(i). Have very high storage capacities. This enables them to be used for multimedia applications.
(ii). Have relatively high access speeds.
(iii). Are Non-volatile, i.e. information kept in them is permanent. Therefore, they are more secure against alteration.
(iv). Are cost effective (cheap) especially if used for large storage volumes.
(v). They are robust – they resist temperature, electromagnetic fields, and not affected by water or dust.
(vi). Have very high data transfer rates.
Modern CD-ROM drives have data transfer rates of between 150 – 4,800 KB/second.
(vii). Some Optical discs allow data to be written to them a no. of times, e.g., CD-RW.
Kavungya answered the question on April 2, 2019 at 07:06
- Give the reasons why Optical discs are not mostly used in microcomputer systems as secondary storage media.(Solved)
Give the reasons why Optical discs are not mostly used in microcomputer systems as secondary storage media.
Date posted: April 2, 2019. Answers (1)
- Give the handling precautions for magnetic media.(Solved)
Give the handling precautions for magnetic media.
Date posted: April 2, 2019. Answers (1)
- State and explain the Physical storage considerations.(Solved)
State and explain the Physical storage considerations.
Date posted: April 2, 2019. Answers (1)
- List the functions of output units.(Solved)
List the functions of output units.
Date posted: April 2, 2019. Answers (1)
- Explain the divisions of output.(Solved)
Explain the divisions of output.
Date posted: April 2, 2019. Answers (1)
- List the advantages of LCD over CRT.(Solved)
List the advantages of LCD over CRT.
Date posted: April 2, 2019. Answers (1)
- Give three factors affecting the performance of a computer monitor.(Solved)
Give three factors affecting the performance of a computer monitor.
Date posted: April 2, 2019. Answers (1)
- Explain a Display Adapter Card.(Solved)
Explain a Display Adapter Card.
Date posted: April 2, 2019. Answers (1)
- Define the term Display.(Solved)
Define the term Display.
Date posted: April 2, 2019. Answers (1)
- Explain how a monitor works.(Solved)
Explain how a monitor works.
Date posted: April 2, 2019. Answers (1)
- Give the factors that determine how severe the screen burnout is.(Solved)
Give the factors that determine how severe the screen burnout is.
Date posted: April 2, 2019. Answers (1)
- Give the ways on how to avoid screen burnout.(Solved)
Give the ways on how to avoid screen burnout.
Date posted: April 2, 2019. Answers (1)
- State and explain the types of Monitors.(Solved)
State and explain the types of Monitors.
Date posted: April 2, 2019. Answers (1)
- List the advantages of Monitors.(Solved)
List the advantages of Monitors.
Date posted: April 2, 2019. Answers (1)
- List the disadvantages of Visual Display Unit.(Solved)
List the disadvantages of Visual Display Unit.
Date posted: April 2, 2019. Answers (1)
- Explain voice output devices.(Solved)
Explain voice output devices.
Date posted: April 2, 2019. Answers (1)
- List the limitations of Voice Output.(Solved)
List the limitations of Voice Output.
Date posted: April 2, 2019. Answers (1)
- Give the advantages of Voice Output.(Solved)
Give the advantages of Voice Output.
Date posted: April 2, 2019. Answers (1)
- Draw a diagram to explain the classification of printers.(Solved)
Draw a diagram to explain the classification of printers.
Date posted: April 2, 2019. Answers (1)
- Non-impact printers(Solved)
Non-impact printers
Date posted: April 2, 2019. Answers (1)