10.Design an XOR gate from 2:1 MUX and a NOT gate

9.Which one is superior: Asynchronous Reset or Synchronous Reset ? Explain.

What is metastable state ? How does it occur ?

7.What are the two types of delays in any digital system ?

Posted on 27.9.2010...........
6.How many flipflops must be complimented in a 10-bit binary ripple counter to reach the next count after
0111111111?

Posted on 27.9.2010............

5.Construct a JOHNSON COUNTER  with TEN timing  signals?

4. What type of  memory is used for cache?what type of memory is used in pendrive?