某计算机字长16位的机器码1111 1111 0000 0000,表示无符号的整数时

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问题:

某计算机字长16位的机器码1111 1111 0000 0000,表示无符号的整数时对应的十进制表达式为 (5) ,表示一个带符号整数的反码时,该机器码表示的十进制表达式为 (6) 。该数的补码是 (7)

A.-(215-28)

B.-(216-28)

C.-(28-1)

D.-28

考点:计算机软件水平考试初级网络管理员初级网络管理员上午试题
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阅读理解。

     What are your hobbies? Many children like stamp-collecting in their spare time. Do you know? Stamp

collecting didn't start until 1854.   As time passes,  there are more  and more  stamp-collectors.  Not only

children  but  also  men  and women are  collectors.   In some countries,  there are even lessons  on stamp

collecting in school. People are becoming more and  more interested  in stamps.  Every picture on a stamp

has its meaning in it.  It may be the head of a famous person,  an important place or special moment.  Each stamp tells us a story.   We can learn  a  lot  from stamps.   Now  stamp-collecting is my favourite hobby.  

Why not join us?          

1. Stamp-collecting started___________.

A.  earlier than 1845                

B.  later than 1921

C.  in 1854                        

D.  hundreds of years ago

2. Stamp-collectors are___________.

A. men and women                

B.  boys and girls

C.  neither young nor old          

D.  both A and B

3.  Lessons on stamp-collecting are given in___________.

A. a few countries  

B.  few countries  

C.  our country  

D.  America only

4. There are more and more stamp-collectors. This sentence means           

A. people are collecting different kinds of stamps

B. the number of stamp-collectors is growing

C. a group of people are collecting stamps

D. more and more stamps are being printed

5. Every picture on a stamp __________.

A. is the head of a stamp-collector

B. tells us something interesting

C. has nothing to do with America

D. tells us a story about some schools

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通报、通报批评是对党员进行教育的形式,不属于党纪处分。(  )

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()理论是现代民主的主流理论,也是现代通行的民主宪政制度的理论基础。

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我国宪法规定:“中华人民共和国的一切权力属于人民。”在我国,人民行使国家权力的机关是(   )

A.人民代表大会

B.国务院

C.人民检察院

D.村民委员会

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庞大的组织结构,由于中间层次多,会影响信息传递的()。

A.时效性

B.全面性

C.真实性

D.准确性

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