Grade 9 Exam > Grade 9 Questions > Which among the following secondary memories ...
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Which among the following secondary memories is not an Optical memory?
- a)Floppy
- b)CD
- c)DVD
- d)Blu-Ray
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which among the following secondary memories is not an Optical memory?...
Optical Memory vs. Floppy Disk
Floppy disks are not optical memories because they store data magnetically, unlike CDs, DVDs, and Blu-Rays which use optical technology. Here's a breakdown of the differences:
Floppy Disk:
- Floppy disks are a type of magnetic storage device.
- They consist of a thin, flexible magnetic disk enclosed in a square or rectangular plastic shell.
- Data is written to and read from the disk using a magnetic head.
- Floppy disks have limited storage capacity compared to optical discs.
Optical Memory (CD, DVD, Blu-Ray):
- CDs, DVDs, and Blu-Rays are optical storage devices.
- They use lasers to read and write data on a reflective surface.
- Optical discs have higher storage capacities than floppy disks.
- They are commonly used for storing multimedia files, software, and backups.
In conclusion, while CDs, DVDs, and Blu-Rays fall under the category of optical memories due to their use of laser technology for data storage, floppy disks are considered separate as they rely on magnetic storage methods.
Floppy disks are not optical memories because they store data magnetically, unlike CDs, DVDs, and Blu-Rays which use optical technology. Here's a breakdown of the differences:
Floppy Disk:
- Floppy disks are a type of magnetic storage device.
- They consist of a thin, flexible magnetic disk enclosed in a square or rectangular plastic shell.
- Data is written to and read from the disk using a magnetic head.
- Floppy disks have limited storage capacity compared to optical discs.
Optical Memory (CD, DVD, Blu-Ray):
- CDs, DVDs, and Blu-Rays are optical storage devices.
- They use lasers to read and write data on a reflective surface.
- Optical discs have higher storage capacities than floppy disks.
- They are commonly used for storing multimedia files, software, and backups.
In conclusion, while CDs, DVDs, and Blu-Rays fall under the category of optical memories due to their use of laser technology for data storage, floppy disks are considered separate as they rely on magnetic storage methods.
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Community Answer
Which among the following secondary memories is not an Optical memory?...
Optical Memory
Floppy Disk
- A floppy disk is a type of secondary memory that is not categorized as an optical memory.
- It uses a magnetic storage medium to store data, unlike optical memories that use laser technology to read and write data.
- Floppy disks were commonly used in the past but have become obsolete due to their limited storage capacity and slow data transfer rates.
CD, DVD, and Blu-Ray
- CD, DVD, and Blu-Ray are all examples of optical memories.
- They use lasers to read and write data on optical discs, which have a higher storage capacity compared to floppy disks.
- These optical memories are commonly used for storing and distributing media such as music, movies, software, and data backups.
Floppy Disk
- A floppy disk is a type of secondary memory that is not categorized as an optical memory.
- It uses a magnetic storage medium to store data, unlike optical memories that use laser technology to read and write data.
- Floppy disks were commonly used in the past but have become obsolete due to their limited storage capacity and slow data transfer rates.
CD, DVD, and Blu-Ray
- CD, DVD, and Blu-Ray are all examples of optical memories.
- They use lasers to read and write data on optical discs, which have a higher storage capacity compared to floppy disks.
- These optical memories are commonly used for storing and distributing media such as music, movies, software, and data backups.
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Question Description
Which among the following secondary memories is not an Optical memory?a)Floppyb)CDc)DVDd)Blu-RayCorrect answer is option 'A'. Can you explain this answer? for Grade 9 2025 is part of Grade 9 preparation. The Question and answers have been prepared according to the Grade 9 exam syllabus. Information about Which among the following secondary memories is not an Optical memory?a)Floppyb)CDc)DVDd)Blu-RayCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Grade 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which among the following secondary memories is not an Optical memory?a)Floppyb)CDc)DVDd)Blu-RayCorrect answer is option 'A'. Can you explain this answer?.
Which among the following secondary memories is not an Optical memory?a)Floppyb)CDc)DVDd)Blu-RayCorrect answer is option 'A'. Can you explain this answer? for Grade 9 2025 is part of Grade 9 preparation. The Question and answers have been prepared according to the Grade 9 exam syllabus. Information about Which among the following secondary memories is not an Optical memory?a)Floppyb)CDc)DVDd)Blu-RayCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Grade 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which among the following secondary memories is not an Optical memory?a)Floppyb)CDc)DVDd)Blu-RayCorrect answer is option 'A'. Can you explain this answer?.
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