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3 years ago

Question #2

Computers and Technology

2 answers:

KonstantinChe [14]3 years ago

5 0

Answer:

B. The result of computational thinking is a problem broken down into its parts to create a generalized model and possible solutions.

C. Computational thinking involves the techniques of decomposition, pattern recognition, abstraction, and algorithm development.

E. Computational thinking is a set of techniques used to help solve complex problems or understand complex systems.

Explanation:

I just got it correct.

Bezzdna [24]3 years ago

3 0

Computational thinking inclines invokes the techniques of decomposition, latter reconstruction, abstraction & algorithms development

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What is the difference between a pixel pitch and a dot pitch

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Answer:

is a measurement that defines the sharpness of a display. It measures the distance between the dots used to display the image on the screen. This distance is very small and is typically measured in fractions of millimeters. The smaller the dot pitch, the sharper the picture.

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How do you put a picture when you ask a question?

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Consider what fact-finding techniques you would use to identify the important facts needed to develop a database system. Please

8090 [49]

Answer:

Examples of Fact-finding techniques includes:

Prototyping
Questionnaires
Research and sites visit
Interviews

Explanation:

It is important to note that a database system is a tool that allows users to define, create, maintain, and control access to a collection of logically related data and description of these data, designed to meet the information needs of an organization.

Prototyping

Advantage: enables testing and understanding of the system in advance before final implementation of solution, while requiring less time for research.

Disadvantage: Training and Development cost consumes resources.

Research and site visit

Advantage : better time management if the problem has been researched upon before.

Disadvantage: appropriate permission is often needed before using research materials.

Questionnaires

Advantage: This technique is not expensive, and responses can be calculated and analysed quickly.

Disadvantage: There may be Incomplete answers received from users and body language of user cannot be observed.

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 Disadvantage: Interviewing is time consuming and costly.

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3 years ago

Write a function named isDivisible that takes two parameters

nirvana33 [79]

Answer:

def isdivisible():

maxint=input("Enter the Max Int")

int1=0

int2=0

int1=input("Enter the first Integer")

int2=input("Enter the second Integer")

tup1=(int1, int2)

print(tup1)

i = 1

for i in range(1, int(maxint)-1):

if int(tup1[0])%i==0 & int(tup1[1])%i==0:

print(i)

else:

continue

isdivisible()

1.2 Outputs

First test case:

Enter the Max Int6

Enter the first Integer2

Enter the second Integer8

('2', '8')

Second test case: returning empty list

Enter the Max Int2

Enter the first Integer13

Enter the second Integer27

('13', '27')

Test case 3:

Enter the Max Int4

Enter the first Integer8

Enter the second Integer10

('8', '10')

Explanation:

The program is as above, and the three test cases are also mentioned. We have created a tuple out of two input integer, and performed the output as required.

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3 years ago

In an experiment, the temperature of a liquid at 16.9 degrees Celsius is decreasing at a rate of 2.3

Damm [24]

Answer:

The number of minutes it will take for a liquid and a solid to reach the same temperature is 3 minutes.

Step-by-step explanation:

You know that the temperature of liquid at 16.9°C is decreasing at a rate of 2.3°C per minute. Then, the temperature of the liquid after t minutes, as its value decreases, will be the difference between the initial temperature of 16.9 ° C and the temperature after t minutes. So:

temperature of the liquid= 16.9°C - 2.3 °C/minute * t

On the other side, you know that the temperature of a solid at 30.7°C is decreasing at a rate of 6.9°C per minute. Then, the temperature of the solid after t minutes, as its value decreases, will be the difference between the initial temperature of 30.7°C and the temperature after t minutes. So:

temperature of the solid= 30.7°C - 6.9 °C/minute * t

You want to calculate the number of minutes it will take for a liquid and a solid to reach the same temperature. This is:

temperature of the liquid= temperature of the solid

16.9°C - 2.3 °C/minute * t= 30.7°C - 6.9 °C/minute * t

Solving:

- 2.3 °C/minute * t= 30.7°C - 6.9 °C/minute * t - 16.9°C

- 2.3 °C/minute * t + 6.9 °C/minute *t= 30.7°C - 16.9°C

4.6 °C/minute * t = 13.8 °C

t=3 minutes

So the number of minutes it will take for a liquid and a solid to reach the same temperature is 3 minutes.

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