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Unformatted text preview: p'mw . ECE @030 Teyt &
Problem 1' (25 Points): P' lFVaC/k/ c; 007/ a) Add the following 6bit signed numbers (represented using 2’s complement notation) and determine if
there is an error. [((tl It is, '100111 10001 010110
111011 10011 001010
iooola lDO'DD [ 0000 Error?: D D >[ﬂ3 Error?: & #:5 . Problem 2 (20 Points): Implement the following logic using a decoder and OR gates. a) F=ZBC+ZBE+A35
b) F=ABE+AC5
c) F=EC, G=ZBC+A§C 09 F: Maﬁa? Ma?
0 (I O \O ll 0
:3. :Q_ 9 F:— AEE+ACE
: ‘ ' c" D
+Af>cb+AE b ogywb
Owi'IDmtS; ZMOOI ’Q/BIl‘l) {7— dawcLAw "——‘ 0’ Cl F=KEC @5390
:EBQJ. [ELLANEG.
:Zm< iii(13> G = Z,M(.3/ Problem 3 25 Points) 3) Draw the schematic of a 2 to 1 MUX using transmission gates and inverters.
b) Draw the schematic of a 1 to 2 DEMUX using transmission gates and inverters.
c) Complete the timing diagram for the following circuit. A McLB a) Complete the timing diagram for the following circuit. Assume that all initial stored bits are zero. Problem 4 (25 Points): Problem 5 (10 Points): Fill in the truth table for the following priority encoder: D1>D2>D0>D3 ELCEAOSO 30m? O)‘ “Teyroz
DR Heart a) Add the following 6bit signed numbers (represented using 2’s complement notation) and determine if
there is an error. .E' Problem 1 (25 Points): 11, \1 111 100101 10001 010011 101101 10011 £0111 010010 100100 {How
Error?: Lt: #2 l‘l ‘\l\ 010110 100111 001010 111011 100000 IOOOID Error?: Problem 2 (20 Points): Implement the following logic using a decoder and OR gates. a)F=ZBC+Z§C+A§E
b)F=ABE+ACB
c)F=AR, G=ZBC+AI§C 09 Paige MEG A22
2640/3/40 l7> " 5) F=Ar§é+AcE = NSZD M535 D
Mrch +AE 67>. c  A e — ZMog/R/ l3} W) A C>F=AE,G=§BC+AEC
F: AER?)
l‘A B€+AEE W4;We..yswwwewaewm““wmm ‘ “A W.” A.» Problem 3 25 Points) a) Draw the schematic of a 2 to 1 MUX using transmission gates and inverters.
b) Draw the schematic of a l to 2 DEMUX using transmission gates and inverters.
c) Complete the timing diagram for the following circuit. Problem 5 (10 Points): Fill in the truth table for the following priority encoder: D1>D0>D3>D2 ...
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This note was uploaded on 10/26/2011 for the course ECE 2030 taught by Professor Wolf during the Spring '07 term at Georgia Tech.
 Spring '07
 WOLF

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