将多项式27+25+22+20表示为十六进制数，值为( )；表示为十进制数，值为(请作答此空)。
- A.165
- B.164
- C.160
- D.129
正确答案及解析
正确答案
A
解析
本题考查数据表示基础知识。
27+25+22+20=10000000+100000+100+1=10100101，表示为十六进制为A5，在十进制情况下为165，即128+32+4+1。
你可能感兴趣的试题
（ ）is the process of transforming information so it is unintelligible to anyone but the intended recipient.
-
- A.Encryption
- B.Decryption
- C.Security
- D.Protection
- 查看答案
As each application module is completed,it undergoes（ ）to ensure that it operates correctly and reliably.
-
- A.unit testing
- B.integration testing
- C.system testing
- D.acceptance testing
- 查看答案
（ ）algorithm specifies the way to arrange data in a particular order.
-
- A.Search
- B.Random
- C.Sorting
- D.Merge
- 查看答案
After analyzing the source code,（ ）generates machine instructions that will carry out the meaning of the program at a later time.
-
- A.an interpreter
- B.a linker
- C.a compiler
- D.a converter
- 查看答案
（ ）can help organizations to better understand the information contained within the data and will also help identify the data that is most important to the business and future business decisions.
-
- A.Data processing system
- B.Big Data analytics
- C.Cloud computing
- D.Database management
- 查看答案