CS 61C (Fall 2007)

Quiz 21

Two questions, submit as "quiz21".  Due 2:45pm before lecture 10/17/2007.


1.

In Verilog, which of the following as represent exactly the same value? Obviously you will need to select at least two, however there may be more.
  1. 8’b11110000
  2. 8’hF0
  3. 8’d240
  4. {{4{1’b1}},{4{1’b1}}}
  5. {4’b1,4’b0}

2.

Based on the accumulator circuit and waveform on the top, which of the below waveforms for ? represents the operation of the accumulator circuit below? Briefly explain.


Accumulators

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