(57)A.与 B.或 C.异或 D.比较
● 对8位累加器A中的数据7EH若逻辑左移一次,则累加器A中的数据为_(58)_。
(58)A.3FH B.7CH C.EFH D.FCH
● 8位累加器A中的数据为FCH,若将其与7EH相异或,则累加器A中的数据为_(59)_。
(59)A.FEH B.7CH C.82H D.02H
● ASCII码是对_(60)_实现编码的一种方法。
(60)A.语音 B.汉字 C.图形图像 D.字符
● 在一个办公室内,将6台计算机用交换机连接成网络,该网络的屋里拓扑结构为_(61)_。
(61)A.星型 B.总线型 C.树型 D.环型
● 属于物理层的互连设备是_(62)_。
(62)A.中继器 B.网桥 C.交换机 D.路由器
● TCP/IP网络的体系结构分为应用层、传输层、网络互联层和网络接口层。属于传输层协议的是_(63)_。
(63)A.TCP和ICMP B.IP和FTP C.TCP和UDP D.ICMP和UDP
● 在WWW服务器与客户机之间发送和接收HTML文档时,使用的协议时_(64)_。
(64)A.FTP B.Gopher C.HTTP D.NNTP
● 为了在Internet上浏览网页,需要在客户端安装浏览器,不属于浏览器软件的时_(65)_。
(65)A.Internet Explorer B.Fireworks C.Hot Java D.Netscape Communicator
● _(66)_means"Any HTML document on an HTTP Server".
(66)A.Web Server B.Web page C.Web Browser D.Web site
● The term"_(67)_program"means a program written in high-level language.
(67)A.compiler B.executable C.source D.object
● Very long, complex expressions in program are difficult to write correctly and difficult to _(68)_.
(68)A.defend B.detect C.default D.debug
● In C language, functions are important because they provide a way to _(69)_code so that a large complex program can be written by combining many smaller parts.
(69)A.modify B.modularize C.block D.board
● The standard _(70)_ in C language contain many useful functions for input and output, string handling, mathematical computations, and system programming tasks.
(70)A.database B.files C.libraries D.subroutine
● In _(71)_ programming, the user determines the sequence of instructions to be executed,not the programmer.
(71)A.top-down B.structure C.data-driven D.event-driven
● _(72)_ is a clickable string or graphic that points to another Web page or document.
(72)A.Link B.Anchor C.Browser D.Hyperlink
● One solution to major security problems is _(73)_,which are frequently installed to fix known security holes.
(73)A.patches B.compensations C.complements D.additions
● A programmer must know about a function's _(74)_ to call it correctly.
(74)A.location B.algorithm C.Interface D.statements
● On a _(75)_ memory system,the logical memory space available to the program is totally independent of the physical memory space.
(75)A.cache B.virtual C.RAM D.ROM |