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Counting Operations and States in a Small Datapath

# Counting Operations and States in a Small Datapath -...

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Mallard ECE 290: Computer Engineering I - Spring 2007 - Graded Web. .. https://mallard.cites.uiuc.edu/ECE290/webgrade.cgi?SessionID=mding3. .. 1 of 3 4/13/2007 3:35 PM Graded WebQuiz: Counting Operations and States in a Small Datapath You have submitted this WebQuiz 5 times (including this time). You may submit this WebQuiz a total of 10 times and receive full credit. This is not my favorite quiz, but there are some useful ideas. Part (e) gives you the correct numerical answer if you get it wrong - but no explanation. If you cannot see one of the characters, it is no doubt a left arrow ( < - ). Shown below is a data path consisting of a 64 x 32 register file with a load enable (labeled "RW'' denoting "register write") and an ALU with a 3-bit control. (a) How many states can the circuit be in? 2 64*32 = 2048 Hint: Count the number of flip-flops. (b) List the fields in the control word (use the identical labels as in the above figure): AA , BA , DA , RW , FS How many bits does the control word have? 22

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Counting Operations and States in a Small Datapath -...

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