I'm assuming you are a registered developer, and all that information is downloaded and installed with the SDK.
1024x768
132 DPI
First Google Hit ...
iPad Supported Video Format
H.264 video (up to 720p, 30 frames per second; main profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats)
MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats.
Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format .
iPad Supported Audio Format
AAC (16 to 320 Kbps)
protected AAC (from iTunes Store)
MP3 (16 to 320 Kbps), MP3 VBR
Audible (formats 2, 3, and 4)
Apple Lossless
AIFF
WAV
iPad Supported TV Format
Support for 1024 by 768 pixels with Dock Connector to VGA Adapter;
576p and 480p with Apple Component AV Cable;
576i and 480i with Apple Composite AV Cable.