LOGO. Characteristics of Processors Funtions Is the central processing unit, performing all the processing, calculation and control systems. The

LOGO

Characteristics of Processors

Funtions Is the central processing unit, performing all the processing,

calculation and control systems.

The basic components of the CPU Control unit (CU: control unit)

• Control operation of the system according to the translated program available

Arithmetic & Logic Unit (ALU: Arimethic Logic Unit)• Perform arithmetic and logic

Set of registers (Registers)• Used to store information temporarily for CPU activity.

Include the address register, data registers, instruction register and the flags register.

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I

A F

D I

A F

D

Operatings

For the CPU, so the information processing in the CPU is completely automated by the program is available in memory.

CPU execution through three steps: F (Fetch). D (Decode). E (Execute).


Time

CPUexecute

Done, then proceed with the next CPU reads the next command.

Here are the steps that the CPU must be done sequentially.


Operatings

The specifications of CPU

Cache FSB – Front Side Bus DIP, PGA, LGA Hyperthreading Multicore Throttling Microcode Overclocking Speed System Bus


Cache Cache is a very fast chip memory that is used to hold data

and instructions that are most likely to be requested next by the CPU

L1 cache: the cache located on the CPU (L1 data cache, L1 instructions cache)

L2 cache: located on the motherboard. L3 cache: new cache, only in the modern generation CPU



FSB – Front Side Bus Front Side Bus (FSB) is the bus that carries

data between the CPU and the Northbrigde.



DIP, PGA, LGA





Hyperthreading This term refers to Intel’s Hyper-Threading Technology

(HTT). The operating system can schedule two processes at the

same time, as in the case of symmetric multiprocessing (SMP), where two or more processors use the same system resources.



Multicore A processor that exhibits a multicore architecture has two

completely separate processors in the same package.

Throttling is the process of controlling how much CPU time is spent on

an application.


Microcode is the set of instructions set that make up the various

microprograms that the processor executes while carrying out its various duties.

Overclocking Overclocking your CPU offers increased performance.

The speed The speed of the processor is generally described in clock

frequency (MHz or GHz).

System Bus (32- and 64-Bit) The set of data lines between the CPU and the primary

memory of the system can be 32 or 64 bits wide.



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LOGO. Characteristics of Processors Funtions Is the central processing unit, performing all the processing, calculation and control systems. The