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COMPUTER R.A.M Vs HUMAN R.A.M
In less than two decades the desktop computer has revolutionized the workplace. Today it is commonplace to compare the human brain to a computer and the human mind to a programme running on the computer. If we take this view literally then just as we can ask how many Megabyte of RAM a pc has and how many mega bytes of memory the human brain has. Actually about 1020 bits of neural-impulses are conducted in the brain during a lifetime Estimates of number of each synapses have been made in the range from 1013 to 1015 with corresponding estimates of memory capacity. (Scheffer used the ‘bit’ as a unit of information. The more familiar “byte” of computer lingo is eight bits.)
The Guinness Book of World records claims that one man memorized 16,000 page of Buddhist canonical texts that’s only about 50 million bits of data A CD ROM contains a hundred-fold more information than that. How many of those bits and bytes can you bring into your conscious mind? Would you believe about 40 or 50 bits/sec. The eye sends 10 million bits of visual information to brain every sec, skin a million, ear & nose about 10,000 each taste bud about a 1000.
We know that computers can play chess and recognize faces. Dose that make them intelligent? How do computers perform these tasks differently from human? And could computers eventually have feelings about their role in our lives. They both operate electrically to process information. Neurons are input/output devices like transistors, but much more complex.
The amount of synapses in the brain would be analogous to the RAM and hard drive of a computer. And the nerve conduction speed and average evoked potential in the brain would be analogous to the processor speed of a computer thus. It make sense that as Nerve conduction speed and average evoked potential increases, so does 1Q. In a similar fasion as processor speed increases in a computer, the computer is said to be more intelligent. Second a large brain means more synapses, which means more information can be stored in the larger brain and also more brain “RAM”. This is similar to a computer, the greater the RAM and the greater the hared drive capacity, the more intelligent the computer is said to be.
IS THE COMPUTER THE PROBLEM?
Experts say there’s nothing inherently harmful about desktop computers what’s unhealthy is the way we use them.
Computer users must make a conscious effort to take micro breaks by stretching, glancing away from the screen, sipping water to getting up from the desk.
What is needed is proper, comfortable posture. Rearrange your chair, desk, computer monitor, keyboard and pointing device so that your feet are flat on the floor with your elbows, hip joints, and knees bent at right angles. Position the mouse so that your wrist stays on the same plane as your elbow and your shoulders are relaxed. Shift positions every 15 minute or so to avoid circulatory problems. Avoid bifocal eyeglasses, tilting your head back to read through them makes your neck sore, instead keep handy a pair of computer glasses whose lenses are made from your reading prescription.
Carpal tunnel syndrome (CTS) is the most common computer-related repetitive stress injury. Constant typing especially with the hands arched over the keyboard in a “praying mantis” position, forces tendons within the narrow tunnel formed by the wrist bones (carpals) and transverse ligaments to swell. This swelling squeezes the median nerve causing pain and numbness in the wrist and palm and tingling in the thumb and forefinger.
Reading from computer screens fosters near sightedness. Three-quarters of computer users experience what the Canadian Association of Optometrists calls computer vision syndrome (CVS), symptoms may include.
· Blurred and sometimes double vision.
· Watery, irritated, or dry eyes
· Sensitivity to light
· Aching eyelids or forehead
· Temporary nearsightedness, characterized by an inability to focus on distant objects after a prolonged computer session.
Improper room lighting is one cause of CVS. Minor, uncorrected eye defects can also contribute to the discomfort. Fortunately, proper eyeglasses, adjustments in the work environment and good work habits can prevent CVS.
AVOIDING EYESTRAIN:
· Place a computer screen directly in front of you with the top at about eye level, at right angles to windows.
· Blink frequently
· Every half hour look at something 6 meters (20 feet) away.
In less than two decades the desktop computer has revolutionized the workplace. Today it is commonplace to compare the human brain to a computer and the human mind to a programme running on the computer. If we take this view literally then just as we can ask how many Megabyte of RAM a pc has and how many mega bytes of memory the human brain has. Actually about 1020 bits of neural-impulses are conducted in the brain during a lifetime Estimates of number of each synapses have been made in the range from 1013 to 1015 with corresponding estimates of memory capacity. (Scheffer used the ‘bit’ as a unit of information. The more familiar “byte” of computer lingo is eight bits.)
The Guinness Book of World records claims that one man memorized 16,000 page of Buddhist canonical texts that’s only about 50 million bits of data A CD ROM contains a hundred-fold more information than that. How many of those bits and bytes can you bring into your conscious mind? Would you believe about 40 or 50 bits/sec. The eye sends 10 million bits of visual information to brain every sec, skin a million, ear & nose about 10,000 each taste bud about a 1000.
We know that computers can play chess and recognize faces. Dose that make them intelligent? How do computers perform these tasks differently from human? And could computers eventually have feelings about their role in our lives. They both operate electrically to process information. Neurons are input/output devices like transistors, but much more complex.
The amount of synapses in the brain would be analogous to the RAM and hard drive of a computer. And the nerve conduction speed and average evoked potential in the brain would be analogous to the processor speed of a computer thus. It make sense that as Nerve conduction speed and average evoked potential increases, so does 1Q. In a similar fasion as processor speed increases in a computer, the computer is said to be more intelligent. Second a large brain means more synapses, which means more information can be stored in the larger brain and also more brain “RAM”. This is similar to a computer, the greater the RAM and the greater the hared drive capacity, the more intelligent the computer is said to be.
IS THE COMPUTER THE PROBLEM?
Experts say there’s nothing inherently harmful about desktop computers what’s unhealthy is the way we use them.
Computer users must make a conscious effort to take micro breaks by stretching, glancing away from the screen, sipping water to getting up from the desk.
What is needed is proper, comfortable posture. Rearrange your chair, desk, computer monitor, keyboard and pointing device so that your feet are flat on the floor with your elbows, hip joints, and knees bent at right angles. Position the mouse so that your wrist stays on the same plane as your elbow and your shoulders are relaxed. Shift positions every 15 minute or so to avoid circulatory problems. Avoid bifocal eyeglasses, tilting your head back to read through them makes your neck sore, instead keep handy a pair of computer glasses whose lenses are made from your reading prescription.
Carpal tunnel syndrome (CTS) is the most common computer-related repetitive stress injury. Constant typing especially with the hands arched over the keyboard in a “praying mantis” position, forces tendons within the narrow tunnel formed by the wrist bones (carpals) and transverse ligaments to swell. This swelling squeezes the median nerve causing pain and numbness in the wrist and palm and tingling in the thumb and forefinger.
Reading from computer screens fosters near sightedness. Three-quarters of computer users experience what the Canadian Association of Optometrists calls computer vision syndrome (CVS), symptoms may include.
· Blurred and sometimes double vision.
· Watery, irritated, or dry eyes
· Sensitivity to light
· Aching eyelids or forehead
· Temporary nearsightedness, characterized by an inability to focus on distant objects after a prolonged computer session.
Improper room lighting is one cause of CVS. Minor, uncorrected eye defects can also contribute to the discomfort. Fortunately, proper eyeglasses, adjustments in the work environment and good work habits can prevent CVS.
AVOIDING EYESTRAIN:
· Place a computer screen directly in front of you with the top at about eye level, at right angles to windows.
· Blink frequently
· Every half hour look at something 6 meters (20 feet) away.
