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HARDWARE, SOFTWARE, AND FIRMWARE

The units that are visible in any computer are the physical components
of a data processing system, or hardware. Thus, the input, storage, processing, and control devices are hardware. Not visible is the software — the set of
computer programs, procedures, and associated documentation that make possible the effective operation of the computer system. Software programs
are of two types: systems software and applications software.

Systems software are the programs designed to control the operation of
a computer system. They do not solve specific problems. They are written

to assist people in the use of the computer system by performing tasks, such
as controlling all of the operations required, to move data into and out of
a computer and all of the steps in executing an applications program. The
person who prepares systems software is referred to as a systems programmer.
Systems programmers are highly trained specialists and important members
of the architectural team.

Applications software are the programs written to solve specific problems
(applications), such as payroll, inventory control, and investment analysis.
The word program usually refers to an applications program, and the word
programmer is usually a person who prepares applications software.

Often programs, particularly systems software, are stored in an area of
memory not used for applications software. These protected programs are
stored in an area of memory called read-only memory (ROM), which can be
read from but not written on.

Firmware is a term that is commonly used to describe certain programs
that are stored in ROM. Firmware often refers to a sequence of instructions
(software) that is substituted for hardware. For example, in an instance where
cost is more important than performance, the computer system architect
might decide not to use special electronic circuits (hardware) to multiply two
numbers, but instead write instructions (software) to cause the machine to accomplish the same function by repeated use of circuits already designed to
perform addition.

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misha666anibeat
misha666anibeat
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Ответ:

d)

объяснение:

cannot- не может ,не умеет или не смогла.

она не смогла перевести его сама

удачи

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