若K=0时Z=A,K=1时Z=B，下列哪个语法描述有误 A: process begin if K='0' then Z<=A; else Z<=B; end if; end process; B: With K select Z<=A when '0', B when '1', 'X' when others; C: Z<=A when K='0' else B when K='1'; D: Z<= (not K and A) or (K and B)；

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2022-06-19

若K=0时Z=A,K=1时Z=B，下列哪个语法描述有误 A: process begin if K='0' then Z<=A; else Z<=B; end if; end process; B: With K select Z<=A when '0', B when '1', 'X' when others; C: Z<=A when K='0' else B when K='1'; D: Z<= (not K and A) or (K and B)；

若K=0时Z=A,K=1时Z=B，下列哪个语法描述有误
A: process begin if K='0' then Z<=A; else Z<=B; end if; end process;
B: With K select Z<=A when '0', B when '1', 'X' when others;
C: Z<=A when K='0' else B when K='1';
D: Z<= (not K and A) or (K and B)；

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