Memorize Hard System Architecture Topics with Simple Mnemonic Rhymes

1. Why Mnemonics Work

The human brain retains information better when it has rhythm and rhyme. The article cites examples like the classic poem "床前明月光，疑是地上霜" to illustrate that rhythmic sentences are easier to recall than plain prose.

2. Classic Mnemonics for the System Architecture Exam

OSI Seven‑Layer Model

Standard answer: "物链网传会表应"

Author’s rhyme: "勿（物理层）忘（数据链路层）拿（网络层）船（传输层）升（会话层）表（表示层）应（应用层）"

Alternative colloquial version: "请（物理层）勿（网络层）贪（图层层）图（传输层）会（会话层）表（表示层）演（应用层）"

TCP Three‑Way Handshake

Mnemonic: "一请（SYN）二应（SYN‑ACK）三确认（ACK）"

First: client sends SYN to request a connection.

Second: server replies with SYN‑ACK, indicating agreement.

Third: client sends ACK to confirm the connection.

CAP Theory

Mnemonic: "CP不A，AP不C"

Consistency + Partition tolerance → sacrifice Availability.

Availability + Partition tolerance → sacrifice Consistency.

Memory aid: "CP像宅男，不出门（不可用）也要等对象（等一致）"

ACID Properties

Mnemonic: "原（原子性）一（一致性）隔（隔离性）永（持久性）"

SOLID Principles

Mnemonic: "单（单一职责）开（开闭原则）里（里氏替换）依（依赖倒置）接（接口隔离）"

Database Normal Forms

Mnemonic: "一范（1NF）无重复，二范（2NF）无部分，三范（3NF）无传递"

Software Lifecycle

Mnemonic: "规（规划）分（分析）设（设计）开（开发）测（测试）运（运维）废（废弃）"

3. How to Create Your Own Mnemonics

Keyword Extraction Method

List the knowledge points you need to remember (usually 3‑7 items).

Extract a keyword from each point.

Combine the keywords into a rhyme or phrase using homophones, rhymes, or alliteration.

Example for architecture evaluation methods (SAAM, ATAM, CBAM):

SAAM → "S先行" (S first).

ATAM → "AT一下" (AT a bit).

CBAM → "成本驱动" (cost‑driven).

Story Association Method

Turn the items into an absurd story; the story’s absurdity reinforces memory. Example for database transaction isolation levels:

Read Uncommitted → 未

Read Committed → 经

Repeatable Read → 修炼

Serializable → 成正果

Mnemonic story: "未经修炼成正果".

Body‑Location Method

Map each item to a body part and visualize the action. Example for CPU components (Arithmetic Logic Unit, Control Unit, Registers): "算（运算器）空（控制器）吃（寄存器）" with the mental image of using your hand to calculate, your brain to imagine, and your mouth to eat.

4. Tips for Using Mnemonics

Mnemonics are aids, not substitutes; you must still be able to explain the concepts.

Only create mnemonics for points that truly benefit from them; over‑mnemonizing can become a burden.

Review mnemonics regularly (e.g., weekly) to keep the encoded information decoded.

Personalize mnemonics to fit your own memory style.

5. My Mnemonic Collection (Excerpt)

【计算机基础】
- OSI七层：勿忘拿船升表应
- TCP三次握手：一请二应三确认
- IP地址分类：A类政府（1-126）、B类公司（128-191）、C类个人（192-223）

【软件工程】
- CMM五级：初已定量优
- 瀑布模型阶段：规分设开测运废
- 敏捷宣言：个体互动 > 流程工具

【架构设计】
- CAP理论：CP不A，AP不C
- ACID特性：原一隔永
- SOLID原则：单开里依接

【数据库】
- 三大范式：无重复→无部分→无传递
- 事务隔离级别：未经修炼成正果

Conclusion

The core of mnemonic memorization is to turn abstract facts into concrete, interesting, and rhythmic phrases. When preparing for the system architecture exam, applying these rhymes and creating personalized verses can dramatically improve recall, as long as you also understand the underlying concepts.

Article ID: 072 – Chapter 1