试分析图P4.3所示电路是否合理,并写出其最简与-或表达式。[img=605x414]17ae5e61bd34f0c.png[/img]
(1)由图P4.3所示电路写出逻辑表达式[br][/br][br][/br][tex=10.357x1.571]6Pti4hdWAPGBEZbcYT1zqwIqe1mUOO+hIehcB2PTzU0riIVJ2ZJgEjwH9+d+WQpcLJrEL9Zat5qZvLz9Y4Mmjv9ZcDdriAMXEmB6r4W4+2+0S6t5wiSNNgzYzaI8X9TRtxe8K51cpzFL7bytoL0BQruT3ky2BqgPmKyxy7HocEPmMVZnUO2TV3UhNfQFdjh2EjDt+oXGR906ACYAX93d/w==[/tex][br][/br](2)化为与-或表达式 [br][/br][tex=10.357x1.571]6Pti4hdWAPGBEZbcYT1zqwIqe1mUOO+hIehcB2PTzU0riIVJ2ZJgEjwH9+d+WQpcLJrEL9Zat5qZvLz9Y4Mmjv9ZcDdriAMXEmB6r4W4+2+0S6t5wiSNNgzYzaI8X9TRtxe8K51cpzFL7bytoL0BQruT3ky2BqgPmKyxy7HocEPmMVZnUO2TV3UhNfQFdjh2EjDt+oXGR906ACYAX93d/w==[/tex][br][/br][tex=13.857x4.357]qwzItpzCRk3Au58gRLlow9+ycO/GgqEjWFq7UV8n/9XmaP00SCXr3eVSJHagH6PKT4bNPFgMX2tHl4XSGt//z7nuQGZX4mJNYMtbGi1aOSXsF5L7G2c/g+obGhgtUVgeLLR8dr3q/h39uQUSIX4rmQ8f+JtlYhEk0QcTNOY5FpmmjZMcggJtD497subTQyspz+JVdSz/GOmIXZaM8jbBmdacXaB0Ach34EVoXvMCMAFEYElUL0hED3vIRQgLpKkyqzJ8U+bEojDT2RO26/WchS4fHmxIMoewjaacH9Rge4Zmj+yaM6+M/X7eGo/99rX+[/tex][br][/br](3)由与一或表达式作图题4.3所示卡诺图(4)由卡诺图得最简逻辑表达式。[br][/br][tex=6.714x1.143]2Dk+G7jkELZUvpayhAy+wg==[/tex][br][/br]可见,图P4.3所示电路不合理。[img=308x321]17ae5e68e875e8a.png[/img]
举一反三
- 写出图示电路的逻辑表达式, 并化简为最简与或式, 分析电路的逻辑功能。[img=448x256]17d0a19c352d887.png[/img]
- 试分析图[tex=2.929x1.286]glEEmjToN1pVdve4izniwg==[/tex]所示电路的逻辑功能,列真值表,并写出逻辑函数表达式。[img=303x304]17d2bccddc3cc3a.png[/img]
- 试写出图所示电路的输出电压与输入的关系表达式。[img=397x221]17e27eed96f504c.jpg[/img]
- 试写出图所示电路的输出电压与输入的关系表达式。[img=365x215]17d004ea45eab6e.png[/img]
- 试写出图所示电路的输出电压与输入的关系表达式。[img=344x221]17d00501a3ef136.png[/img]
内容
- 0
试写出图所示电路的输出电压与输入的关系表达式。[img=389x224]17e27ef05dd644f.jpg[/img]
- 1
试写出图P2.9所示CMOS电路的输出逻辑表达式。[img=631x261]17d2caf0f5b2f47.png[/img]
- 2
已知函数 [tex=5.357x1.357]1Tbe2i4eRKwEuV8uFBibvg==[/tex]的卡诺图如图题2.2.2所示,试写出函数[tex=0.714x1.0]ravtxd2oof9d0U26ZFAIhw==[/tex]的最简与或表达式。[img=280x325]17a8405efb2f2c2.png[/img]
- 3
写出图所示电路输出的逻辑函数表达式,列出真值表,分析其逻辑功能。[img=246x143]179f4f392955f09.png[/img]
- 4
试写出图所示电路的逻辑函数式, 列出真值表, 并分析该电路的逻辑功能。[img=187x138]17ad288a6d4217a.png[/img]