Practice Mapping Functions (4.5.3) - Direct-mapped Caches: Misses, Writes and Performance
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Mapping Functions

Practice - Mapping Functions

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary difference between SRAM and DRAM?

💡 Hint: Consider speed and cost.

Question 2 Easy

Define a cache hit.

💡 Hint: Think about where the data is stored.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a cache hit signify?

Data is in cache
Data is in main memory

💡 Hint: Think about the location of the data.

Question 2

True or False: Direct mapping allows one main memory block to map to multiple cache lines.

True
False

💡 Hint: Consider the definition of direct mapping.

Get performance evaluation

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a simple direct-mapped cache system with 4 cache lines and explain how main memory blocks map to it.

💡 Hint: Calculate the line number for each block using the mapping function.

Challenge 2 Hard

Analyze the cost and performance implications of increasing cache size in a memory hierarchy and explain your reasoning.

💡 Hint: Consider both performance and cost factors.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.