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1●操作数所处的位置,可以决定指令的寻址方式。操作数包含在指令中,寻址方式为___(4)___;操作数在寄存器中,寻址方式为_____(5)_____;操作数的地址在寄存器中,寻址方式为____(6)_____。
A.立即寻址
B.直接寻址
C.寄存器寻址
D.寄存器间接寻址
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2●如果主存容量为16M字节,且按字节编址,表示该主存地址至少应需要_____(3)____位。
A.16
B.20
C.24
D.32
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3●在计算机中,最适合进行数字加减运算的数字编码是_____(1)_____,最适合表示浮点数阶码的数字编码是____(2)____。
A.原码
B.反码
C.补码
D.移码
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4● Melissa and LoveLetter made use of the trust that exists between friends or colleagues.Imagine receiving an (71) from a friend who asks you to open it. This is what happens withMelissa and several other similar email (72) . Upon running, such worms usually proceed tosend themselves out to email addresses from the victim's address book, previous emails, webpages (73) . As administrators seek to block dangerous email attachments through the recognition ofwell-known (74) , virus writers use other extensions to circumvent such protection.Executable (.exe) files are renamed to .bat and .cmd plus a whole list of other extensions andwill still run and successfully infect target users. Frequently, hackers try to penetrate networks by sending an attachment that looks like aflash movie, which, while displaying some cute animation, simultaneously runs commands inthe background to steal your passwords and give the (75) access to your network.
A.attachment
B.packet
C.datagram
D.message
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5● DOM is a platform- and language- (66) API that allows programs and scripts todynamically access and update the content, structure and style of WWW documents (currently,definitions for HTML and XML documents are part of the specification). The document can befurther processed and the results of that processing can be incorporated back into thepresented (67) . DOM is a (68) -based API to documents, which requires the wholedocument to be represented in (69) while processing it. A simpler alternative to DOM is theevent-based SAX, which can be used to process very large (70) documents that do not fitinto the memory available for processing.
A.specific
B.neutral
C.contained
D.related
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6●某公司使用包过滤防火墙控制进出公司局域网的数据,在不考虑使用代理服务器的情况下,下面描述错误的是“该防火墙能够___(9)____”。
A.使公司员工只能访问Internet上与其有业务联系的公司的IP地址
B.仅允许HTTP协议通过
C.使员工不能直接访问FTP服务器端口号为21的FTP地址
D.仅允许公司中具有某些特定IP地址的计算机可以访问外部网络
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7●两个公司希望通过Internet进行安全通信,保证从信息源到目的地之间的数据传输以密文形式出现,而且公司不希望由于在中间节点使用特殊的安全单元增加开支,最合适的加密方式是____(10)____,使用的会话密钥算法应该是 ____(11)____。
A.链路加密
B.节点加密
C.端—端加密
D.混合加密
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8●我国著作权法中,___(13)___系指同一概念。
A.出版权与版权
B.著作权与版权
C.作者权与专有权
D.发行权与版权
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9●由我国信息产业部批准发布,在信息产业部门范围内统一使用的标准,称为___(14)___。
A.地方标准
B.部门标准
C.行业标准
D.企业标准
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10●某软件设计师自行将他人使用C程序语言开发的控制程序转换为机器语言形式的控制程序,并固化在芯片中,该软件设计师的行为____(15)____。
A.不构成侵权,因为新的控制程序与原控制程序使用的程序设计语言不同
B.不构成侵权,因为对原控制程序进行了转换与固化,其使用和表现形式不同
C.不构成侵权,将一种程序语言编写的源程序转换为另一种程序语言形式,属于一种“翻译”行为
D.构成侵权,因为他不享有原软件作品的著作权
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