Processing math: 100%

06 2013 档案

摘要:Linux命令目录和文件名的命名规则除了/外,所有字符可用作目录和文件名大小写敏感避免使用非普通字符做文件或目录名以"."开头的文件和目录是隐含的命令基本格式cmd [options] [arguments]cmd 命令名options 选项arguments 参数,也即操作对象选项和参数作为Shell命令执行时的输入,之间用空格隔开单字符参数前使用一个减号(-),单词参数前使用两个减号(--)多个单字符参数前可以只使用一个减号有些命令不遵从以上规则,如dd、find等通配符* 匹配任何字符和任何数目的字符? 匹配单一数目的任何字符[] 匹配[]之内的任意一个字符[!] 匹 阅读全文
posted @ 2013-06-26 17:18 宙斯黄 阅读(562) 评论(0) 推荐(0) 编辑
摘要:By Moataz El-Metwally, Mentor GraphicsCairo EgyptAbstract :With the increasing adoption of OVM/UVM, there is a growingdemand for guidelines and best practices to ensure successful SoCverification. It is true that the verification problems did notchange but the way the problems are approached and the 阅读全文
posted @ 2013-06-20 10:18 宙斯黄 阅读(1728) 评论(0) 推荐(0) 编辑
摘要:1. Why do you write a program in Perl?Ans : Easy to use and fast execution since perl script undergoes only two phases like compile phase and run phase.2. What is the difference between chop & chomp functions in perl?Ans : Chop removes last character.Chomp removes new line character.3. What is a 阅读全文
posted @ 2013-06-18 19:14 宙斯黄 阅读(488) 评论(0) 推荐(0) 编辑
摘要:1. What is the race condition in verilog?Ans :The situation when two expressions are allowed to execute at same instance of time without mentioning the order of execution.2. List the levels of abstraction in verilog?Ans : 1. Behavioral level 2. Register-Transfer level 3. Gate level 4. Switch levels3 阅读全文
posted @ 2013-06-18 19:13 宙斯黄 阅读(1187) 评论(0) 推荐(0) 编辑
摘要:1.Which is the command used to find the available shells in your Operating System Linux ?Ans : echoshell2.Which is the command used to view the environment variables?Ans: printenv3. How do you recall last command from the history list in Cshell ?Ans: !!4. How do you print the current job in Cshel 阅读全文
posted @ 2013-06-18 19:10 宙斯黄 阅读(457) 评论(0) 推荐(0) 编辑
摘要:1. What is clocking block?Ans: Clocking block can be declared using the keywords clocking and endclocking. A clocking block is mainly used in the testbench in order to avoid race conditions. Clocking blocks are used to assemble all the signals. They are useful in separating clocking activities from 阅读全文
posted @ 2013-06-18 17:06 宙斯黄 阅读(1673) 评论(0) 推荐(0) 编辑

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