宙斯黄

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

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

摘要： 1.Which is the command used to find the available shells in your Operating System Linux ?Ans : $echo $shell2.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

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