2011_midterm_solution

2011_midterm_solution - UNIVERSITY OF CALIFORNIA Santa...

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UNIVERSITY OF CALIFORNIA Santa Barbara Department of Electrical and Computer Engineering ECE152B Spring 2011 MIDTERM EXAMINATION Name: ___ SOLUTIONS ____________________ PERM: ____________________________ Note: Open book, open notes Problem Number Weight Score 1. 20 _________________ 2. 20 _________________ 3. 20 _________________ 4. 15 _________________ ____________________________________________________________ Total 75 __________________
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(20 p conne regist of the comp (a). (10 p accom plus o contr (b). (10 p Z=Z- Note Conc T0: T1: T2: T3: T4: pts.) A certai ected by a si ter. In additi e subtractor ponents) so t pts.) Design t mplish this, other require rol signals. pts.) Show th Y+X. e: Z=Z-Y+ crete RTN A X; C Y-A; A C; C Z-A; Z C; n processor ingle bus BU ion, the proc are all conne that the data the hardware Clearly iden ed componen he concrete R +X => Z=Z N: ; ; contains thr US , so that th cessor contai ected to the can come fr e, including ntify all com nts to make RTN and the Z-(Y-X) Con X ou Y ou C ou Z ou Z in ee 8-bit regi he contents o ins only one same bus BU rom, or go to all control s ponents (inc sure this bus e correspond ntrol seq ut , A in ; ut , C in ; ut , A in ; ut , C in ; n , C out ; isters, X, Y, of any registe subtractor. B US (through o, any of the ignals and re cluding the th -based desig ding control quence: and Z. The r er can be tra Both input p additional n three registe equired com hree register
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This note was uploaded on 12/28/2011 for the course ECE 152b taught by Professor Staff during the Fall '08 term at UCSB.

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2011_midterm_solution - UNIVERSITY OF CALIFORNIA Santa...

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