Electronic apparatus with quick response time and method thereof

An electronic apparatus with quick response time, comprising:

• a storage configured for storing a plurality of images;
• a cache memory configured for temporarily storing decoded images;
• an input unit configured for generating an instruction in response to user input;
• a processor comprising:
• a decoding processing unit configured for invoking the images that are previously to and next to the currently displayed image from the storage, decoding the invoked images, and storing the decoded images in the cache memory;
• and
• a display controlling unit configured for receiving the instruction from the input unit and determining whether the instruction is an instruction to display a previous image or a next image, and invoking the decoded image of the image from the cache memory, and displaying the selected image.