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Questions and Answers
What type of memory requires power to maintain stored information?
What type of memory requires power to maintain stored information?
- Permanent memory
- Volatile memory (correct)
- Flash memory
- Non-volatile memory
Non-volatile memory is typically slower than volatile memory.
Non-volatile memory is typically slower than volatile memory.
True (A)
Name one example of volatile memory.
Name one example of volatile memory.
RAM
Examples of non-volatile memory include __________.
Examples of non-volatile memory include __________.
Match the following types of memory with their characteristics:
Match the following types of memory with their characteristics:
Which of the following is NOT a function covered in file management?
Which of the following is NOT a function covered in file management?
Caching is a type of non-volatile memory.
Caching is a type of non-volatile memory.
What is the relationship between speed and cost in memory types?
What is the relationship between speed and cost in memory types?
The chapter on file management covers file __________ and directory abstraction.
The chapter on file management covers file __________ and directory abstraction.
Match the following examples with their types:
Match the following examples with their types:
Volatile memory requires ______ to maintain the stored information.
Volatile memory requires ______ to maintain the stored information.
If power is lost, the stored data is also ______.
If power is lost, the stored data is also ______.
Examples of volatile memory include ______ and CPU caches.
Examples of volatile memory include ______ and CPU caches.
Non-volatile memory retains stored information even without ______.
Non-volatile memory retains stored information even without ______.
Examples of non-volatile memory include hard drives (HDD) and ______ state drives (SSD).
Examples of non-volatile memory include hard drives (HDD) and ______ state drives (SSD).
Volatile memory is generally ______ than non-volatile memory.
Volatile memory is generally ______ than non-volatile memory.
The faster the memory, the more ______ per byte.
The faster the memory, the more ______ per byte.
This chapter will discuss file ______, directory abstraction, and file systems.
This chapter will discuss file ______, directory abstraction, and file systems.
Caching is mentioned as part of ______ management.
Caching is mentioned as part of ______ management.
What is the main distinction between volatile and non-volatile memory in terms of power requirement?
What is the main distinction between volatile and non-volatile memory in terms of power requirement?
How does the speed of volatile memory generally compare to non-volatile memory?
How does the speed of volatile memory generally compare to non-volatile memory?
Name two types of volatile memory and explain their functionality.
Name two types of volatile memory and explain their functionality.
What are the implications of the cost-to-speed relationship in memory types?
What are the implications of the cost-to-speed relationship in memory types?
In file management, what abstraction layers are discussed aside from file systems?
In file management, what abstraction layers are discussed aside from file systems?
Identify the types of memory that lose data when power is lost.
Identify the types of memory that lose data when power is lost.
What are the two primary characteristics of non-volatile memory?
What are the two primary characteristics of non-volatile memory?
Describe the role of caching in file management.
Describe the role of caching in file management.
Explain why volatile memory is important for computer performance.
Explain why volatile memory is important for computer performance.
Study Notes
File Management Overview
- Key components of file management include file abstraction, directory abstraction, file systems, and caching.
- The chapter does not cover hardware management of storage devices; that will be addressed in the subsequent chapter on I/O and devices.
Volatile vs. Non-Volatile Memory
-
Volatile Memory
- Requires power to retain stored information.
- Data loss occurs when power is lost.
- Common examples: RAM and CPU caches.
-
Non-Volatile Memory
- Retains stored information without requiring power.
- Examples include hard disk drives (HDD) and solid-state drives (SSD).
-
General Characteristics
- Volatile memory is typically faster than non-volatile memory.
- Faster memory usually has a higher cost per byte.
- CPU register access time is approximately 1 nanosecond (ns).
File Management Overview
- Key components of file management include file abstraction, directory abstraction, file systems, and caching.
- The chapter does not cover hardware management of storage devices; that will be addressed in the subsequent chapter on I/O and devices.
Volatile vs. Non-Volatile Memory
-
Volatile Memory
- Requires power to retain stored information.
- Data loss occurs when power is lost.
- Common examples: RAM and CPU caches.
-
Non-Volatile Memory
- Retains stored information without requiring power.
- Examples include hard disk drives (HDD) and solid-state drives (SSD).
-
General Characteristics
- Volatile memory is typically faster than non-volatile memory.
- Faster memory usually has a higher cost per byte.
- CPU register access time is approximately 1 nanosecond (ns).
File Management Overview
- Key components of file management include file abstraction, directory abstraction, file systems, and caching.
- The chapter does not cover hardware management of storage devices; that will be addressed in the subsequent chapter on I/O and devices.
Volatile vs. Non-Volatile Memory
-
Volatile Memory
- Requires power to retain stored information.
- Data loss occurs when power is lost.
- Common examples: RAM and CPU caches.
-
Non-Volatile Memory
- Retains stored information without requiring power.
- Examples include hard disk drives (HDD) and solid-state drives (SSD).
-
General Characteristics
- Volatile memory is typically faster than non-volatile memory.
- Faster memory usually has a higher cost per byte.
- CPU register access time is approximately 1 nanosecond (ns).
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Description
This quiz covers the essential concepts of file management from Chapter 4 of the Operating Systems and System Software textbook. Topics include file abstraction, directory abstraction, file systems, and caching. Prepare to test your understanding of how file management operates within computer systems.
