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3 years ago

Why is the ketboard calledQWERTY

2 answers:

8 0

Because it goes in that order. The first letter on the keyboard is Q, and then W and so on. Usually there is a setting on phones to change that, so it goes in ABC order instead of the regular QWERTY order.

Serhud [2]3 years ago

5 0

I believe it is because the arrangement of the first six letters in the top alphabet row of a standard keyboard QWERTY goes way back. The layout was created in 1873 when Christopher Latham Sholes made improvements to his earlier typewriter models in order to design a quicker and more efficient typewriter for E. Remington and Sons.

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Write a C++ program to grade the answers to a true-false quiz given to students in a course. The quiz consists of 5 true-false q

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The quiz program is an illustration of loops and conditional statements

Loops are used to perform repetition
Conditional statements are used to make decisions

<h3>The quiz program</h3>

The quiz program written in C++, where comments are used to explain each action is as follows:

#include <iostream>

using namespace std;

int main(){

//This prints the instruction

cout<<"Enter T/t for True; F/f for False\n";

//This initializes the question

string questions[5] = { "Q1", "Q2", "Q3", "Q4", "Q5"};

//This initializes the correct options

char options[5] = { 'T','T','F','F','T'};

//This declares the user response

char opt;

//This initializes the score to 0

int score = 0;

//This loop is repeated 5 times

for (int i = 0; i < 5; i++){

//This prints the current question

cout << i + 1 <<". "<<questions[i]<<"\nAnswer: ";

//This gets the user response

cin>>opt;

//If the user response is correct

if(toupper(opt) == options[i]){

//The score is incremented by 2

score+=2;

}

//This prints the total score

cout<<"Score: "<<score;

return 0;

}