Chapter 2: Data Manipulation. Chapter 2: Data Manipulation. 2.1 Computer Architecture 2.2 Machine Language 2.3 Program Execution. Computer Architecture. Central Processing Unit (CPU) or processor Arithmetic/Logic unit versus Control unit
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A bus connects parts of the CPU to one another. It also links the CPU to the various components of the system board.
There are three types of buses:
A program can be encoded as bit patterns and stored in main memory. From there, the CPU can then extract the instructions and execute them. In turn, the program to be executed can be altered easily.
Load : To fetch data from Main Memory
Store : To save data into Main Memory
Move: To transfer data from register to register
Add / Sub / Mult / Div / Mod
And / OR / XOR / NOT /SHIFT /ROTATE