Almost all physicians complete at least 4 years of undergraduate school, 4 years of medical school, and, depending on their specialty, 3 to 7 years in internship and residency programs. Most applicants to medical school have at least a bachelor's degree, and many have advanced degrees.
/bi:t/ (B) A component in the machine data hierarchy larger than a bit and usually smaller than a word; now nearly always eight bits and the smallest addressable unit of storage. A byte typically holds one character. A byte may be 9 bits on 36-bit computers.
RAM is slower than even the slowest CPU cache, but it has much much more capacity (commonly 4GB to 16, or 32 or even 64 GB in commodity PCs). Upto this point in the memory hierarchy, the memory is volatile, meaning that if you switch off your computer you lose all the data.