Computers and Technology, 10.03.2020 08:04 deelashasharma
Let ∑ = {a, b}. Write a Context-Free Grammar for the language consisting of strings that have n copies of the letter a followed by n+1 copies of the letter b, where n > 0. i. e. L = {a n b n+1 , n > 0}
Answers: 1
Computers and Technology, 22.06.2019 11:00, sjackson0625p8w1a0
Which action is good business etiquette? a. switching your cell phone off before you enter a meeting b. keeping your cell phone on low volume before you enter a meeting c. setting a pleasant ring tone on your cell phone before you enter a meeting d. setting a standard ringtone on your cell phone before you enter a meeting
Answers: 1
Computers and Technology, 23.06.2019 17:30, Annlee23
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, 2ă—, 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 1.5ă— 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
Computers and Technology, 23.06.2019 21:20, nathanfletcher
In microsoft word, when you highlight existing text you want to replace, you're in a. advanced mode. b. automatic mode. c. basic mode. d. typeover mode
Answers: 1
Computers and Technology, 24.06.2019 07:00, Dkhaurithompson
Selective is defined as paying attention to messages that are consistent with one’s attitudes and beliefs and ignoring messages that are inconsistent.
Answers: 1
Let ∑ = {a, b}. Write a Context-Free Grammar for the language consisting of strings that have n copi...
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