皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
任务型阅读。 阅读下面短文,根据所读内容在表格中的空白处填入恰当的单词. 注意:每个空格只填一个单词. A smart card is a card that is carried with either a microprocessor and a memory chip or only a memory chip that is not programmable. The microprocessor card can add,delete, and deal with the information on the card, while a memorychip card can only do one thing. Smart cards, unlike magnetic stripe cards, can do many different things and hold a lot of information. In this way, they do not need to get information from a faraway place when they are used. Today, there are several kinds of smart cards, all of which are very popular in the market: IC (Integrated Circuit) Microprocessor Cards (chip cards) offer a larger memory and better security than the traditional magnetic stripe cards do. Chip cards can also hold data. These cards are used for many things. Thus, chips have been the main platform for cards that hold a secure digital identity. Some examples of these cards are: Cards that hold money. Cards that provide safe access to a network. Cards that allow setting stop boxes on televisions to remain safe from privacy. Optical Memory Cards look like cards with a piece of CD on the top. Optical memory cards can store up to 4MB of data. But once written, the data cannot be changed or removed. Thus, this type of card is good for keeping records, such as medical files, driving records or travel histories. Today, these have no processors in them (although this is coming in the near future). While the cards are almost as cheap as chip cards, the card readers are expensive. Title: 1. ________ cards Types 3.________ Disadvantages Similarities IC Chip Cards A larger memory & better 4.________ to hold data Not mentioned Optical 2.________ Cards Store much data. Good for 5.________,drivers and 6.________to keep records. 7. ________ not much. 8.________ data. No processors. Expensive card 9. ________. Popularity. Large 10.. ________. Low cost of cards.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】关于耦合回路的反射阻抗,以下表述错误的是( )。
A.
当初级回路和次级回路同时谐振到激励频率,反射阻抗为纯阻,次级等效回路中的反射电阻与初级回路中的自电阻成正比
B.
反射电阻永远是正值,代表一定能量的损耗
C.
在初级回路和次级回路中并不存在实体的反射阻抗
D.
反射阻抗反映初级回路和次级回路中电流的相互影响
【简答题】设有数据逻辑结构 S= ( D,R ),试按各小题所给条件画出这些逻辑结构的图示,并确定其是哪种逻辑结构。 1. D={d1,d2,d3,d4} R={(d1,d2),(d2,d3),(d3,d4) } 2.D={d1,d2, ... ,d9} R={(d1,d2),(d1,d3),(d3,d4),(d3,d6),(d6,d8),(d4,d5), (d6,d7),(d8,d9...
【单选题】治疗肺热咳嗽,当选用的药物是( )
A.
黄柏
B.
栀子
C.
黄芩
D.
黄连
E.
大黄
【简答题】设有数据逻辑结构S=(D,R),试按所给条件画出这些逻辑结构的图示,并确定相对于关系R,哪些结点是开始结点,哪些结点是终端结点? D= { d1,d2,d3,d4 } R= { (d1,d2),(d2,d3),(d3,d4) }
【简答题】设有数据逻辑结构S=( D,R ),试按所给条件画出逻辑结构的图示,并确定相对于关系 R ,哪些结点是开始结点,哪些结点是终端结点? D= { d1,d2, ... ,d9 } R= { (d1,d 2 ),(d 1 ,d 3 ),(d 3 ,d 4 ) , (d 3 ,d 6 ),(d 6 ,d 8 ),(d 4 ,d 5 ) , (d 6 ,d 7 ),(d 8 ,d 9 ) }
【简答题】设有数据逻辑结构S=(D,R),试按所给条件给出它的逻辑结构。 D={d1,d2,...,d9} R={(d1,d3),(d1,d8),(d2,d3),(d2,d4),(d2,d5),(d3,d9), (d5,d6),(d8,d9),(d9,d7), (d4,d7), (d4,d6)}
【单选题】关于耦合回路的反射阻抗,以下表述错误的是( )。
A.
当初级回路和次级回路同时谐振到激励频率,反射阻抗为纯阻,初级等效回路中的反射电阻与次级回路中的自电阻成正比
B.
反射阻抗反映初级回路和次级回路中电流的相互影响
C.
在初级回路和次级回路中并不存在实体的反射阻抗
D.
反射电阻永远是正值,代表一定能量的损耗
【简答题】设有数据逻辑结构S=(D,R),试按所给条件给出它的逻辑结构。 D={d1,d2,d3,d4} R={(d1,d2),(d2,d3),(d3,d4) }
【简答题】设有数据逻辑结构 S= ( D,R ),试按各小题所给条件画出这些逻辑结构的图示,并确定相对于关系 R ,哪些结点是开始结点,哪些结点是终端结点? 1. 【 严蔚敏习题集 P7 1.3 2 】 D= {d1,d2,d3,d4} R={(d1,d2),(d2,d3),(d3,d4) }
【简答题】设有数据逻辑结构S=(D,R),试按所给条件给出它的逻辑结构。 D={d1,d2,...,d9} R={(d1,d2),(d1,d3),(d3,d4),(d3,d6),(d6,d8),(d4,d5), (d6,d7),(d8,d9) }
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题