An electronic device includes a memory, a mode configuration management portion, a panel portion, and a memory management portion. The mode configuration management portion configures a plurality of allocation modes for allocating a plurality of areas to the memory. The panel portion displays a mode selection screen for selecting one of the allocation modes. The memory management portion allocates the plurality of areas to the memory based on the selected one of the allocation modes. The mode configuration management portion manages a plurality of recommended modes. The memory management portion sets sizes of an input portion and an output portion of the respective areas according to the recommended mode selected by the mode configuration management portion.