标记说明
| 标记 | 含义 | 要求 |
|---|
| M1 | Method mark | 正确的方法/步骤/工作过程 |
| A1 | Answer mark | 正确的最终答案（依赖 M1） |
| B1 | Behaviour/Statement mark | 独立于 M1 的正确陈述/定义 |
常见 MS 短语（Examiner 接受的关键词）
浮点数类
- "M1：correct conversion of integer part"
- "M1：correct conversion of fractional part"
- "M1：correct normalisation"
- "A1：correct mantissa"
- "A1：correct exponent"
- "B1：identifies overflow / underflow"
数据类型类
- "B1：correct use of TYPE ... = ... ENDTYPE"
- "B1：correct use of DECLARE ... : ..."
- "B1：correct pointer syntax ^..."
- "B1：correct dot notation"
文件组织类
- "B1：describes serial: records stored in order of arrival"
- "B1：describes sequential: records in key order"
- "B1：describes random: direct access by key"
哈希类
- "M1：correct application of hash function"
- "A1：correct address for each key"
- "A1：correct handling of collision"
Examiner Tips
- 计算题展示 工作过程（working）可得 M1，即使最终答案错误
- 定义题只要能配对上 关键描述（key phrase）即给 B1
- 对比题需要 both sides（同时说清楚两个的优缺点）才能得满分