English Wikipedia - The Free Encyclopedia. In computer science, a thread of execution is the smallest sequence of programmed instructions that can be managed independently by a scheduler, which is typically a part of the operating system.
Deserts cover more than one fifth of the Earth's land, and they are found on every continent. A place that receives less than 10 inches (25 centimeters) of rain per year is considered a desert. Deserts are part of a wider classification of regions called drylands..
Hot deserts are found in North America (e.g. Mojave), South Asia, South & Central America, Africa and Australia. They are further subdivided into Hot Dry desert, and Semi-arid desert. Hot Dry deserts are characterized by: 1  Generally warm seasons throughout the year.2  Very little or no rainfall during winter. 3  Extreme variation in temperature between night (-18ÂºC) and day (+49ÂºC).hey are further subdivided into Hot Dry desert, and Semi-arid desert. Hot Dry deserts are characterized by: 1  Generally warm seasons throughout the year. 2  Very little or no rainfall during winter.