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Alla [95]
3 years ago
6

The official record of a high school student's performance is called:

Computers and Technology
1 answer:
Ivanshal [37]3 years ago
5 0
The answer is transcript. When you apply for colleges and they want to see your high school records, they simply ask for your transcript. Hope I helped :)
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software that instructs the computer how to run applications and controls the display/keyboard is know as the___.
kakasveta [241]
The answer is the alu arithmetic logic unit.
8 0
3 years ago
Should spreadsheets be used to capture the results of a science experiment?<br><br> YES<br> NO
Lyrx [107]

Answer:

Yes

Explanation:

Spreadsheets should be used to capture the results of science experiments because they are good for sorting data. They make results easier and information easier to see and use.

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2 years ago
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In 2-3 sentences, explain to another student why shortcuts are beneficial. Include details about shortcuts that you have used.
Kipish [7]

Answer:

Explanation:

Keyboard Shortcut Examples

crtl + esc = open start menu

alt + tab = switch apps

ctrl + z = undo

Shortcuts basically help everything occur in a quicker form . They help make the task easier .

3 0
2 years ago
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Create a Binary Expressions Tree Class and create a menu driven programyour program should be able to read multiple expressions
solong [7]

Answer:

Explanation:

Program:

#include<iostream>

#include <bits/stdc++.h>

using namespace std;

//check for operator

bool isOperator(char c)

{

switch(c)

{

case '+': case '-': case '/': case '*': case '^':

return true;

}

return false;

}

//Converter class

class Converter

{

private:

string str;

public:

//constructor

Converter(string s):str(s){}

//convert from infix to postfix expression

string toPostFix(string str)

{

stack <char> as;

int i, pre1, pre2;

string result="";

as.push('(');

str = str + ")";

for (i = 0; i < str.size(); i++)

{

char ch = str[i];

if(ch==' ') continue;

if (ch == '(')

as.push(ch);

else if (ch == ')')

{

while (as.size() != 0 && as.top() != '('){

result = result + as.top() + " ";

as.pop();

}

as.pop();

}

else if(isOperator(ch))

{

while (as.size() != 0 && as.top() != '(')

{

pre1 = precedence(ch);

pre2 = precedence(as.top());

if (pre2 >= pre1){

result = result + as.top() + " ";

as.pop();

}

else break;

}

as.push(ch);

}

else

{

result = result + ch;

}

}

while(as.size() != 0 && as.top() != '(') {

result += as.top() + " ";

as.pop();

}

return result;

}

//return the precedence of an operator

int precedence(char ch)

{

int choice = 0;

switch (ch) {

case '+':

choice = 0;

break;

case '-':

choice = 0;

break;

case '*':

choice = 1;

break;

case '/':

choice = 1;

break;

case '^':

choice = 2;

default:

choice = -999;

}

return choice;

}

};

//Node class

class Node

{

public:

string element;

Node *leftChild;

Node *rightChild;

//constructors

Node (string s):element(s),leftChild(nullptr),rightChild(nullptr) {}

Node (string s, Node* l, Node* r):element(s),leftChild(l),rightChild(r) {}

};

//ExpressionTree class

class ExpressionTree

{

public:

//expression tree construction

Node* covert(string postfix)

{

stack <Node*> stk;

Node *t = nullptr;

for(int i=0; i<postfix.size(); i++)

{

if(postfix[i]==' ') continue;

string s(1, postfix[i]);

t = new Node(s);

if(!isOperator(postfix[i]))

{

stk.push(t);

}

else

{

Node *r = nullptr, *l = nullptr;

if(!stk.empty()){

r = stk.top();

stk.pop();

}

if(!stk.empty()){

l = stk.top();

stk.pop();

}

t->leftChild = l;

t->rightChild = r;

stk.push(t);

}

}

return stk.top();

}

//inorder traversal

void infix(Node *root)

{

if(root!=nullptr)

{

cout<< "(";

infix(root->leftChild);

cout<<root->element;

infix(root->rightChild);

cout<<")";

}

}

//postorder traversal

void postfix(Node *root)

{

if(root!=nullptr)

{

postfix(root->leftChild);

postfix(root->rightChild);

cout << root->element << " ";

}

}

//preorder traversal

void prefix(Node *root)

{

if(root!=nullptr)

{

cout<< root->element << " ";

prefix(root->leftChild);

prefix(root->rightChild);

}

}

};

//main method

int main()

{

string infix;

cout<<"Enter the expression: ";

cin >> infix;

Converter conv(infix);

string postfix = conv.toPostFix(infix);

cout<<"Postfix Expression: " << postfix<<endl;

if(postfix == "")

{

cout<<"Invalid expression";

return 1;

}

ExpressionTree etree;

Node *root = etree.covert(postfix);

cout<<"Infix: ";

etree.infix(root);

cout<<endl;

cout<<"Prefix: ";

etree.prefix(root);

cout<<endl;

cout<< "Postfix: ";

etree.postfix(root);

cout<<endl;

return 0;

}

3 0
3 years ago
Ramesh goes to market for buying some fruits and vegetables .He
3241004551 [841]

Answer:

The algorithm is as follows

1. Start

2. Input Apple unit price

3. Input Mango unit price

4. input Tomato unit price

5. Total = Apple Price * 2 + Mango Price * 2 + Tomato Price

6. Display Total

7. End

Explanation:

Start the algorithm

1. Start

The next three lines gets input for the price of each fruit

<em>2. Input Apple unit price</em>

<em>3. Input Mango unit price</em>

<em>4. input Tomato unit price</em>

This calculates the total price

5. Total = Apple Price * 2 + Mango Price * 2 + Tomato Price

This displays the total price

6. Display Total

Stop the algorithm

7. End

5 0
3 years ago
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