【名词&注释】
电子邮件(e-mail)、数字签名(digital signature)、可移植性(portability)、间隔时间(interval time)、语法错误(syntactic error)、英文单词(english words)、信道编码(channel coding)、等待时间(waiting time)、十六进制(hexadecimal system)、不能实现(cannot realize)
[单选题]The（ ）serves as the computer’s CPU.
A. semiconductor
B. microprocessor
C. cache
D. bus controller
查看答案&解析
举一反三：
[单选题]WCDMA信道编解码主要采用(26)码。
A. Turbo
B. 卷积
C. Reed-Solomon
D. QPSK
[单选题]以下选项中，(5)协议不能实现(cannot realize)电子邮件的安全传输。
A. PGP
B. S/MIME
C. SMTP
D. TLS
[单选题]In the Ethernet LAN, an algorithm was chosen to dynamically adapt to the number of stations trying to send. It is caned(71).
A. backward learning
B. binary exponential backoff
C. spaanning tree
D. CRC
[单选题]NET is both a business strategy from Microsoft and its(71)of(72)support for what are known as Web services, the ability to use the Web rather than your own computer for various services. Microsoft's goal is to provide individual and business users with a(73)interoperable and Web-enabled interface for applications and computing devices and to make computing activities increasingly Web browser-oriented. The .NET(74)includes servers; building-block services, such as Web-based data storage; and device software. It also includes Passport, Microsoft's fill-in-the-form-only-once identity(75)service.
A. individual
B. collection
C. set
D. unit
[单选题]某IP地址的十六进制(hexadecimal system)表示是2C3F5481，这是一个(33)IP地址。
A. A类
B. B类
C. C类
D. D类
[单选题]在Word编辑状态下，有些英文单词或汉字下面会自动加上红色或绿色的波浪型细下划线。以下叙述中，“波浪型细下划线(44)”是错误的。
A. 提醒用户此处可能有拼写或语法错误
B. 为红色表示可能是拼写问题，为绿色可能是语法问题
C. 是文档内容的一部分，打印文档时会被打印出来
D. 不属于文档内容，打印文档时不会被打印出来
[单选题]
B． 可移植性
C． 可重用性
D． 正确性
A. 可靠性B． 可移植性
B. 可重用性
C. 正确性
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