tHe earliesT cOmPutINg devIcEs arE:
1.abacUs.
2.napieR"s bOnE
3.OughtRed"S slide rule
4.PasCal"s calcuLatOr
5.Leibniz"s CalcuLatOr
6. BabbagE"S anaLytiCal machine
7.HoLLeritH"S pUncH caRd
abacus
probably an abacus. Invented by the Chinese.
The earliest known computing device, the Antikythera Mechanism, dates back to about 100 BC. It is mechanical and analog, it is believed to have done astronomical and navigational calculations.
It mostly depends upon what you mean by "computing". Computing device can simply mean that the device is programmable and capable of automated calculations. In this case, the earliest known computing device is the "castle clock",invented by Al-Jazari. It was considered the earliest programmable analog computer, dating to 1206. The castle clock was able to automatically open doors to represent that an hour in a day has passed, and it was also able to be programmed to change the amount of time it keeps track of to show that a day has passed, allowing the user to compensate for the changing lengths of day and night throughout the year.
computer is a electronic device
probably the counting board
A computer is an output device.
The earliest mouse was invented in 1946 by the British but was a military device kept secret. The first personnel computer (PC) mouse was invented in 1982 by Microsoft.
No. The earliest known device using computer technology was the Hewlett-Packard 200A Audio Oscillatorio Oscillator, developed in 1939. There were calculator machines...
Define the output device in computer?
main processing device on a computer
a peripheral device uses this to attach to a computer
A type of device that a computer sends information to.