The Antikythera mechanism (pronounced /ˌæntɪkɪˈθɪərə/ AN-ti-ki-THEER-ə), is conjectured to be an ancient mechanical computer[1][2] designed to calculate astronomical positions. It was recovered in 1900-01 from the Antikythera wreck,[3] but its complexity and significance were not understood until decades later. It is now thought to have been built about 150-100 BC. Technological artifacts of similar complexity did not reappear until the 14th century, when mechanical astronomical clocks appeared in Europe.
The first analogue computing device was the human mind. Yes, it's true; the human mind is an analog device.
analog device
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Analog computing mechanisms can reach a solution much faster than digital computing mechanisms can for the same problem; but to get more digits of accuracy, analog computing mechanisms require expensive high-precision, low-drift, temperature-stable components, while digital computing mechanisms can be expanded inexpensively to as many digits as desired.
An antenna is analog it is not classified as being a digital device.
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.
Yes. An iPad is a mobile computing device.
The examples of analog devices are as following: 1. The telautograph 2. Analog synthesizer 3. Analog television 4. Analog Computer
The majority of modern computing devices are digital. That means they work by using many on and off type electrical signals. Analog computers work by using vary ranges of constantly-changing signals in real-time without converting them to digital sequences first.
electronics instruments
When you convert digital signal to analog, it is called as an analog signal. The device used is called digital to analog converter.
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.