(Chapter 1 basic knowledge of computer 1. Hardware knowledge 1. The composition of computer system includes hardware system and software system. The hardware system is divided into three typical structures: (1) single bus structure (2), double bus structure (3), large system structure with channels. The CPU of the central processing unit includes arithmetic unit and controller. 2. The instruction system instruction is composed of operation code and address code. 3. The storage system is divided into main memory secondary memory level and main memory cache level. Cache is a copy of the local area of main memory, which is used to store the most active programs and data Chapter 13 network demand analysis and network planning)
收藏
