The key feature of today's personal computing devices is their mobility.
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Q50: The operating system manages the computer's processes,
Q51: Processor speeds were originally expressed in gigahertz.
Q52: Ethernet networks use a star topology.
Q53: User- friendly software is also programmer- friendly.
Q54: The ISO consists of a seven- layer
Q56: The main evolution of input and output
Q57: Mainframe computers support hundreds or thousands of
Q58: _began as computers used by one person.
Q59: _refers to input captured by a person
Q60: Word size determines how many characters can
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