In computer, ALU has                           ?

The correct answer is 2units because the Arithmetic Logic Unit (ALU) inside a central processing unit is split into two distinct sub-components to handle separate computational duties.

• Step 1 (Internal Subdivisions): The ALU is engineered with a strict functional division of labor. It consists of the Arithmetic Unit (AU), which performs math calculations like addition and subtraction, and the Logic Unit (LU), which handles boolean logic comparisons like AND, OR, and NOT.


• Step 2 (Processor Execution): By splitting these operations into two specialized internal units, the CPU can cycle through binary assembly instructions with optimal speed and electrical efficiency.


• Incorrect Options:
  
  
  
  • 3units is incorrect because adding a third unit would violate the streamlined dual-part architecture of standard ALU functional specifications.
  
  
  • 4units is incorrect because structural processing topologies do not require four distinct branches to handle basic binary data manipulation.
  
  
  • 5units is incorrect because five units represents an over-complicated design model that does not align with core x86 or RISC arithmetic logic layouts.