Answer:
The answer is letter B.
Explanation:
The option that will most effectively
reduce her or his radiation exposure to that source is Standing 8 ft from the source for 2 minutes.
Answer:
The old cathode Ray tube technology was replaced by the less bulkier and more modern liquid crystal display and LED technology.
Explanation:
The old cathode ray tube uses the principle of electrical discharge in gas. Electrons moving through the gas, and deflected by magnetic fields, strike the screen, producing images and a small amount of X-rays. The tube required more space, and consumed more electricity, and was very bulky. The modern technologies are more compact and consume less power, and can been designed to be sleek and less bulky.
In computers we use: decimal constantly, hexadecimal daily, octal weekly and binary monthly. Decimal is base 10, hexadecimal is base 16, octal is base 8 and binary is base 2.
To convert binary to decimal, simply add the magnitudes of the digits that are set.
