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Which of the following is an example of Optical memory?
- a)ROM
- b)DVD
- c)Flash memory
- d)RAM
- e)Floppy disk
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Which of the following is an example of Optical memory?a)ROMb)DVDc)Fl...
DVD is an example of Optical memory.
RAM, ROM, EPROM, and flash memory are examples of Semiconductor memory.
Floppy disk is an example of Magnetic memory.
Hence, option b is the correct answer.
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Community Answer
Which of the following is an example of Optical memory?a)ROMb)DVDc)Fl...
Understanding Optical Memory
Optical memory refers to storage devices that use laser technology to read and write data. The most common example of optical memory is the DVD.
Key Characteristics of Optical Memory
- **Data Storage**: Optical memory stores data in the form of pits and lands on a disc surface, which are read by a laser.
- **Durability**: DVDs are more resistant to environmental conditions compared to magnetic storage devices like floppy disks.
- **Capacity**: A standard DVD can hold up to 4.7 GB of data, which is significantly more than a floppy disk (typically 1.44 MB).
Comparison with Other Options
- **ROM (Read-Only Memory)**: This is a type of non-volatile memory used mainly for firmware; it does not utilize laser technology.
- **Flash Memory**: This is an electronic storage technology that does not involve optical methods; it uses electrical charges to store data.
- **RAM (Random Access Memory)**: RAM is volatile memory used for temporary storage while a device is running and does not involve optical technology.
- **Floppy Disk**: This is a magnetic storage medium and not classified as optical memory.
Conclusion
In conclusion, the correct answer is option 'B' (DVD) because it is a quintessential example of optical memory, utilizing laser technology for data storage and retrieval, unlike the other options presented.
Optical memory refers to storage devices that use laser technology to read and write data. The most common example of optical memory is the DVD.
Key Characteristics of Optical Memory
- **Data Storage**: Optical memory stores data in the form of pits and lands on a disc surface, which are read by a laser.
- **Durability**: DVDs are more resistant to environmental conditions compared to magnetic storage devices like floppy disks.
- **Capacity**: A standard DVD can hold up to 4.7 GB of data, which is significantly more than a floppy disk (typically 1.44 MB).
Comparison with Other Options
- **ROM (Read-Only Memory)**: This is a type of non-volatile memory used mainly for firmware; it does not utilize laser technology.
- **Flash Memory**: This is an electronic storage technology that does not involve optical methods; it uses electrical charges to store data.
- **RAM (Random Access Memory)**: RAM is volatile memory used for temporary storage while a device is running and does not involve optical technology.
- **Floppy Disk**: This is a magnetic storage medium and not classified as optical memory.
Conclusion
In conclusion, the correct answer is option 'B' (DVD) because it is a quintessential example of optical memory, utilizing laser technology for data storage and retrieval, unlike the other options presented.
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Which of the following is an example of Optical memory?a)ROMb)DVDc)Flash memoryd)RAMe)Floppy diskCorrect answer is option 'B'. Can you explain this answer?
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