Practice Unit Summary (3.6) - Direct Mapped Cache Organization - Computer Organisation and Architecture - Vol 3
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

Unit Summary

Practice - Unit Summary

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

Define what a cache hit is.

💡 Hint: Think about where the data is being sought.

Question 2 Easy

What does a cache miss signify?

💡 Hint: Consider what happens when data isn't found.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a cache hit indicate?

Data found in cache
Data not found in cache
Data being transferred

💡 Hint: Think about the result of asking the cache for data.

Question 2

True or False: Locality of reference impacts cache performance.

True
False

💡 Hint: Reflect on how programs access memory.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a cache that uses a direct mapping strategy, calculate how many cache lines would be needed if the total memory size is 64KB with block sizes of 8 bytes.

💡 Hint: First find how many blocks fit in the memory.

Challenge 2 Hard

If accessing memory address 1000 returns a miss but the next address 1008 hits, describe what could have happened.

💡 Hint: Think about block sizes and how they relate to subsequent addresses.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.