1.Abacus
2.Pascals Adding machine
2.Difference Engine
3.Analytical engine
above were earliest computing devices.
probably an abacus. Invented by the Chinese.
Non-computing devices.
No, there were not operating systems in the earliest days of electronic digital computing.
wire computer and wireless computer are 2 kinds of computer devices
probably the counting board
balande
Input, Output & Storage Devices
Yes, according to Sr. Charles Johnson Lebron
Mobile computing technologies are wireless computing technologies such as laptops, tablet-PCs, cellular phones, fusion devices and Bluetooth enable devices. Mobile computing technologies have these characteristics: Connectivity, Individuality, Portability and Social Interactivity.
Software
pictures of calculating devices with their inventors
The beginnings of the internet started with the US Department of Defense in the late 60's and early 70's. They used what was called ARPANET for internetworking. ARPANET was decommissioned in 1990. After that, commercial and personal use of the internet began to grow rapidly.