The "main storage" normally means that part of internal storage into which instructions and other data must be loaded for subsequent execution or processing. In large computing systems, the term "main storage" is (71) to "memory". "Buffer" mainly indicates a special-purpose storage or storage area allowing, through (72) storage, the data transfer between two functional units having different transfer characteristics. A buffer storage is used between non-synchronized devices or where one is (73) and the other is parallel or between those having different trans far rates. " (74) (memory)" is also a special-purpose buffer storage, smaller and faster than main storage, used to hold a copy of instructions and data obtained from main storage and likely to be needed next by the processor. "Register" is commonly composed of a part of internal storage having a specified storage (75) and usually intended for a specific purpose.

（74）是（）

A.Cache

B.Buffer

C.Register

D.Trigger

下列关于董事会应当履行的合规职责的说法，错误的是（）。

A.审议批准合规政策，监督合规政策的实施，并对实施情况进行年度评估

B.决定公司合规管理部门的设置及其职能

C.根据总经理提名决定合规负责人的聘任、解聘及薪酬事项

D.制定并执行风险为本的合规管理计划，包括特定政策和程序的实施与评价、合规风险评估、合规性测试与教育等