The difference between Pseudorandom and Random
When used as adjectives, pseudorandom means of a sequence of numbers, such that it has all the properties of a random sequence following some probability distribution (except true randomness), but is actually generated using a deterministic algorithm, whereas random means having unpredictable outcomes and, in the ideal case, all outcomes equally probable.
Random is also noun with the meaning: a roving motion.
check bellow for the other definitions of Pseudorandom and Random
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Pseudorandom as an adjective:
Of a sequence of numbers, such that it has all the properties of a random sequence following some probability distribution (except true randomness), but is actually generated using a deterministic algorithm.
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Random as a noun:
A roving motion; course without definite direction; lack of rule or method; chance.
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Random as a noun (obsolete):
Speed, full speed; impetuosity, force.
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Random as a noun (obsolete):
The full range of a bullet or other projectile; hence, the angle at which a weapon is tilted to allow the greatest range.
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Random as a noun (figuratively, colloquial):
An undefined, unknown or unimportant person; a person of no consequence.
Examples:
"The party was boring. It was full of randoms."
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Random as a noun (mining):
The direction of a rake-vein.
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Random as an adjective:
Having unpredictable outcomes and, in the ideal case, all outcomes equally probable; resulting from such selection; lacking statistical correlation.
Examples:
"The flip of a fair coin is purely random."
"The newspaper conducted a random sample of five hundred American teenagers."
"The results of the field survey look random by several different measures."
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Random as an adjective (mathematics):
Of or relating to probability distribution.
Examples:
"A toss of loaded dice is still random, though biased."
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Random as an adjective (computing):
Pseudorandom; mimicking the result of random selection.
Examples:
"The <tt>rand</tt> function generates a random number from a seed."
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Random as an adjective (somewhat colloquial):
Representative and undistinguished; typical and average; selected for no particular reason.
Examples:
"A random American off the street couldn't tell the difference."
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Random as an adjective (somewhat colloquial):
Apropos of nothing; lacking context; unexpected; having apparent lack of plan, cause or reason.
Examples:
"That was a completely random comment."
"The teacher's bartending story was interesting, but random."
"The narrative takes a random course."
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Random as an adjective (colloquial):
Characterized by or often saying random things; habitually using non sequiturs.
Examples:
"You're so random!"