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《操作系统概念》

作者：【美】西尔伯查茨 等  出版社：高等教育出版社

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题目 题型
Provide examples of multimedia applications that are delivered over the Internet. 问答
Distinguish between progressive download and real-time streaming. 问答
Which of the following types of real-time streaming applications can tolerate delay?Which can tolerate jitter? ·Live real-t 问答
Discuss what techniques could be used to meet quality of service requirements for multimedia applications in the following com 问答
Explain why the traditional Internet protocols for transmitting data are not sufficient to provide the quality of service guar 问答
Assume that a digital video file is being displayed at a rate of 30 frames per second；the resolution of each frame is 640×480, 问答
A multimedia application consists of a set containing 100 images,10 minutes of video,and 10 minutes of audio.The compressed si 问答
 Assume that we wish to compress a digital video file using MPEG-1 technology.The target bit rate is 1.5 Mbps.If the video is 问答
Consider two processes,p1 and p2,where p1=50,t1=25,p2=75,and t2=30. a.Can these two processes be scheduled using rate monot 问答
The following table contains a number of requests with their associated deadlines and cylinders.Requests with deadlines occurr 问答
 Repeat the preceding question,but this time batch requests that have deadlines occurring within 75 milliseconds of each other 问答
Contrast unicasting,multicasting,and broadcasting as techniques for delivering content across a computer network. 问答
Describe why HTTP is often insufficient for delivering streaming media. 问答
 What operating principle is used by the CineBlitz system in performing admission control for requests for media files? 问答

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