While there are a number of operating systems on the market today, perhaps the most effective one for online gaming is Windows 7, as it supports high-quality graphics rendering and effective use of system resources.
Answer from Ted Lowenkopf, M.D. , medical director of Providence Stroke Center: Yes, you can have a stroke and not know it. A stroke's effects can be undetectable if the stroke is small or if the tissue damaged does not serve a critical function. Evidence of the stroke would show on a CT scan or an MRI of the brain, but it might not produce symptoms. But you really may be asking if a stroke can occur without your realizing, at the time, that it's happening â such as when you are asleep or when the effects are minor. Letâs look at those two scenarios separately.
Magnetic resonance imaging (MRI) is a noninvasive medical test that physicians use to diagnose and treat medical conditions. MRI uses a powerful magnetic field, radio frequency pulses and a computer to produce detailed pictures of organs, soft tissues, bone and virtually all other internal body structures.MRI does not use ionizing radiation (x-rays).enefits. 1  MRI is a noninvasive imaging technique that does not involve exposure to ionizing radiation. 2  MR images of the soft-tissue structures of the bodyâsuch as the heart, liver and many other organsâ is more likely in some instances to identify and accurately characterize diseases than other imaging methods.