● 已知有 6 个进程共享一个互斥段,如果最多允许 3 个进程同时进入互斥段,则信号量 S的变化范围是 (26) ;若信号量 S的当前值为-2,则表示系统中有 (27) 个正在等待该资源的进程。
(26)
● We can use the word processor to (74) your documents.
(74)
● A (75) infected computer may lose its data.
(75)
● To document your code can increase program (72) and make program easier to (73).
(72)
● As an operating system repeatedly allocates and frees storage space, many physically separated unused areas appear. This phenomenon is called (71) .
(71)
● ARP协议的功能是 (70) 。
(70)
● 网络用户能进行 QQ聊天, 但在浏览器地址栏中输入 www.ceiaec.org 却不能正常访问该页面,此时应检查 (68)
(68)
● 下列 Internet 应用中,传输层需要采用 UDP 协议的是 (67) 。
(67)
● 一个 HTML 文件的起始标记为 (69) 。
(69)