An abacus is not a computer system as zero parts of the abacus are electrical. For the abacus to be a computer system, it has to have an input, output and process and store data. If even one of the following is not true then the device will not be considered a computer system. An abacus can not store data, as the human using the abacus will have to memorise the sequences instead of the abacus being able to memorise on its own.
abacus is the first manual mechanical calculator
No, all computer systems are different. They contain different software, features, and functions.
It was invented by the Chinese in about 3000BC
it is an ancient counting machine used in China, it is still in use today
Sequent Computer Systems was created in 1983.
the first abacuss ever made in the world is in china in bajing about 40,000 years ago.
GST Computer Systems was created in 1979.
Equus Computer Systems's population is 250.
Equus Computer Systems was created in 1989.
The population of Elitegroup Computer Systems is 15,493.
Elitegroup Computer Systems was created in 1987.
Umakishore Ramachandran has written: 'Computer systems' -- subject(s): Systems software, Computer systems, Operating systems (Computers), System design, Computer architecture