What will the following code segment do? always @(posedge clock) begin y = x; z = y; x = z; end16/21What will the following code segment do? always @(posedge clock) begin y = x; z = y; x = z; endAll the variables will get the value previously stored in “z”Shift the values stored in the three variablesAll the variables will get the value previously stored in “y”All the variables will get the value previously stored in “x”Giải thíchChọn đáp án C.