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However, generally they are considerably slower (typically by a factor 2–10) than fast, non-cryptographic random number generators. These include: Stream ciphers. Popular choices are Salsa20 or ChaCha (often with the number of rounds reduced to 8 for speed), ISAAC, HC-128 and RC4. Block ciphers in counter mode.
Coupon collector's problem. In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more ...
The free-piston linear generator ( FPLG) uses chemical energy from fuel to drive magnets through a stator and converts this linear motion into electric energy. Because of its versatility, low weight and high efficiency, it can be used in a wide range of applications, although it is of special interest to the mobility industry as range extenders ...
Maps and electoral vote counts for the 2012 presidential election. Our latest estimate has Obama at 277 electoral votes and Romney at 191.
Even though the research is contradictory, one thing is clear: Carbohydrates trigger an inflammatory response, which has a negative impact on your health. But Brooks has one word for those who ...
34 bits are not encrypted: a 28-bit serial number, 4 bits of button information, and 2 status bits (repeat and low battery indicators). 32 bits are encrypted (the rolling code): 4 bits of button information, 2 bits of OVR (used to extend counter value), 10 bits of DISC (discrimination value; often the low 10 bits of the serial number), and a 16 ...
26 to 50%. 51 to 75%. More than 76% subsidized. SOURCE: Integrated Postsecondary Education Data System, University of Wisconsin-Madison (2014, 2013, 2012, 2011, 2010).
26 to 50%. 51 to 75%. More than 76% subsidized. SOURCE: Integrated Postsecondary Education Data System, SUNY at Binghamton (2014, 2013, 2012, 2011, 2010).