Which of the following class of computers cannot support multiple users simultaneously?

A. Mainframe Computer

B. Mini Computers

C. Micro Computers

D. All of them can support

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  21. Instructions and memory address are represented by
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  25. A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by…
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  27. FORTRAN is a programming language. What does FORTRAN stand for?
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