资源描述:
《数字逻辑电路与系统设计习题答案》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、------------------------------------------------------------------------------------------------数字逻辑电路与系统设计习题答案第1章习题及解答1.1将下列二进制数转换为等值的十进制数。(1)(11011)2(2)(10010111)2(4)(11111111)2(6)(0.0111)2(3)(1101101)2(5)(0.1001)2(7)(11.001)2题1.1解:(8)(101011.11001)2(1)(11011)2=(27)10(2)(
2、10010111)2=(151)10(4)(11111111)2=(255)10(6)(0.0111)2=(0.4375)10(3)(1101101)2=(109)10(5)(0.1001)2=(0.5625)10(7)(11.001)2=(3.125)10(8)(101011.11001)2=(43.78125)101.3将下列二进制数转换为等值的十六进制数和八进制数。(1)(1010111)2(2)(110111011)2(4)(101100.110011)2(3)(10110.011010)2题1.3解:(1)(1010111)2=(5
3、7)16=(127)8——————————————————————————————————————------------------------------------------------------------------------------------------------(2)(110011010)2=(19A)16=(632)8(3)(10110.111010)2=(16.E8)16=(26.72)8(4)(101100.01100001)2=(2C.61)16=(54.302)81.5将下列十进制数表示为8421BCD码
4、。(1)(43)10(3)(67.58)10题1.5解:(1)(43)10=(01000011)8421BCD(2)(95.12)10=(10010101.00010010)8421BCD(3)(67.58)10=(01100111.01011000)8421BCD(4)(932.1)10=(100100110010.0001)8421BCD1.7将下列有符号的十进制数表示成补码形式的有符号二进制数。(1)+13(2)?9(3)+3(4)?8(2)(95.12)10(4)(932.1)101题1.7解:(1)+13=(01101)2(3)+3
5、=(00011)2(2)?9=(10111)2(4)?8=(11000)21.9用真值表证明下列各式相等。(1)(2)(3)(4)AB?B?AB?A?BA?B?C???AB???AC?AB?C?A?BCAB?AC?AB?AC——————————————————————————————————————------------------------------------------------------------------------------------------------题1.9解:(1)证明AB?B?AB?A?B(2)证明A
6、?B?C???AB???AC?(3)证明AB?C?A?BC2(4)证明AB?AC?AB?AC1.11用逻辑代数公式将下列逻辑函数化成最简与或表达式。(1)F?AB?AC?BC?ACD(2)F?A?AC?A?CD?D?(3)F?BD?D?D?B?C?AD?B(4)F?ABC?AD??B?C?D(5)F?AC?BC?B?A?C?(6)F?A?BB?C题1.11解:(1)F?AB?AC?BC?ACD?A?BC(2)F?A?AC?A?CD?D??A?CD(3)F?BD?D?D?B?C?AD?B?D?AB?BC(4)F?ABC?AD??B?C?D?AB
7、C?D(5)F?AC?BC?B?A?C??AC?BC(6)F?A?BB?C?AB?BC?AC或?AB?BC?AC1.13用卡诺图将下列逻辑函数化成最简与或表达式。3?????——————————————————————————————————————------------------------------------------------------------------------------------------------?(1)F??A?B?CD?ABC?ACD且AB?CD?0(2)F?AC?AB且A,B,C不能同时为0或同
8、时为1(3)F?A,B,C???m?3,5,6,7???d?2,4??m?0,4,6,8,13???d?1,2,3,9,10,11??m?0,1,8,10???d?