题型：问答题 简答题 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.（75）是（）A.volumeB.spaceC.capacityD.size 查看答案
题型：问答题 简答题 下列描述的性格特征中哪一项属于粘液质气质类型？（）A.精力旺盛，为人直率，易冲动，心情变化剧烈具有外倾性B.活泼，好动，反应迅速，善交际，兴趣与注意力易转移，属外倾C.沉默寡言，稳重，安静，忍耐，情绪深藏，兴趣与注意力不易转移。属内倾性D.明察秋毫，行动迟缓，离群索居，情绪体验深刻，具有内倾性 查看答案
题型：问答题 简答题 测量上使用的平面直角坐标系的坐标轴是（）A.南北方向的坐标轴为y轴，向北为正；东西方向的为x轴，向东为正B.南北方向的坐标轴为y轴，向南为正；东西方向的为x轴，向西为正C.南北方向的坐标轴为x轴，向北为正；东西方向的为y轴，向东为正D.南北方向的坐标轴为x轴，向南为正；东西方向的为y轴，向西为正 查看答案