Page 19 - slides.dvi
P. 19

•
                                                                                                    •
                                                                             •
                                                                                            1.
                                                       –
                                    –
                                                                                     2.
                                          –
                                                              –
                             –
   Operating
                                                                             Also
                             do
              areas
                                                 own
   Systems
                                                              share
                                                                                     share
              in
                             all
                                    divide
                                                                      provides
   —
                                                                                                               Operating
                                                                                            protect
                                          present
                                                       allocate
                                                                      a
                                                                                                    Regardless
                    Remainder
                                    up
                                          a
                                                                             usually
                             this
                                                              CPU
                                                                                                    of
                                                 virtual
              turn.
   Functions
                    of
                                                       and
              .
                                          set
                                                                                     physical
              .
                                                              (in
                                                                                                               System
                                                                             want
                                          of
                                                                      virtual
                    this
                             within
                                    storage
                                                                             to
                                                 address
                                                                                            applications
                                                       protect
                                                              time)
                    part
                             the
                                                                                                    structure,
                    of
                                    space
                                                                                     resources
                                                              and
                                                                                            from
                                                                                                    OS
                                                                      machine:
                                                 space,
                                    by
                                                                                                               Functions
                                          (relatively)
                    the
                                                                             abstract
                             context
                                                       memory,
                                                                                            each
                                                                                                    needs
                             of
                                    using
                                                              provide
                                                                                     between
                                                                             away
                                                       and
                             a
                    course
                                                                                                    to
                                          hardware
                                                                                            other,
                                                              each
                                    filing
                    will
                                                                             from
                                                                                     them.
                                                                                            yet
                                                       provide
                             security
                                                              app
                                                                                                    securely
                    look
                                                                             grungy
                    at
                                                              with
                                    systems,
                                                              a
                                          independent
                                    and
                    each
                                                                                                    multiplex
                             framework.
                                                       applications
                    of
                                                                             harware,
                                                              virtual
                                          virtual
                    the
                                                                             i.e.
                                                       with
                                                                             OS
                                                       their
                                                                                                    resources:
                    above
                                          devices,
                                                              processor,
   15
   14   15   16   17   18   19   20   21   22   23   24