The first-generation iPad (first iPad, iPad original, iPad 1,1) is the first tablet computer in the Apple’s iPad line. On certain variants the iPad 1st generation has the capability of accessing cellular networks.
The iPad 1st generation can play music, enjoy photos, watch videos, play games, read e-books, send, receive and read email, browse the web, use GPS navigation software, use social network services, and use more features by downloading apps or by preinstalled apps, such as Safari, Mail, Photos, Video, iPod, iTunes, App Store, Maps, Notes, Calendar, Contacts.

• Processor: Apple A4 system-on-chip used. CPU: 1 GHz ARM Cortex-A8.
• Operating system: iOS 3.2, Build 7B367 (original OS), major improvements and modifications introduced later (iOS 4.2 installed in November 2014, iOS 5.1 in 2015, iOS 5.2 in April 2016). The device runs a version of the same operating system that powers the iPhone and iPod touch models.
• Memory: 256 MB DDR RAM.
• Storage: 16 GB flash memory.
• Screen Size: 9.7-inch diagonal, 1024 × 768 px 132 PPI 4:3 aspect ratio.
• Display: XGA, multitouch glossy LED-backlit IPS LCD.
• Graphics: VR SGX535.
• Input: Multi-touch screen, proximity and ambient light sensors, 3-axis accelerometer, digital compass.
• Connectivity: Wi-Fi 802.11 a/b/g/n. Bluetooth 2.1 + EDR. GSM models include UMTS / HSDPA. 50, 1,900, 2,100 MHz. GSM / EDGE 850, 900, 1,800, 1,900 MHz).
• Battery: Built-in rechargeable Li-Po battery 3.75 V 24.8 W·h (6,613 mA·h. Estmated time: 10 hours life while working actively and up to one month in stand-by mode.
• Online services: iTunes Store, App Store, iCloud, iBookstore.
• Dimensions: 9.56 in high x 7.47 in wide x 0.50 in deep.
• Weight: Wi-Fi 1.5 lb. Wi-Fi 3G: 1.6 lb.
• Casing: 0.5 inch thick, 1.5 pound glass and aluminum case.