Certainly! Here is the transcribed content formatted for an educational website:---**Topic: Boolean Variables and Conditional Strings in C++ Programming****Objective:**Learn how to declare a Boolean variable and use conditional logic to validate string input based on specific criteria.**Task:**Declare a Boolean variable named `validPassword`. Use `validPassword` to output "Valid" if `passwordStr` contains at least 4 letters and the length of `passwordStr` is less than or equal to 10. Otherwise, output "Invalid".**Examples:**- If the input is `81v4b53Z2Y`, then the output is: ``` Valid ```- If the input is `wH4q1pK0bL2`, then the output is: ``` Invalid ```**Note:**- The `isalpha()` function checks if a character is a letter. It returns true if the character is a letter and false otherwise. - Example: `isalpha('a')` returns true. - Example: `isalpha('8')` returns false.**C++ Code Sample:**```cpp#include using namespace std;int main() { string passwordStr; /* Additional variable declarations go here */ getline(cin, passwordStr); /* Type your additional code here */ if (validPassword) { cout << "Valid" << endl; } else { cout << "Invalid" << endl; }}```This code snippet demonstrates how to declare a string variable, take user input, and apply conditional logic to determine if the input meets certain criteria. The placeholder comments indicate where additional code should be added to implement the logic for checking the validity of the password according to the task requirements.---This content should help learners understand the concept of Booleans and conditional logic in C++ programming.

Step-1) First, initialize a boolean variable validPass to false.Step-2) Then, taking a password as…

Declare a Boolean variable named valid Password. Use valid Password to output "Valid" if passwordStr contains at least 4 letters and passwordStr's length is less than or equal to 10. Otherwise, output "Invalid". Ex: If the input is 81v4b532YZ, then the output is: Valid Ex: If the input is wH4q1pkøbL2, then the output is: Invalid Note: isalpha() returns true if a character is a letter, and false otherwise. Ex: isalpha('a') returns true. isalpha('8') returns false. 1 #include 2 using namespace std; 3 4 int main() { 5 6 7 8 9 10 11 T 12 13 14 15 } 16 string passwordStr; /* Additional variable declarations go here */ getline (cin, passwordStr); /* Type your additional code here */ if (validPassword) { 869. cout << "Valid" << endl; else { 17 18 } cout << "Invalid" << endl;

Declare a Boolean variable named valid Password. Use valid Password to output "Valid" if passwordStr contains at least 4 letters and passwordStr's length is less than or equal to 10. Otherwise, output "Invalid". Ex: If the input is 81v4b532YZ, then the output is: Valid Ex: If the input is wH4q1pkøbL2, then the output is: Invalid Note: isalpha() returns true if a character is a letter, and false otherwise. Ex: isalpha('a') returns true. isalpha('8') returns false. 1 #include 2 using namespace std; 3 4 int main() { 5 6 7 8 9 10 11 T 12 13 14 15 } 16 string passwordStr; /* Additional variable declarations go here / getline (cin, passwordStr); / Type your additional code here */ if (validPassword) { 869. cout << "Valid" << endl; else { 17 18 } cout << "Invalid" << endl;

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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