An in-house Thermostat has to: 1 . get the temperature from the sensor every 2 seconds; 2. display the temperature and the time; 3 turn the heater on/off based on the setting; 4. get setting from the user and the device. It also needs to use minimal memory. What is the optimal combination of task scheduling and memory allocation selection for this? Dynamic Memory Allocation and Timesharing Fixed Partition Memory Allocation with Cooperative Multitasking Virtual Memory with Pre-Emptive Multitasking Best Fit Partitioning with Timesharing No operating system whatsoever