What is the main benefit of Level 1 cache?

Fast access to frequently used data

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1.2 CPU performance and Embedded systems

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Questions 15

Answers

1
What happens when clock speed is increased?
Cache memory is expanded
RAM size increases
CPU performance drops
CPU performance improves
2
How do multiple cores impact CPU performance?
Reduces clock speed
Improves multitasking
Doubles performance
Reduces energy consumption
3
Why are embedded systems more reliable than general computers?
Simpler and dedicated tasks
Can be easily updated
Lower power consumption
Can run multiple applications
4
How does a dual-core processor differ from a single-core?
Twice as fast
Better at multitasking
Lower in power consumption
Cannot run applications faster
5
Why might a quad-core CPU not always perform tasks 4x faster?
Software is not optimized
Memory is limited
Cores work independently
Heat generation reduces performance
6
How does Level 2 cache size affect CPU performance?
Reduces clock speed
Improves energy efficiency
Decreases temperature
Increases task speed
7
What is the purpose of an embedded system?
To operate on multiple OS platforms
To run general applications
To perform specific tasks
To manage multitasking
8
What are the three characteristics that affect CPU performance?
Instruction set
Bus width
RAM size
Clock speed, cores, cache
9
What is the downside of a small cache size in a CPU?
Faster processing
Improved multitasking
Lower energy usage
Increased latency
10
Why is it important to understand CPU performance characteristics?
For better cooling
To improve software efficiency
To optimize system performance
For faster system speed
11
Give an example of a device with an embedded system.
Washing machine
Smartphone
Desktop computer
Laptop
12
How does clock speed affect CPU performance?
Improves overall performance
Lowers temperature
Increases power consumption
Reduces latency
13
What role does cache size play in CPU performance?
Lowers CPU temperature
Reduces power consumption
Increases processing speed
Slows down the processor
14
Why is cache memory faster than RAM?
Higher bandwidth
Closer to the CPU
Larger in size
Uses faster technology
15
What is the main benefit of Level 1 cache?
Reduces power consumption
Fast access to frequently used data
Increases RAM performance
Acts as backup memory

1.2 CPU performance and Embedded systems Flashcards | StudBud

1.2 CPU performance and Embedded systems

15 termsStudBud Administration71 plays

Imported from external platform

Flashcards15 cardsFPractice quizPHost liveL

Questions 15

Answers

1
What happens when clock speed is increased?
Cache memory is expanded
RAM size increases
CPU performance drops
CPU performance improves
2
How do multiple cores impact CPU performance?
Reduces clock speed
Improves multitasking
Doubles performance
Reduces energy consumption
3
Why are embedded systems more reliable than general computers?
Simpler and dedicated tasks
Can be easily updated
Lower power consumption
Can run multiple applications
4
How does a dual-core processor differ from a single-core?
Twice as fast
Better at multitasking
Lower in power consumption
Cannot run applications faster
5
Why might a quad-core CPU not always perform tasks 4x faster?
Software is not optimized
Memory is limited
Cores work independently
Heat generation reduces performance
6
How does Level 2 cache size affect CPU performance?
Reduces clock speed
Improves energy efficiency
Decreases temperature
Increases task speed
7
What is the purpose of an embedded system?
To operate on multiple OS platforms
To run general applications
To perform specific tasks
To manage multitasking
8
What are the three characteristics that affect CPU performance?
Instruction set
Bus width
RAM size
Clock speed, cores, cache
9
What is the downside of a small cache size in a CPU?
Faster processing
Improved multitasking
Lower energy usage
Increased latency
10
Why is it important to understand CPU performance characteristics?
For better cooling
To improve software efficiency
To optimize system performance
For faster system speed
11
Give an example of a device with an embedded system.
Washing machine
Smartphone
Desktop computer
Laptop
12
How does clock speed affect CPU performance?
Improves overall performance
Lowers temperature
Increases power consumption
Reduces latency
13
What role does cache size play in CPU performance?
Lowers CPU temperature
Reduces power consumption
Increases processing speed
Slows down the processor
14
Why is cache memory faster than RAM?
Higher bandwidth
Closer to the CPU
Larger in size
Uses faster technology
15
What is the main benefit of Level 1 cache?
Reduces power consumption
Fast access to frequently used data
Increases RAM performance
Acts as backup memory