Software operation method for managing power supply and apparatus using the same

An electronic apparatus for managing power supply, comprising:

• a first memory configured to store information necessary for maintaining connection with a network;
• a second memory configured to store a first software and a second software;
• a transceiver configured to transmit or receive a data;
• a timer configured to check an execution period of the first software and the second software;
• and
• a controller configured to:
• convert a state into a sleep state;
• convert the sleep state into a wake-up state for every first interval and execute the first software;
• covert the wake-up state into the sleep state, if an execution of the first software ends;
• convert the sleep state into the wake-up state for every second interval and execute the second software;
• and
• convert the wake-up state into the sleep state, if an execution of the second software ends, wherein a classification into the first software and the second software is made based on an execution period.