Computers and Technology, 12.07.2019 15:00 grantjaylynn
Although brute force and dictionary attacks were once the primary tools used by attackers to crack an encrypted password, today attackers usually prefer
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Computers and Technology, 22.06.2019 21:00
Simon says is a memory game where "simon" outputs a sequence of 10 characters (r, g, b, y) and the user must repeat the sequence. create a for loop that compares the two strings starting from index 0. for each match, add one point to userscore. upon a mismatch, exit the loop using a break statement. assume simonpattern and userpattern are always the same length. ex: the following patterns yield a userscore of 4: simonpattern: rrgbryybgy userpattern: rrgbbrybgy
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Computers and Technology, 23.06.2019 05:00
Which best explains why a digital leader would join a society specializing in technology
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Computers and Technology, 23.06.2019 11:00
This chapter lists many ways in which becoming computer literate is beneficial. think about what your life will be like once youβre started in your career. what areas of computing will be most important for you to understand? how would an understanding of computer hardware and software you in working from home, working with groups in other countries and contributing your talents.
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Computers and Technology, 23.06.2019 17:30
When making changes to optimize part of a processor, it is often the case that speeding up one type of instruction comes at the cost of slowing down something else. for example, if we put in a complicated fast floating-point unit, that takes space, and something might have to be moved farther away from the middle to accommodate it, adding an extra cycle in delay to reach that unit. the basic amdahl's law equation does not take into account this trade-off. a. if the new fast floating-point unit speeds up floating-point operations by, on average, 2Δβ, and floating-point operations take 20% of the original program's execution time, what is the overall speedup (ignoring the penalty to any other instructions)? b. now assume that speeding up the floating-point unit slowed down data cache accesses, resulting in a 1.5Δβ slowdown (or 2/3 speedup). data cache accesses consume 10% of the execution time. what is the overall speedup now? c. after implementing the new floating-point operations, what percentage of execution time is spent on floating-point operations? what percentage is spent on data cache accesses?
Answers: 2
Although brute force and dictionary attacks were once the primary tools used by attackers to crack a...
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