8.1 Hardware
Information systems are systems that provide information to users. A peripheral device is any input or output device that is connected to the CPU.
Storage is an important part. Large amounts of data can be stored on magnetic tape but optical technology has provided larger quantities of data to be stored on CDs.
Processing needs to be powerful and fast.
Write out the sentence and fill in the missing word
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Organisations need
relevant and ????? information to make useful decisions |
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Information
systems are systems that provide ????? to
users. |
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Information
systems are referred to as information processing systems or ????? systems. |
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Computer systems
are very good at processing, storing and retrieving large quantities of ????? . |
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In a ????? environment, the CPU gives its attention to
only one terminal at a time, for a short period of time then switches to the
next terminal. |
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????? are erasable CDs that are
growing in popularity for storing data in information systems. |
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The ????? in an information system needs to be
powerful and fast, so that data can be searched and retrieved rapidly. |