A Web browser is simply a terminal emulator, designed to display text on a screen. The two essential differences between an ordinary terminal emulator and a Web browser are that the browser knows how to deal with (71) , and that it has a mechanism for (72) graphical files. Display text, display graphics, and (73) hyperlinks-there’s 99 percent of the (74) value. That’s not to say that the manufacturers didn’t go all-out to attach a hyperactive efflorescence of useless capabilities onto their browsers. Remember when media channels in the browser were a big deal, instead of the clutter you can’t wait to delete from your favorites of bookmarks menu Remember when client-side Java applets were supposed to become the preferred (75) for application development Remember frames and all their nasty side effects
(73)处填()。
A.direct
B.navigate
C.indicate
D.go-on
A.执行态
B.目态
C.管态
D.就绪态
A.1/2
B.1
C.2
D.4
A.字节
B.字
C.数据块
D.位
A.对象图
B.状态图
C.流程图
D.结构图
A.2
B.3
C.4
D.5
A.电路交换
B.报文交换
C.分组交换
D.B和C
A.阶码
B.符号
C.尾数
D.基数
A.2h-1
B.2h
C.2h-1
D.2h
A.254
B.255
C.256
D.257
A.999
B.1000
C.1001
D.1002
A.串的模式匹配
B.求子串
C.求串的长度
D.串的连接
A.9
B.10
C.11
D.12
A.地方标准
B.地区标准
C.专业标准
D.行业标准
A.继承性
B.共享性
C.封装性
D.抽象性
A.Cache
B.寄存器
C.内存
D.外存
A.树型
B.网状型
C.星型
D.环型