| Subject | English | Chinese simplified |
| comp., MS | null field | NULL 字段 (" A field containing a Null value. A null field isn't the same as a field that contains a zero-length string (" ") or a field with a value of 0.") |
| comp., MS | null key | 空键 (A null value that is encountered in a key column) |
| comp., MS | null modem | 无调制解调器 (Special cabling that eliminates the modem's need for asynchronous communications between two computers over short distances. A null modem cable emulates modem communication) |
| comp., MS | null object | 空对象 (An object with no members) |
| comp., MS | null pointer | 空指针 (A pointer to nothing: usually a standardized memory address, such as 0. A null pointer usually marks the last of a linear sequence of pointers or indicates that a data search operation has come up empty) |
| comp., MS | null reference | 空引用 (In C++, a reference that has not been assigned an object) |