Optical disks use Lasers to read or write data. When writing, a laser beam is used to align a permanent data pattern on the disk surface. When reading, the data contents are sensed by the pattern of light reflected from the beam by the data on the disk surface.
Kavungya answered the question on April 2, 2019 at 07:26
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Explain CD-ROMs (Compact Disc Read Only Memory).
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Explain CD-ROMs (Compact Disc Read Only Memory).
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April 2, 2019
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Explain the CD-ROM Technology.
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Explain the CD-ROM Technology.
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April 2, 2019
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Give the uses of CD-ROMS .
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Give the uses of CD-ROMS .
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April 2, 2019
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Give the disadvantages of CD-R (Recordable).
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Give the disadvantages of CD-R (Recordable).
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April 2, 2019
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List the advantages of CD-R (Recordable).
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List the advantages of CD-R (Recordable).
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April 2, 2019
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Explain CD-R (Recordable).
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Explain CD-R (Recordable).
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April 2, 2019
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Explain CD-RW (ReWriteable).
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Explain CD-RW (ReWriteable).
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April 2, 2019
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Explain Write Once Read Many discs.
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Explain Write Once Read Many discs.
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April 2, 2019
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List the disadvantages of CD-RW (ReWriteable).
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List the disadvantages of CD-RW (ReWriteable).
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April 2, 2019
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Give the advantages of CD-RW (ReWriteable).
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Give the advantages of CD-RW (ReWriteable).
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April 2, 2019
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List the advantages of Optical discs as secondary storage media.
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April 2, 2019
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Give the reasons why Optical discs are not mostly used in microcomputer systems as secondary storage media.
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Give the reasons why Optical discs are not mostly used in microcomputer systems as secondary storage media.
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April 2, 2019
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Give the handling precautions for magnetic media.
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Give the handling precautions for magnetic media.
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April 2, 2019
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State and explain the Physical storage considerations.
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State and explain the Physical storage considerations.
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April 2, 2019
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List the functions of output units.
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List the functions of output units.
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April 2, 2019
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Explain the divisions of output.
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Explain the divisions of output.
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April 2, 2019
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List the advantages of LCD over CRT.
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List the advantages of LCD over CRT.
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April 2, 2019
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Give three factors affecting the performance of a computer monitor.
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April 2, 2019
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Explain a Display Adapter Card.
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April 2, 2019
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Define the term Display.
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April 2, 2019
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