please explain your reason for each answer if possible. thank you very much

In the following code assume start Push Button is wired as Normally Open. Identify each of the statements below as TRUE or FALSE: a) When start is pressed momentarily the timer TP 1 times up to one second. b) Every second the counter CTU_1 increments by one starting from zero. c) CTU_1 resets back to zero when it reaches its Preset Value. d) If start PB is kept pressed the counter continues incrementing. e) Timer_output flag is used to restart the timer TP_1