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abacus
old-fashioned cash register (with gears and handle)
gear-driven clocks/watches
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Actually the above are examples of mechanical computers, not analog computers.
Analog computers use continually variable quantities. An abacus uses discrete units of measurement and is digital, though not binary.
A slide rule is an example of a simple mechanical analog computer. Another example is the Norden Bomb Sight. An ancient example is the astrolabe.
More complex analog computers are programmable and can use fluid, mechanical, or electronically set values.
There is a link below to an article on analog computers.
What else can I help you with?
Are most computers analog machines?
At this time, no, most computers are digital. However from the 1930s through the 1960s analog computers probably did outnumber digital computers as they were generally smaller and less expensive than digital computers.
Which is faster an analog computer or a digital computer?
built with the same level of technology, analog computers are always faster but less accurate than digital computers. however as little significant work on analog computers has been done since the 1980s, they currently significantly lag behind digital computers in speed.
Memory capacity of analog computer?
Analog computers do not have memory like digital computers do, so this question has no answer as written.Analog computers have widely varying architectures, unlike modern digital computers which are all some variant of the stored program architecture first developed in the late 1940s.The most common analog computing architecture from the 1920s through early 1980s and implemented both mechanically and electronically was the Integrating Analog Computer. On such computers the capacity was specified by the number of Integrators. A small computer might have 8 integrators while a large one might have 50 integrators.
Can we process data in computers in analogue form?
Absolutely, but those are called analog computers and operate very differently than the way digital computers do.Electronic analog computers long predate electronic digital computers and until the invention of the microprocessor were almost always less expensive than electronic digital computers. In some cases hybrid computers were built composed of a digital computer, an analog computer, and converter circuits so that data could be transferred back and forth between the two computing sections of the machine.The most common type of electronic analog computer was the electronic differential analyzer, but there are many other types that have been built for solving specific classes of problems (e.g. electronic harmonic analyzers, electronic finite element analyzers) via electronic analog means.
What are the characteristics of digital analog and hybrid computers?
• digital computers work on discrete data representing quantities by encoding (e.g. integers, coded alphanumeric characters, coded floatingpoint numbers). • analog computers work on continuous data representing quantities by analogy (e.g. voltages, currents, shaft rotation rate, shaft position). • hybrid computers are a combination of digital & analog computers connected together to work as one machine.
