Podcast
Questions and Answers
How does a CD-ROM store and read data?
How does a CD-ROM store and read data?
What is the capacity of a floppy disk?
What is the capacity of a floppy disk?
What is the capacity range of a DVD?
What is the capacity range of a DVD?
What is the main purpose of a floppy disk?
What is the main purpose of a floppy disk?
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How does the speed of a CD-ROM compare to a hard disk?
How does the speed of a CD-ROM compare to a hard disk?
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Which type of memory is a high-speed memory that a processor can access more rapidly than main memory?
Which type of memory is a high-speed memory that a processor can access more rapidly than main memory?
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What type of memory is volatile and loses its contents when the current is turned off?
What type of memory is volatile and loses its contents when the current is turned off?
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What has become the principal bottleneck to system performance due to its inability to keep pace with microprocessor speed?
What has become the principal bottleneck to system performance due to its inability to keep pace with microprocessor speed?
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What type of storage devices are RAM chips?
What type of storage devices are RAM chips?
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Which type of memory holds less data but allows the CPU to access desired data and instructions more quickly?
Which type of memory holds less data but allows the CPU to access desired data and instructions more quickly?
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Study Notes
Data Storage Devices
- CD-ROM stores data as a series of tiny pits and lands on a reflective surface, read using a laser.
- Floppy disk has a capacity of around 1.44 MB.
DVD Capacity
- DVDs have a capacity range of 4.7 GB (single-layer) to 17 GB (dual-layer).
Purpose of Floppy Disk
- The main purpose of a floppy disk is to provide a portable storage medium for transferring files between computers.
CD-ROM Speed
- CD-ROMs have a slower data access speed compared to hard disks.
Memory Types
- Cache memory is a high-speed memory that a processor can access more rapidly than main memory.
- Volatile memory, such as RAM, loses its contents when the power is turned off.
System Performance Bottleneck
- Main memory has become the principal bottleneck to system performance due to its inability to keep pace with microprocessor speed.
RAM Storage
- RAM chips are a type of volatile storage device.
Cache Memory
- Cache memory holds less data but allows the CPU to access desired data and instructions more quickly.
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Description
Test your knowledge of storage media with this quiz! Learn about different types of magnetic and optical disks, their sizes, capacities, and uses in transferring and storing data.