Processor
Control
Unit
Unit
Arithmetic
Logic Unit (ALU)
Logic Unit (ALU)
Arithmetic
Logic Unit (ALU)
Logic Unit (ALU)
Processor
What
is the central processing unit (CPU)?
p. 183 Fig. 4-5
Next
Input
Devices
Devices
Storage
Devices
Devices
Output
Devices
Devices
ØInterprets and
carries out basic instructions that operate a
computer
Memory
Data
Information
Instructions
Data
Information
Data
Information
Instructions
Data
Information
Data
Information
Control
Unit
Unit
§Control
unit
directs and coordinates operations in computer
§Arithmetic
logic unit
(ALU) performs
arithmetic, comparison,
and logical operations
(ALU) performs
arithmetic, comparison,
and logical operations
ØAlso called the processor