Table of Contents
What is Processor?
In computer science, a processor or processing unit is an electrical circuit that executes different functions on external or outer data sources, on memory or other data flow or stream.
It is the typical form of a microprocessor that can be implemented on metal-oxide- semiconductors, an integrated circuit chip. The circuits in the past were prepared using multiple individuals or integrated transistors and multiple vacuum tubes.
Nowadays, processors are with built-in transistors. The term CPU cites the system’s central processing unit. However, it also refers to other coprocessors, such as graphic processing units or GPUs.
Typical processors are silicon-based; thus, researchers are developing experimental processors based on alternative materials, such as carbon mono-tubes, different alloys, and graphene.
Transistors are made up of single-sheet silicon atoms in which one atom is tall and 2D material has been researched to use in processors. Quantum processors are formed. They use superposition to represent bits called qubits instead of only on and off state.
A central processing unit (CPU) is a central unit or main processor, an electronic circuit that executes information from a computer program.
It performs basic arithmetic, controlling, logic, and input/output (I/O) operations specified by program instructions. It contrasts with the main memory, input, or output circuit, external components, and specialized processors such as graphic processing units (GPUs).
However, fundamental operations of the CPU remain the same, but the form of the CPU, design, and implementation change over time.
Moreover, the primary function of the CPU is to perform arithmetic and logic operations, but the processor register provides operands to the arithmetic logic unit, which stores the results of ALU operations.
It also helps to control, arrange, and organize in collecting, decoding, and executing information by directing coordinated operations of ALU, register, and other components.
However, the core can perform or process all the computational tasks independently in the CPU. So, from this point of view, the core is a smaller processor within the bigger processor.
Core and CPU are different in terms of their functioning. The main difference between a core and a CPU is that a CPU is an electronic circuit within the computer that carries information to perform arithmetic, logical, control, and input/output operations.
While the core is the execution unit within the CPU that receives and executes information and instruction.
Difference Between Processor, CPU and Core
A processor is an electrical circuit that executes different functions on external or outer data sources, on memory or other data flow or stream.
A central processing unit (CPU) is a central or main processor; an electronic circuit executes information from a computer program.
While the core is called the brain or backbone of the CPU, it is a processor built into the CPU or CPU socket.
Comparison Table Between Processor, CPU and Core
|Parameter of Comparison||Processor||CPU||Core|
|Definition||In computer science, a processor or processing unit is an electrical circuit that executes different functions on external or outer data sources, on memory. or other data flow or stream.||A central processing unit (CPU) is the main processor, or an electronic circuit executes information from a computer program.||A core is the brain of the CPU, and it is a processor built into the CPU or CPU socket.|
|Used Numbers||Computers can have one or multiple processors.||Computers that can hold more than one CPU.||Processors can hold one or more cores.|
|Location||It is located inside a computer in the motherboard.||It is also located on the top of a motherboard in the PC.||It is located within the CPU as a brain.|
|Working||It is also helpful in fetching, decoding, and executing data.||It processes input or output data and store it.||It fetches, decodes, and executes the data.|
|Cost||Processor is less expensive compared to core.||CPU is also expensive.||A core is very expensive compared to a processor.|
- “Oxford English Dictionary.” Lexico. Archived from the original on March 25, 2020. Retrieved 25 March 2020.
- ^ Garner, Robert; Dill, Frederick (Rick) (Winter 2010). “The Legendary IBM 1401 Data Processing System” (PDF). IEEE Solid-State Circuits Magazine. 2 (1): 28–39. doi:10.1109/MSSC.2009.935295. S2CID 31608817.