計算機概論筆記-Customized Data Types & 8-6 Pointers in Machine Language

8-4 Customized Data Types

 

1.user-defined data types:使用者定義資料型態:the glomerates primitive types collected under a single name:在一個名稱下所有基本資料型態.

 

2.Abstract Data Types:

 

(1)a predetermined storage system:一組預定的儲存系統.

 

(2)a collection of predefoined operations:一組預定的運算系統.

 

à當宣告一變數為某一個基本變數型態時,要使用時,即可對此變數做運算,就不必再作定義.

 

3.Result:It includes definitions of operations and “User-defined data types”.

8-6 Pointers in Machine Language

 

1.      immediate addressing:contain the data.

 

2.      directed addressing: contain the address of data.

 

3.      indirect addressing:contain location of address of data.