Discuss the trade-offs between a manual challenge response system (one to which the user computes the response by hand or mentally) and a system that uses a special device, like a calculator

What will be an ideal response?


Manual:
can
be
completed
by
individual
alone,
but
limited
to
the
kinds
of
functions
ordinary
people
can
compute
in
their
heads.

Computer Science & Information Technology

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