林阿发

威盛的Software test Engineer笔试题  
题目内容
发信人: jjli ( 叽叽喳喳的小鸟 ), 信区: Job
标 题: 威盛的Software test Engineer笔试题
发信站: 武汉白云黄鹤站 (2004年11月09日20:56:33 星期二)


1.What is OSI Model?Which layer is responsible for the information reliable

delivery?
2.List the differences of TCP and UDP
3.Please list the differences between convertional C language and
object-oriented language(OOL),sau C++?
4.Please list the three major features and meanings of C++
5.Please list the program areas of the run time environment and give a brief

explanation of the function of each area
6.Write a piece of code(or macro)to convert the decimal number to hex format

7.In a real time operating based embedded system,2 tasks will access the
RS-232C port.Design a mutual exclusive mechanism for tasks sending command

string to the device.
(Pseudo code is okay)
8.A multi-task application is running on top of a real-time operating system,

how many possbile states can a task have?Please draw a state transition
diagram to explain. How the tasks communicate to each?

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