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which of the following signal causes the process to execute? explain your answer (VHDL) PROCESS (clr)...

which of the following signal causes the process to execute? explain your answer (VHDL) PROCESS (clr) begin IF(clr = '1') THEN y<= '0'; ELSE y<= input; END PROCESS;

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Answer #1 
The sensitivity list of process contains only one signal which is ‘clr’. 
So, the process will be executed when the value of clr changes. 
Though value of input will be assigned to y once but change in value of ‘input’ will not cause execution of process again.

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