PROCESSOR AND HYPERTHREADING
Friends in the last post i tried
to say something about computer science and mathematics relationship. Now i am going to say something about
processor and hyperthreading. So let’s
get started.
The Physical Component By Which
A Computer Is Mde Which We Can See, Touch And Feel Is Called Computer Hardware
Example Ram, Motherboard.
·
INPUT
DEVICE : These hardware are used
to input any data, instruction on command insidea computer device. example keyboard mo9use scanner microphone,
webcam etc
·
OUTPUT
DEVICE: these hardware are used
to get any output from a computer system.
example: monitor, printer, speaker.
·
CENTRAL
PROCESSIG UNIT (CPU): This Device Proceses All Instruction Given By A
User, And It Also Other Haqrdwqaar Peripherals Example :Microprocessor
·
MOTHERBOARD:
It is the main electric circuit board which is made by a pcb(printed circuit
board). It hods all hardware components
and provide interface to those component by which they can communicate with
each other.
·
MEMORY:
These hardware are used to storedata temporarily on permanent. these are two types
o PRIMARY MEMORY:- These Memories
Are Direclty Accessed By A System Cpuit Does Not Need Any Third Controller To
Occur This Memory Example :- Ram , Rom
o SECONDARY MEMORY:- A cpu needs
additional computer to access this memory.
They are basically storage device. Example:- hard disc, cd-dvd, pendrive,
sd cards etc.
·
POWER
SUPPLY UNIT (PSU):- This Unit
Convert Alternating Current To Direct Current And Provides A Regulated Popwer
Supply To All Hardware Peripherals Example :- Switch Mode Power Supply.
All the above is written by me
is to acknowledge you about the primary technology of the computer
peripherals. Now i am going to tell you
about the cpu and its secondary technology.
SINGLE CORE VS MULTI CORE
A cpu contains single or
multiple processsing chips. These chips
are made by silicon. A chip takes three
hundrede steps to be manufacture. A processing containing single chip is known
as single core processor .
In dual core it contains two
chips that means it have two processor in a package. In quadcore it contains four chip and show on
more numbers o chips gives better performance and reduces processing delay.
HYPERTHREADING
It is a feature of certain intel
processor that makes one physical cpu and appears two logical cpu. It uses additional registers two overlap two
instruction which achieve an appropriate thirty percent gain in performance.
Multi threaded applications take
advantage of hyperthreading . But it
cannot rival with the performace achieved by a true dual core processor it was
introduced by intelwiht their prentium four processor and reffered as “ht”
technology.
This technology is supported by
syistem software to take advantage. Most
of the todays operating system such as windows and linux aree capable of
dividing their workload among multiple processors. This is called symmetric
multi processing (smp).
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