Answer:
a. Every year or two, the capacities of computers have approximately doubled without any increase in price.
Explanation:
Gordon E. Moore is the co-founder of the organization named Intel Corporation.
He observed that, in every two years, the number of transistors used in the integrated chips installed in the computers are doubled but the cost of the computers are halved or hardly remains the same. His observation is known as Moore's law.
Hence the correct option is (a).
I believe the answer is: <span>motion aftereffects
</span><span>motion aftereffects refers to a visual illusions that make a non-moving stimulus appear to no move in opposite direction.
Motion aftereffects is commonly caused when we fixated on a moving objects with a stationary eyes for a long period of time.</span>
Central Africa
Extending and sustaining water has remained to be a challenge. Health complications and even death have risen from sanitation and hygiene problems in Africa in general. Central Africa particularly needs urgent attention with the highest under-five mortality rate. Population growth, rural-urban migration, economic poverty all contribute to the water crisis in the region.