(n ) A part of the signal C library function The signal SIGALRM is sent to the invoking process after a specified number of seconds Unless caught or ignored, the SIGALRM signal kills the process
An alarm clock is a clock that you can set to make a noise so that it wakes you up at a particular time. I set my alarm clock for 4.30. = alarm. A clock that can be set to sound a bell or buzzer at a desired hour
Your pager alarm can be set for a specific time and date or can used as a daily alarm