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3 years ago

Write short on differnce engine and analytical engine

Computers and Technology

2 answers:

Pachacha [2.7K]3 years ago

4 0

Answer:

Difference engines are strictly calculators. ... The Analytical Engine is much more than a calculator and marks the progression from the mechanized arithmetic of calculation to fully-fledged general-purpose computation. There were at least three designs at different stages of the evolution of his ideas.

Explanation:

hope it help ✌️

d1i1m1o1n [39]3 years ago

3 0

Analytical engine Is a fully controlled general-purpose computer which includes automatic mechanical digital computer into it.

...

Difference between Difference Engine and Analytical Engine :

Analytical Engine Difference Engine

It is an intendedly controlled machine. It is created in a way to tabulate the mechanical functions.

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3 years ago

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Marta_Voda [28]

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4 years ago

Write a program that simulates flipping a coin repeatedly and continues until three consecutive heads. are tossed. At that point

quester [9]

Answer and Explanation:

#include <iostream>

#include <string>

#include <time.h>

#include <vector>

using namespace std;

//Takes user info

int user_info(string *name,char *gender){

char G;

cout<<"What is your name?: ";

getline(cin, *name);

cout<<"What is your gender(m/f):";

cin>>G;

cout<<endl;

*gender = tolower(G);

return 0;

}

//Toss coin(part 2)

bool coin_toss(double seed){

double r;

r = (double)seed/(double)RAND_MAX;

//cout<<r;

if (r<0.5) return true;

return false;

}

//check results

float toss_result(vector<char> v,int *h){

int num_heads=0;

int num_toss = v.size();

*h = 0;

for(int i=0;i<num_toss;i++){

if(v[i]=='h'){num_heads++;(*h)++;}

}

return (float)num_heads/(float)num_toss;

}

void show_result(int total_num,int head_num,float ratio){

cout<<"it took you "<<total_num<<" tosses to get 3 heads in a row"<<endl;

cout<<"on average you flipped heads "<<(ratio*100)<<"% of the time"<<endl;

}

int main()

{

string name;

char gender;

string K; //Mr or Mrs

cout<<"Welcome to coin toss! Get 3 heads in row to win!"<<endl;

//part 1

user_info(&name,&gender);

if(gender == 'f') K = "Mrs.";

else K = "Mr.";

cout<<"Try to get 3 heads in a row. Good luck "<<K<<name<<"!"<<endl;

char dummy = getchar();

//part 2

int num_toss;

vector<char> toss_results;//store toss results

bool result;//result of toss

srand(time(0));

while(true){

//cout<<rand()<<endl;

result = coin_toss(rand());

cout<<"Press <enter> to flip"<<endl;

while (1)

{

if ('\n' == getchar())

break;

}

if(result) {toss_results.push_back('h');cout<<"HEAD"<<endl;}

else {toss_results.push_back('t');cout<<"TAIL"<<endl;}

num_toss = toss_results.size();

if(num_toss>=3){

if ((toss_results[num_toss-1] == 'h')&&(toss_results[num_toss-2] == 'h')&&(toss_results[num_toss-3] == 'h')){

break;

}

//part 3

float ratio_head;

int num_of_heads;

ratio_head = toss_result(toss_results,&num_of_heads);

//part 4

show_result(toss_results.size(),num_of_heads,ratio_head);

return 0;

}

8 0

3 years ago

four quantum numbers that could represent the last electron added (using the Aufbau principle) to the Argon atom. A n = 2, l =0,

marshall27 [118]

Answer:

n = 3

$l$ = 1

$m_l$ = 1

$m_s=+1/2$

Explanation:

Argon atom has atomic number 18. Then, it has 18 protons and 18 electrons.

To determine the quantum numbers you must do the electron configuration.

Aufbau's principle is a mnemonic rule to remember the rank of the orbitals in increasing order of energy.

The rank of energy is:

1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s < 4d < 5p < 6s < 4f < 5d < 6p < 7s < 5f < 6d < 7d

You must fill the orbitals in order until you have 18 electrons:

1s² 2s² 2p⁶ 3s² 3p⁶ : 2 + 2 + 6 + 2 + 6 = 18 electrons.

The last electron is in the 3p orbital.

The quantum numbers associated with the 3p orbitals are:

n = 3

$l$ = 1 (orbitals s correspond to $l$ = 0, orbitals p correspond to $l$ = 1, orbitals d, correspond to $l$ = 2 , and orbitals f correspond to $l$ = 3)

$m_l$ can be -1, 0, or 1 (from - $l$ to + $l$ )

the fourth quantum number, the spin can be +1/2 or -1/2

Thus, the six possibilities for the last six electrons are:

(3, 1, -1 +1/2)
(3, 1, -1, -1/2)
(3, 1, 0, +1/2)
(3, 1, 0, -1/2)
(3, 1, 1, +1/2)
(3, 1, 1, -1/2)

Hence, the correct choice is:

n = 3

$l$ = 1

$m_l$ = 1

$m_s=+1/2$

5 0

3 years ago

____________________ memory is the ability to add RAM without shutting down the computer or operating system.

Liula [17]

Answer:

Hot-add

Explanation:

The computer system is a electronic device that is used to perform computational task on input data for a pre-dertermined result. The components of the computer is divided into hardware and software components.

The hardware components are the physical parts of the computer system, while the software component are the instructions that runs the system.

The RAM is a physical component that provides memory for running current activities on the monitor screen. When it is removed or faulty, the screen goes blank. To add more RAM memory to the system while the system is on, activate the hot-add memory settings.

4 0

3 years ago

Write short on differnce engine and analytical engine​

Write short on differnce engine and analytical engine