5.4 Media
Media is the
physical materials on which data is stored or presented. Electrical media is
used by the electrical circuits in a computer storing 0s and 1s. Displays on monitors
are electrical media. Optical media uses light in the form of a laser eg CDs.
Magnetic media uses magnetism, north and south poles, to remember the 0s and 1s
eg hard drives and floppy disks. Paper media is used by printers to give a hard
copy.
Write
out the sentence and fill in the missing word
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????? are the physical materials on which data is stored. |
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????? media include any electronic device associated with a computer. |
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Monitors that use ????? technology represent data by firing a beam of electrons on to the inside of the screen. |
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Liquid Crystal Displays (LCDs) are used in ????? computers. |
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Optical media includes ????? such as CD-ROM , CD-R and audio CD |
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A ????? is a small indentation in the surface of an optical medium |
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The surface of magnetic media is coated with a ????? layer of magnetic material. |
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Impact printers make an image on the paper by striking the paper with a ????? and ribbon |
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A ????? printer is a non-impact printer that uses a rotating disk to reflect laser beams on to the paper. |
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????? printers are non-impact printers that produce characters by spraying very fine ink drops on to the paper. |