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Difference between System Unit and CPU
  • Last Updated : 28 Jun, 2020

System Unit:
System Unit is that the hardware element of the PC system. It varies in size and possesses completely different size per specific PC kind and its demand for work. It is additionally known as the system chase, computer case, computer chassis, etc.

System unit contains optical drive, hardware, RAM, power supply, BIOS, motherboard, processors, fans, peripheral devices, etc. It’s not a purposeful unit itself, however it provides the surroundings to all or any the opposite purposeful units and interiors to collaborate and work conjointly in a very ordinarily hooked up hardware chase. It’s sometimes created from aluminium or typically metal. It varies in form and size per the necessities of the PC or Computer.

Central Processing Unit (CPU):
CPU is known as brain for every ingrained system. CPU comprises the arithmetic logic unit (ALU) accustomed quickly to store the information and perform calculations and Control Unit (CU) for performing instruction sequencing as well as branching. CPU interacts with more computer components such as memory, input and output for performing instruction.





Let’s see the difference between System unit and CPU :

S.NOSystem UnitCPU
1.System Unit does not have any full form.CPU stands for Central Processing Unit.
2.It manages the entire or whole computer.Whereas it is the part of system unit.
3.Without CPU system unit is nothing.It is the heart or brain of system unit.
4.It is not responsible for giving the answer or solution of queries.While it is responsible for giving the answer or solution of queries.
5.System unit is the computer system’s part or unit.Whereas it is the small unit of system unit.
6.System unit contains or provides the power supply to the entire computer system.While it does not have power supply.
7.System unit contains optical drive, hardware, RAM, power supply, BIOS, motherboard, processors, fans, peripheral devices, etc.Whereas it contains microprocessor, that process data.

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