石油大学数字逻辑第1次在线作业,求答案呀（Petroleum University Digital Logic first online homework, seek the answer!）.doc

石油大学数字逻辑第1次在线作业,求答案呀（Petroleum University Digital Logic first online homework, seek the answer!） First online homework Individual choice question In the first question, the minimum item of the n variable function is ) The product of the A and n variables, which contains all the n variables B, n variables and n variables, which includes C, each variable appears in the form of the original and counter variables, and only once The D and n variables and items, it does not contain all variables In the second question, the maximum item of the n variable function is ) The product of the A and n variables, which contains all the n variables B, n variables and n variables, which includes C, each variable appears in the form of the original and counter variables, and only once The D and n variables and items, it does not contain all variables The combinational logic circuits of the third questions are usually made up of () A and gate circuit B, flip flop C, counter D, registers The fourth question asks for a dual function of the logical function F, which can be used in F A and instead + , + into , constant 0 1 swap B, the original variable is replaced by the inverse variable, and the inverse variable is replaced by the original variable C, constant variables D, 0 in constant, 1, 1, 0 Fifth, the logical function F= (A+B) (A+C) (A+D) (A+E) =? ) A, AB+AC+AD+AE B, A+BCED C, (A+BC) (A+DE) D, A+B+C+D+E In the sixth question, the following logical circuits are not combinational logic circuits A, decoder B encoder C, full adder D, registers Seventh Title logical expression A+BC= () A, AB B, A+C C, (A+B) (A+C) D, B+C In the eighth question, under what input, the result of non - or non - operations is logical 1 A, and all inputs are 0 B, and all inputs are 1 C, any input is 0, and the other input is 1 D and any input is 1 The ninth question sequential logic circuit must contain () A, flip flop B and combinational logic circuits C and shift register D, decoder In the tenth question, a