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1、數(shù)字電路 習(xí)題答案 (第一章) 1第一章 第一章 1.1 二進(jìn)制到十六進(jìn)制、十進(jìn)制 (1)(10010111)2=(97)16=(151)10 (2)(1101101)2=(6D)16=(109)10 (3)(0.01011111)2=(0.5F)16=(0.37109375)10
2、 (4)(11.001)2=(3.2)16=(3.125)10 1.2 十進(jìn)制到二進(jìn)制、十六進(jìn)制 (1)(17)10=(10001)2=(11)16 (2)(127)10=(1111111)2=(7F)16 16 2 10 16 2 10 ) 3 . 19 ( ) 1 01 01 (110
3、01.101 (25.7) (4) ) A D70 3 0.6 ( ) 0 101000001111101011 0(0.0110 (0.39) (3) ? ? ? ? ? ? ? B = = = =1.8 用公式化簡邏輯函數(shù) (1)Y=A+B (3)Y=1 ) = + ( 解: 1 A A 1) 2 (= + + + = + + + =+ + + =
4、C B A C C B A C B YC B A C B A YAD C C B AD C B C B ADD C A ABD CD B A Y= + + = + + =+ + =) ( ) ( Y) 4 (解:(5)Y=0 (7)Y=A+CD E ABCD E C ABCD CE AD B BC CE AD B BC YCE AD B BC B A
5、D C AC Y= + = ? + = + ? =+ + + + =) ( ) ( ) () ( ) ( ) 6 (解:C B A C B C B A A C B A C B AC B A C B C B A A C B A C B A C B A YC B A C B A C B A Y+ = + + = + + + =+ + + + = + + + + ? + =+ + + + + + =) () )( ( ) )( )( () )
6、( )( ( 8解:) (D A D A C B Y + + = ) 9 (E BD E D B F E A AD AC Y + + + + = ) 10 (1.9 (a) C B C B A Y + =(b) C B A ABC Y + =(c) ACD D C A D C A B A Y D AC B A Y + + + = + = 2 1 ,(d) C B A ABC C B A C B A Y BC AC AB
7、 Y + + + = + + = 2 1 ,1.10 求下列函數(shù)的反函數(shù)并化簡為最簡與或式 (1) C B C A Y + =(2) D C A Y + + =C B C B AC C B AC B ABC AC C A B A BC AC C A B A YBC AC C A B A Y+ = + + + + =? + + + = + + + =+ + + =) )( (] ) )( [( ) )( () )( ( ) 3 (解:(
8、4) C B A Y + + =D C AB D C B D C AD C B D A C A C D C B C A D A YC D C B C A D A Y= + + =+ + + = + + + + =+ + + =) () )( ( ) )( )( () 5 (解:(6) 0 = Y1.11 將函數(shù)化簡為最小項(xiàng)之和的形式 C B A C B A ABC BC A C B A C B A C B A ABC BC AC B
9、A A C B B A BC A C B AC BC A YC B AC BC A Y+ + + = + + + + =+ + + + = + + =+ + =) ( ) () 1 (解:D C B A CD B A D C B A ABCD BCD A D C B A Y + + + + + = ) (2易考網(wǎng) www.ekaokao.com 考研真題|課后答案