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Computers and Technology, 31.07.2019 22:50 babyskitt
What command limits structural changes, such as adding, deleting, or moving sheets, that can be made in a workbook?
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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?
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Computers and Technology, 25.06.2019 10:30
Which of the following if statements uses a boolean condition to test: "if the item is on sale, you can buy it"? a: if( onsale < = "yes" ): b: if( onsale > = "yes" ): c: if( onsale == "yes" ): d: if( onsale ! = "yes" ):
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Computers and Technology, 25.06.2019 11:00
What components of nonverbal communication are depicted in these photographs? a. clothing b. artifacts c. emblems d. masking
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Computers and Technology, 25.06.2019 20:30
Write the definition of a class counter containing: an instance variable named counter of type int. an instance variable named counterid of type int. a static int variable ncounters which is initialized to zero. a constructor that takes an int argument and assigns its value to counter. it also adds one to the static variable ncounters and assigns the result to the instance variable counterid. a method named increment. it does not take parameters or return a value; it just adds one to the instance variable counter. a method named decrement that also doesn't take parameters or return a value; it just subtracts one from the counter. a method named getvalue. it returns the value of the instance variable counter. a method named getcounterid: it returns the value of the instance variable counterid.
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What command limits structural changes, such as adding, deleting, or moving sheets, that can be made...
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