in C a pointer "p" w the arriy "int a [256] :" so ha p [1] is an alias of a [0]. p[2] is an alias of' a [1] , and so on, all the way up so that p [256] is an alias of a [255]

3. A computer whose proces esses have 2048 pages in their acldress spaces keeps its page tables in memory. The overhead required for reuding a w word from the pige table is 600 nsec. To reduce this overhead, the computer has a TLB, which holds 64 (page. frame) pairs and can do a lookup in 100 nsee. What hil rate is needed to reduce the mean overhead to 200 nsee or less

6. Derlare in a single statement in C a pointer "p" w the arriy "int a [256] :" so ha p [1] is an alias of a [0]. p[2] is an alias of' a [1] , and so on, all the way up so that p [256] is an alias of a [255]

相關申論題

相關試卷