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减少指令执行周期数是RISC计算机性能提高的基础，它是通过 (17) 、指令控制部件 (18) 微代码、 (19) 寄存器、 (20) 寻址方式、限制访问内存来实现的。 (21) 都是与RISC芯片有关的名词。
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Coffee can be considered one of nature’s greatest gifts. It gives mental and emotional (67) without harmful side effects, and it (68) a wealth of nutrients. Yet, when most people drink coffee, they are not thinking that the beverage is (69) their health. In fact, some may even feel a little guilty, (70) some believe coffee isn’t good for you at all. Well, coffee, like anything else, can cause problems if too much is (71) . Moderate consumption of coffee (72) your body with a wealth of antioxidants. These substances are responsible (73) eliminating free radicals. They are the chemical byproducts produced any time your body does something. A small numi6er of them can help serve (74) a buffer against negative elements, if they aren’t (75) in check, they can cause health problems. Antioxidants ensure that this doesn’t happen. The psychological effects of caffeine cannot be (76) either. Not only does caffeine make you more (77) , but it can actually affect your mood. If you were feeling (78) or overwhelmed, a nice cup of coffee could change your (79) . The stack of work that seemed impossible before isn’t even aproblem now. (80) , caffeine helps stimulate creativity as it speeds up the body’s functioning. That’s why coffee is often (81) with writers and other intellectual professions. Other drags (82) to make people dumber. Consider what happens when people get high off of crack or when they get drank off of alcohol. They won’t be (83) at all. But with coffee, an individual gets a creative boost (84) still helping their bodies. In conclusion, don’t feel bad when you’ve brewing your morning cup of coffee. (85) a can of soda or a shot of alcohol, coffee will make you feel wonderful while keeping you healthy. Just remember, you do have to consume the beverage in (86) .
如果要组成一个容量为、32KB，字长为8位的存储器，共需______个规格为8K×1的芯片。
在SUB[BX+0110H)，BX指令的机器代码中，最后一个字节是______。
甲有一辆汽车要卖掉，便对乙方说：“你先开回去试用，满意的话你就买下，价款8万元。”根据民法和合同法原理及有关规定，请回答下列问题。 设甲、乙约定的试用期间届满，乙对是否购买未作表示的，则( )。
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