1. Search from the Internet the technical specification of the above device
Nintendo DS Lite
Size: 73.9 millimeters (2.9 inches) tall, 133 millimeters (5.2 inches) broad, 21.5 millimeters (0.85 inches) wide.
Top Screen: A backlit, 3.12-inch, trans missive TFT color LCD with 256x192-pixel resolution and .24mm dot pitch, capable of displaying a total of 262,144 colors.
Touch Screen: Same specifications as top screen, but with a transparent analog touch screen.
Wireless Communication: IEEE 802.11b; wireless range is 30 to 100 feet; multiple users can play certain multiplayer games with one DS game card using DS Download Play.
Controls: Touch screen, embedded microphone for voice recognition, A/B/X/Y face buttons, directional control pad, L/R shoulder pads, Start and Select dimples, and Power slider. The styluses 1 cm longer and 2 mm thicker than the stylus of the original Nintendo DS.
Input/Output: Ports for both Nintendo DS game cards and Game Boy Advance game packs, terminals for stereo headphones and a microphone. A removable cover for the Game Boy Advance game pack slot provides added protection from dust and other foreign materials.
Other Features: Embedded PictoChat software that allows up to 16 users within local range of one another to chat at once; embedded real-time clock; date, time and alarm; touch-screen calibration. The alarm can only be activated if the power is on.
CPUs: Two ARM processors, an ARM946E-S main CPU and ARM7TDMI coprocessor at clock speeds of 67 MHz and 33 MHz respectively.
Sound: Stereo speakers providing virtual surround sound, depending on the software.
Battery: Lithium ion battery delivering from 15 to 19 hours of play on a three-hour charge; power-saving sleep mode; AC adapter.
Languages: English, Japanese, Spanish, French, German, Italian.
Repair parts: L-R switches: NKK type SKRTLA available from Mouser and others
2. List the elements of interactivity.