Anatomy of the First Generation iPad Hardware, Ports, and Buttons

1st gen. ipad hardware
image copyright Apple Inc.

First Generation iPad Ports, Buttons, Switches, and Other Hardware Features

While every new generation of the iPad has made the tablet more powerful and more useful, the basic set of hardware options on the device has stayed roughly the same from the beginning. There have been some slight variations and enhancements, but generally speaking, the ports, buttons, and switches present on the 1st Generation iPad have stayed fairly consistent on later models.

 

To understand what all the hardware on the first generation iPad is used for, read on. Knowing what each one does will help you get to most out of your iPad.

  1. Home Button—This is perhaps the most important—certainly the most used—button on the iPad. You press this button when you want to exit an app and return to the home screen. It's also involved in restarting a frozen iPad and completing the process of rearranging your apps and adding new screens. Double clicking it reveals the multitasking menu. 
  2. Dock Connector—This wide port on the bottom of the iPad is where you plug in the including USB cable to sync your tablet and your computer. On the 1st gen. iPad, this is the 30-pin connector. Later iPads replaced it with the smaller, 9-pin Lightning connector. Some accessories, like speaker docks, connect here, too.
  3. Speakers—The built-in speakers on the bottom of the iPad play music and audio from movies, games, and apps.
  1. Sleep/Wake Button—The other crucial button on the iPad. This button locks the iPad's screen and puts the device to sleep. Clicking it when the iPad is asleep wakes the device up. It's also one of the buttons you hold to restart a frozen iPad or to turn the tablet off. 
  2. Antenna Cover—This small strip of black plastic is found only on iPads that have 3G connectivity built in. The strip covers the 3G antenna and allows the 3G signal to reach the iPad. Wi-Fi-only iPads don't have this; they have solid gray back panels. This cover is present on later iPad models with cellular connections, too. 
  1. Mute Switch—Toggling this switch on the side of the device mutes the volume of the iPad (or unmutes it, of course). Prior to iOS 4.2, this button was used exclusively as the screen orientation lock, which prevented the iPad's screen from automatically switching from landscape to portrait mode (or vice versa) when you changed the orientation of the device. In 4.2 and higher, the user can control the function of the switch, choosing between mute and screen orientation lock.
  2. Volume Controls—Use these buttons to raise or lower the volume of the audio played through the speakers at the bottom of the iPad. Most apps that play audio also have software features that control volume.
  3. Headphone Jack—This standard jack is used for headphones. Some accessories also connect to the iPad through it.

First Generation iPad Hardware Not Pictured

  1. Apple A4 Processor—The brain that powers the 1st Gen. iPad is a 1 GHz Apple A4 processor. This is the same chip used in the iPhone 4.
  2. Accelerometer—This sensor helps the iPad detect how it's being held and moved. It's what's used to reorient the screen when you change how you're holding the iPad. It's also used for things like games that are controlled based on how you move the iPad itself.
  1. Ambient Light Sensor—This sensor helps the iPad detect how much light is present in the location it's being used in. Then, depending on your settings, the iPad can automatically adjust its screen brightness to save battery life.
  2. Networking Chips—Every 1st Generation iPad has Bluetooth for networking with accessories and Wi-Fi for getting online. As mentioned earlier, some models also have 3G cellular connections so they can get online almost anywhere.

There is one major missing feature from the iPad: cameras. The original iPad didn't have any. As a result, it lacked the ability to take photos, shoot videos, or make FaceTime video calls.

 That omission was remedied with its successor, the iPad 2, which sported cameras on both the front and back.

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