In this chapter, you examined the benefits of computer fluency and identified
the four basic functions of computing. You explored the various
types of computers and their components, including CPUs, RAM, and
storage devices. This chapter also discussed how to evaluate a computer
system and understand the terminology used to measure storage
capacity, memory, and microprocessor speed. Various hardware and
peripheral devices were reviewed, including input and output devices,
and different types of storage media. You explored the basic types of
computer software—system software and application software—and the
different uses for each type. You identified various types of networks and
the different ways networks can be configured. You also reviewed ways to
maintain your computer and keep it safe from various threats, including
viruses and spyware.
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