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iren2701 [21]
1 year ago
9

Which sources could provide reliable evidence for your claim? Check all that apply. a step-by-step guide listed at www.gettingto

college.com an article from the New York Times a book by an educational researcher and professor a report from the US Department of Education at www.ed.gov a blog post written by a college admissions director a high school student’s research report
Computers and Technology
2 answers:
kozerog [31]1 year ago
7 0
The correct answer is:
<span>an article from the New York Times</span>a book by an educational researcher and  professor<span>a report from the US Department of Education at www.ed.gov</span>
tigry1 [53]1 year ago
7 0

<em>Reliable</em>, in the context of evidence, usually implies the fact that a source can be trusted to support the idea or argument that an author is trying to make.

Not all information available online or offline are reliable, and from the options provided, sources that generally can be used as reliable evidence would be:  an article from the New York Times, a book by an educational researcher and professor, and a report from the US Department of Education.

You might be interested in
A common fallacy is to use MIPS (millions of instructions per second) to compare the performance of two different processors, an
yulyashka [42]

The question is incomplete. It can be found in search engines. However, kindly find the complete question below:

Question

Cites as a pitfall the utilization of a subset of the performance equation as a performance metric. To illustrate this, consider the following two processors. P1 has a clock rate of 4 GHz, average CPI of 0.9, and requires the execution of 5.0E9 instructions. P2 has a clock rate of 3 GHz, an average CPI of 0.75, and requires the execution of 1.0E9 instructions. 1. One usual fallacy is to consider the computer with the largest clock rate as having the largest performance. Check if this is true for P1 and P2. 2. Another fallacy is to consider that the processor executing the largest number of instructions will need a larger CPU time. Considering that processor P1 is executing a sequence of 1.0E9 instructions and that the CPI of processors P1 and P2 do not change, determine the number of instructions that P2 can execute in the same time that P1 needs to execute 1.0E9 instructions. 3. A common fallacy is to use MIPS (millions of instructions per second) to compare the performance of two different processors, and consider that the processor with the largest MIPS has the largest performance. Check if this is true for P1 and P2. 4. Another common performance figure is MFLOPS (millions of floating-point operations per second), defined as MFLOPS = No. FP operations / (execution time x 1E6) but this figure has the same problems as MIPS. Assume that 40% of the instructions executed on both P1 and P2 are floating-point instructions. Find the MFLOPS figures for the programs.

Answer:

(1) We will use the formula:

                                       CPU time = number of instructions x CPI / Clock rate

So, using the 1 Ghz = 10⁹ Hz, we get that

CPU time₁ = 5 x 10⁹ x 0.9 / 4 Gh

                    = 4.5 x 10⁹ / 4 x 10⁹Hz = 1.125 s

and,

CPU time₂ = 1 x  10⁹ x 0.75 / 3 Ghz

                  = 0.75 x 10⁹ / 3 x 10⁹ Hz = 0.25 s

So, P2 is actually a lot faster than P1 since CPU₂ is less than CPU₁

(2)

     Find the CPU time of P1 using (*)

CPU time₁ = 10⁹ x 0.9 / 4 Ghz

                = 0.9 x 10⁹ / 4 x 10⁹ Hz = 0.225 s

So, we need to find the number of instructions₂ such that  CPU time₂ = 0.225 s. This means that using (*) along with clock rate₂ = 3 Ghz and CPI₂ = 0.75

Therefore,   numbers of instruction₂ x 0.75 / 3 Ghz = 0.225 s

Hence, numbers of instructions₂ = 0.225 x 3 x  10⁹ / 0.75  = 9 x 10⁸

So, P1 can process more instructions than P2 in the same period of time.

(3)

We recall  that:

MIPS = Clock rate / CPI X 10⁶

  So, MIPS₁ = 4GHZ / 0.9 X 10⁶ = 4 X 10⁹HZ / 0.9 X 10⁶ = 4444

        MIPS₂ = 3GHZ / 0.75 X 10⁶ = 3 x 10⁹ / 0.75 X 10⁶ = 4000

So, P1 has the bigger MIPS

(4)

  We now recall that:

MFLOPS = FLOPS Instructions / time x 10⁶

              = 0.4 x instructions / time x 10⁶ = 0.4 MIPS

Therefore,

                  MFLOPS₁ = 1777.6

                  MFLOPS₂ = 1600

Again, P1 has the bigger MFLOPS

3 0
1 year ago
Write a python 3 function named words_in_both that takes two strings as parameters and returns a set of only those words that ap
s344n2d4d5 [400]

Answer:

def words_in_both(a, b):

 a1 = set(a.lower().split())

 b1 = set(b.lower().split())

 return a1.intersection(b1)

common_words = words_in_both("She is a jack of all trades", 'Jack was tallest of all')

print(common_words)

Explanation:

Output:

{'all', 'of', 'jack'}

5 0
2 years ago
Read 2 more answers
In the context of the components of a typical expert system, _____ is a software package with manual or automated methods for ac
Pani-rosa [81]

Answer:

knowledge acquisition facility

Explanation:

In the context of the components of a typical expert system, Knowledge acquisition facility is defined as that component of an expert system that is responsible for providing an effective and efficient medium for collecting and incorporating relevant information such as data, new rules, relationships and facts used by the expert system.

6 0
1 year ago
5. Assume a computer has a physical memory organized into 64-bit words. Give the word address and offset within the word for eac
spin [16.1K]

Answer:

see explaination and attachment

Explanation:

5.

To convert any byte address, By, to word address, Wo, first divide By by No, the no. of bytes/word, and ignores the remainder. To calculate a byte offset, O, in word, calculate the remainder of By divided by No.

i) 0 : word address = 0/8 = 0 and offset, O = 0 mod 8 = 0

ii) 9 : word address = 9/8 = 1 and offset, O = 9 mod 8 = 1

iii) 27 : word address = 27/8 = 3 and offset, O = 27 mod 8 = 3

iv) 31 : word address = 31/8 = 3 and offset, O = 31 mod 8 = 7

v) 120 : word address = 120/8 = 15 and offset, O = 120 mod 8 = 0

vi) 256 :word address = 256/8 = 32 and offset, O = 256 mod 8 = 0

6. see attachment for the python programming screen shot and output

4 0
2 years ago
LAB: Miles to track laps. (PLEASE CODE IN PYTHON)
bekas [8.4K]

Answer:

The program in python is as follows:

def miles_to_laps(user_miles):

     return (user_miles/0.25)

mile = float(input("Number of Miles: "))

print("Number of laps: ",end="")

print('{:.2f}'.format(miles_to_laps(mile)))

Explanation:

The first line defines the function miles_to_lap

def miles_to_laps(user_miles):

This line returns the equivalent number of laps

     return (user_miles/0.25)

The main method starts here

This line prompts user for input

mile = float(input("Number of Miles: "))

This line prints the string "Number of laps", without the quotes

print("Number of laps: ",end="")

This prints the equivalent number of laps to two decimal places

print('{:.2f}'.format(miles_to_laps(mile)))

3 0
2 years ago
Read 2 more answers
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