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3 years ago

In an event, it is when an object moves from a prior state to a subsequent state.

Computers and Technology

1 answer:

mel-nik [20]3 years ago

8 0

Answer:

a. True

Explanation:

Objects suffer inertia before a transition is achieved. Transition is the movement of an object from one state to another. But, this transition does not happen on its own. It is usually triggered by an event or series of events. This means that when the object moves from its prior state to a subsequent state, an event must have occurred to trigger the transition. Objects, therefore, depend on events or an outside force to remove their inertia. They are usually in a state of inertia until an outside stimulus stimulates them with some momentum.

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Write the definition of a function named count that reads all the strings remaining to be read in standard input and returns the

spayn [35]

Answer:

The function written in C++

int str(string word) {

int count = 1;

for(int i =0; i<word.length();i++) {

if(word[i] == ' ') {

count++;

}

return count;

}

Explanation:

This line defines the function

int str(string word) {

This line initializes count to 1

int count = 1;

This line iterates through the input string

for(int i =0; i<word.length();i++) {

This line checks for blank space

if(word[i] == ' ') {

Variable count is incremented to indicate a word count

count++;

}

return count;

}

See attachment for full program

Download cpp

8 0

3 years ago

It takes 2 seconds to read or write one block from/to disk and it also takes 1 second of CPU time to merge one block of records.

Alexxx [7]

Answer:

Part a: For optimal 4-way merging, initiate with one dummy run of size 0 and merge this with the 3 smallest runs. Than merge the result to the remaining 3 runs to get a merged run of length 6000 records.

Part b: The optimal 4-way merging takes about 249 seconds.

Explanation:

The complete question is missing while searching for the question online, a similar question is found which is solved as below:

Part a

For optimal 4-way merging, we need one dummy run with size 0.

Merge 4 runs with size 0, 500, 800, and 1000 to produce a run with a run length of 2300. The new run length is calculated as follows $L_{mrg}=L_0+L_1+L_2+L_3=0+500+800+1000=2300$
Merge the run as made in step 1 with the remaining 3 runs bearing length 1000, 1200, 1500. The merged run length is 6000 and is calculated as follows

$L_{merged}=L_{mrg}+L_4+L_5+L_6=2300+1000+1200+1500=6000$

The resulting run has length 6000 records.

Part b

For step 1

Input Output Time

Input Output Time is given as

$T_{I.O}=\frac{L_{run}}{Size_{block}} \times Time_{I/O \, per\, block}$

Here

L_run is 2300 for step 01
Size_block is 100 as given
Time_{I/O per block} is 2 sec

$T_{I.O}=\frac{L_{run}}{Size_{block}} \times Time_{I/O \, per\, block}\\T_{I.O}=\frac{2300}{100} \times 2 sec\\T_{I.O}=46 sec$

So the input/output time is 46 seconds for step 01.

CPU Time

CPU Time is given as

$T_{CPU}=\frac{L_{run}}{Size_{block}} \times Time_{CPU \, per\, block}$

Here

L_run is 2300 for step 01
Size_block is 100 as given
Time_{CPU per block} is 1 sec

$T_{CPU}=\frac{L_{run}}{Size_{block}} \times Time_{CPU \, per\, block}\\T_{CPU}=\frac{2300}{100} \times 1 sec\\T_{CPU}=23 sec$

So the CPU time is 23 seconds for step 01.

Total time in step 01

$T_{step-01}=T_{I.O}+T_{CPU}\\T_{step-01}=46+23\\T_{step-01}=69 sec\\$

Total time in step 01 is 69 seconds.

For step 2

Input Output Time

Input Output Time is given as

$T_{I.O}=\frac{L_{run}}{Size_{block}} \times Time_{I/O \, per\, block}$

Here

L_run is 6000 for step 02
Size_block is 100 as given
Time_{I/O per block} is 2 sec

$T_{I.O}=\frac{L_{run}}{Size_{block}} \times Time_{I/O \, per\, block}\\T_{I.O}=\frac{6000}{100} \times 2 sec\\T_{I.O}=120 sec$

So the input/output time is 120 seconds for step 02.

CPU Time

CPU Time is given as

$T_{CPU}=\frac{L_{run}}{Size_{block}} \times Time_{CPU \, per\, block}$

Here

L_run is 6000 for step 02
Size_block is 100 as given
Time_{CPU per block} is 1 sec

$T_{CPU}=\frac{L_{run}}{Size_{block}} \times Time_{CPU \, per\, block}\\T_{CPU}=\frac{6000}{100} \times 1 sec\\T_{CPU}=60 sec$

So the CPU time is 60 seconds for step 02.

Total time in step 02

$T_{step-02}=T_{I.O}+T_{CPU}\\T_{step-02}=120+60\\T_{step-02}=180 sec\\$

Total time in step 02 is 180 seconds

Merging Time (Total)

Now the total time for merging is given as

$T_{merge}=T_{step-01}+T_{step-02}\\T_{merge}=69+180\\T_{merge}=249 sec\\$

Total time in merging is 249 seconds seconds

5 0

4 years ago

Go to the Subset tab, which gives a subset of randomly chosen data from the first tab. Go to your Math Tools and open the Graph

Karo-lina-s [1.5K]

A linear regression model is used to show the relationship between variables on a scatter plot

The equation of the linear regression model is: $\^y = 1.56\^x + 1.29$ and the correlation coefficient is 0.8034

<h3>How to determine the equation of the linear regression</h3>

The question is incomplete. So, I will make use of a dataset that has the following calculation summary (from a graphing calculator)

Sum of X = 45
Sum of Y = 83
Mean X = 4.5
Mean Y = 8.3
Sum of squares (SSX) = 82.5
Sum of products (SP) = 128.5
The value of R is 0.8034.

The equation of the linear regression model is:

$\^y = 1.56\^x + 1.29$

See attachment for the scatter plot

Read more about linear regression model at:

brainly.com/question/26347582

5 0

3 years ago

The question is provided in the image below.

Vladimir [108]

Answer: b

Explanation:

3 0

2 years ago

Using ajax technologies and apis, websites and applications can pull information from a variety of sources in order to create __

Mamont248 [21]

Answer:Mashups

Explanation:mashup has several meanings. it used to describe songs that meshed two different styles of music into one song.

It is also used to describe videos that have been compiled using different clips from multiple sources.

mashup also describes a Web application that combines multiple services into a single application.

3 0

3 years ago