List of computer size categories. From Wikipedia, the free encyclopedia. This illustration shows the development of computers, from huge room-sized computers in the 1940s and 1950s (left-most photo) to smaller personal computers over the 1980s to the 2010s.
New US DOT Hazmat Safety Rule to Place Lithium Battery Limits in Carry-on Baggage on Passenger Aircraft Effective January 1, 2008. Passengers will no longer be able to pack loose lithium batteries in checked luggage beginning January 1, 2008 once new federal safety rules take effect.
Switching cellular and Wi-Fi off makes the device OK to use in an airplane. How to access Airplane mode. On iOS, you access Airplane mode by swiping up from the bottom of the home screen and then tapping the plane icon. If the icon is highlighted orange, Airplane mode is on. Alternatively, you can head to Settings, tap Airplane mode, and then switch the slider to On.