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قديمة 15-08-2005, 12:46 PM
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صورة 'سر الوجود' الرمزية
.+[ متميز ذهبي ]+.

 
تاريخ الإنضمام: Feb 2002
الإقامة: الهوى شرقي
العمر: 30
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المستوى: سر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond repute
الجنس: female
علم الدولة:
الحالة: سر الوجود غير متصل
المزاج: ???????? 1
الرسالة الشخصية
ها قد وهبتكَ مِـغْزلـيـ .. فاخْتـر لـهُ أنتَ الوبــَر ..
افتراضي مخك,, ولا الكمبيوتر..

The human brain is the most precious organ in the body that controls all other organs. People usually compare the human brain to a computer. They are similar in a way and different in many ways. The human brain controls thoughts, feelings, and physical activities. It is much more powerful than any computer. Computer can control many things, but still man has made the computer and he will continue to be its master.


في الحقيقة، هذه المقدمة كتبتها عندما كنت في المرحلة الإعدادية لموضوع " الفرق بين المخ والكمبيوتر ".وأنا أتصفح دفاتري القديمة وجدتها فأوحت لي بفكرة الموضوع لذلك ضمنتها فيه.. أترككم مع الموضوع وأعتذر عن كونه بالانجليزية..





The Differences..
a) Workings
Brain cells signal each other electrochemically and enzymatically while compter components transmit stronger electrical signals through conductors.
The brain uses chemicals to produce weak electrical signals to communicate with its other parts while the computer uses cables, wires and circuits to transmit artificial, stronger electrical signals that travel many times faster than those of the brain.
Computers, being an eletronic invention of mankind would use eletrical conductors to operate. The human brain being biological uses tiny chemical reactions to produce its signals.

b) Common sense
Computers have no common sense or real intellect unlike the human brain.
Computers can only follow instructions and rules preset by the programmer, they are still not complex enough to understand, analyse and learn about the world like the brain does. Traditional A.I. manages to imitate and resemble human intellect because programmers try to make the computer react like a human brain by defining a set of rules and expectations of behaviour for the computer to follow.


c) evolution
The brain can evolve but it has hardly changed for the past 100,000 years. The computer is rapidly changing with technology.
The brain still weights 3 pounds after 100000 years, while we have already lost count of the difference models of computers that have come out since the past decade.


d) evolution
Although both can increase their memory storage capacity, they use difference methods.
Computer memory grows by adding computer chips. Memories in the brain grow by stronger synaptic connections

e) Capabilty
The brain can learn and understand better, while the computer can multitask and perform complex actions.
It is much easier and faster for the brain to learn new things. Yet, the computer can do many complex tasks at the same time ("multitasking") that are difficult for the brain. For example, try counting backwards and multiplying 2 numbers at the same time. However, the brain also does some multitasking using the autonomic nervous system. For example, the brain controls breathing, heart rate and blood pressure at the same time it performs a mental task.

f) Emotions vs Logic
It is impossible for the brain to act without emotions while computers act only on logic.
Researchers already proved that brains act on emotions, that many of our actions are based on our emotional side. We know that compters act completely on logical bits, that are total absolute. All actions performed by computers are based on the instructions in their coding and other factors have no effect on them.


g) Mantainance
Repairing a computer is relatively simple compared to brain surgery.
It is easier to fix a computer - just get new parts. There are no new or used parts for the brain. However, some work is being done with transplantation of nerve cells for certain neurological disorders such as Parkinson's disease. Both a computer and a brain can get "sick" - a computer can get a "virus" and there are many diseases that affect the brain.


h) Working hours
The computer can be turned off, but not the brain (it works for 24 hours a day).
The brain is always changing and being modified. There is no "off" for the brain - even when an animal is sleeping, its brain is still active and working. The computer only changes when new hardware or software is added or something is saved in memory. There IS an "off" for a computer. When the power to a computer is turned off, signals are not transmitted.


i) Imagination and Creativity
The computer can hardly innovate and invent new ideas unlike the brain.
The computer is faster at doing logical things and computations. It can do creative innovation, but only by using preset algorithms to merge current ideas(which only presents a limited range of creavity).However, the brain is better at interpreting the outside world and coming up with new ideas. The brain is capable of imagination.


j) Complexity
The brain has 100 billion neurons which form billions of links is many many times more complex than, the mere hundreds of millions of transistors and circuit in today's computers.
Scientists understand how computers work (of course, they created them). There are thousands of neuroscientists studying the brain. Nevertheless, there is still much more to learn about the brain because of their complexity. There is more we do NOT know about the brain, than what we do know about

the brain



قديمة 15-08-2005, 02:45 PM   #2 (permalink)
مريم الطنيجي في ذمة الله

 
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صورة 'YeLlOw' الرمزية
 
تاريخ الإنضمام: Oct 2004
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المستوى: YeLlOw has a reputation beyond reputeYeLlOw has a reputation beyond reputeYeLlOw has a reputation beyond reputeYeLlOw has a reputation beyond reputeYeLlOw has a reputation beyond reputeYeLlOw has a reputation beyond reputeYeLlOw has a reputation beyond reputeYeLlOw has a reputation beyond reputeYeLlOw has a reputation beyond reputeYeLlOw has a reputation beyond reputeYeLlOw has a reputation beyond repute
الجنس: female
علم الدولة:
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المزاج: ????
الرسالة الشخصية
Hope U are Happy & doing Well
افتراضي رد : مخك,, ولا الكمبيوتر..

حلو ,,, والله يوفقك

يا سر الوجود..

مخي

مخي

الكمبيوتر

{هذي أنا وهذي طباعي وجيت أقدم لك وفاي لا عجب ولا عجيبه .....
اللي مضى روح وفات
 
قديمة 17-08-2005, 05:31 PM   #3 (permalink)
.+[ متميز ذهبي ]+.

 
tab
صورة 'سر الوجود' الرمزية
 
تاريخ الإنضمام: Feb 2002
الإقامة: الهوى شرقي
العمر: 30
المشاركات: 3,570
كافة التدوينات: 6
معلومات إضافية
السمعة: 11036926
المستوى: سر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond reputeسر الوجود has a reputation beyond repute
الجنس: female
علم الدولة:
الحالة: سر الوجود غير متصل
المزاج: ???????? 1
الرسالة الشخصية
ها قد وهبتكَ مِـغْزلـيـ .. فاخْتـر لـهُ أنتَ الوبــَر ..
افتراضي وهل هناك مقارنة بين صنعة الله وصنعة البشر.!!

غاليتي نهاية حياة,,
أشكرك على تواصلك الطيب معي..


وأنا معك..

مخي مخي الكمبيوتر.. :)


شـــــــكرا نهاية,,

 
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