作者princeeeeeee (我们班的冠杰)
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标题[试题] 98上 李建模 交换电路与逻辑设计 第一次小考
时间Thu Nov 12 23:54:29 2009
课程名称︰交换电路与逻辑设计
课程性质︰必修
课程教师︰李建模
开课学院：电资学院
开课系所︰电机系
考试日期（年月日）︰2009/10/22
考试时限（分钟）：50分
是否需发放奖励金：是
（如未明确表示，则不予发放）
试题 :
Switching Circuits & Logic Design, Fall 2009
Quiz#1
Problem 1:
Substract the following pairs of 4-bit binary numbers. Assume that negative
numbers are represented in 2's complement. Indicate when an overflow occurs.
0011-1011 (20 points)
Problem 2:
Find the minimum product-of-sum form of Z=(AB⊕C)+(EF≡GH).
(20 points)
Problem 3:
Simplify F=ABC'D+A'BE+ABCE+AB'C'D+ABDE
(reduce to a sum of three terms) (20 points)
Problem 4:
(a)Please draw the Karnaugh map of F(A,B,C,D)=sigma m(0,1,3,9,11,12,14,15)
+sigma d(4,5,6,7,10). Please note that A is the most significant bit and
D is the least significant bit. That means: ABCD=0001 corresponds to the
mintern m1. (10 points)
(b)Please show the minimum SOP of F. (10 points)
(c)Please show the minimum POS of F'. (10 points)
(d)Show the maxterm expansion of F'. (10 points)
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