MCSL 216 MCA NEW Practical ~ common questions suggestions

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Topic: JS VALIDATION

 

Q1. Design a form for booking room through a Hotel website. The form should have relevant fields (make suitable assumptions). Further, the form should have Submit and Reset button. Now, perform following:

Marks: 20

 

Solution:

<html>

    <title>hotel form booking</title>

    <body>

        <br>

        <h2>Hotel Form</h2>

        <br>

 

        <form id="booking_form">

            <label for="p_name">Person Name</label> <br>

            <input type="text" id="p_name" name="p_name">

            <br>

            <label id="p_name_msg" style="color: red;">Please enter your name</label>

            <br>

            <label for="email">Email Address</label> <br>

            <input type="email" id="email" name="email"> <br>

            <label id="email_msg" style="color: red;">Please enter email address</label>

            <br>

            <label for="phone">Phone Number</label> <br>

            <input type="number" id="phone" name="phone"> <br>

            <label id="phone_msg" style="color: red;">Please enter phone number</label>

            <br>

            <label for="booking_start">Start Booking</label> <br>

            <input type="date" id="booking_start" name="booking_start"> <br>

            <label id="booking_start_msg" style="color: red;">Please enter start of booking date</label>

            <br>

            <label for="booking_end">End Booking</label> <br>

            <input type="date" id="booking_end" name="booking_end"> <br>

            <label id="booking_end_msg" style="color: red;">Please enter end of booking date</label>

            <br>

            <label for="adult">Number of Adults</label> <br>

            <input type="number" id="adult" name="adult"> <br><br>

            <label for="childs">Number of Childs</label> <br>

            <input type="number" id="childs" name="childs"> <br><br>

            <input type="submit" value="submit">

        </form>

 

        <script>

            document.getElementById('p_name_msg').style.display = "none";

            document.getElementById('email_msg').style.display = "none";

            document.getElementById('phone_msg').style.display = "none";

            document.getElementById('booking_start_msg').style.display = "none";

            document.getElementById('booking_end_msg').style.display = "none";

           

            document.getElementById("booking_form").addEventListener("submit", function(e){

                e.preventDefault();

                let count=0;

                if(document.getElementById('p_name').value){

                    count++;

                }else{

                    document.getElementById('p_name_msg').style.display = "block";

                }

                if(document.getElementById('email').value){

                    count++;

                }

                if(document.getElementById('phone').value){

                    count++;

                }

                if(document.getElementById('booking_start').value){

                    count++;

                }

                if(document.getElementById('booking_end').value){

                    count++;

                }

                if(count == 5){

                    document.getElementById('booking_form').submit();

                }else{

                    alert("please enter required fields values");

                }

            });

        </script>

 

    </body>

</html>

 

Q2. Design a form to reserve seat in a tourist bus, through its website. The forum

should have relevant fields (make suitable assumptions). The form should have

submit and reset button. Now, perform following: 20

(a) Use java script to validate all the fields in the form.

(b) Submit button should enter the data of fields in to the database.

(c) Error message should be shown if any text field is left blank.

(d) Reset button should reset all the fields to blank.

Marks: 20

 

Q3. Design a form to take admission in any course offered by any university through

its website. The form should have relevant fields (make suitable assumptions).

The form should have submit and re-set button. Now perform the following: 20

(a) Use java script to validate all the fields in the form.

(b) Submit button should enter data of fields in to the database.

(c) Error message should be shown if any text field is left blank.

(d) Reset button should reset all the fields to blank.

Marks: 20

 

Q4. Design a form for student satisfaction survey for various course offered by some

Department of some University. The form should have relevant fields (make

suitable assumptions). The form should have submit and reset button. Now,

perform the following:

(a) Use java script to validate all the fields in the form.

(b) Submit button should enter the data of fields in the database.(c) Error message should be shown if text field is left blank.

(d) Reset button should reset all the fields to blank.

Marks: 20

 

solution

<!DOCTYPE html>

<html lang="en">

 

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>form select</title>

</head>

 

<body>

 

    <br>

 

    <form>

        <label for="university">university</label><br>

        <select name="university" id="university">

            <option>select any university</option>

            <option value="ignou">ignou</option>

            <option value="cu">calcutta university</option>

            <option value="ju">jadavpur university</option>

            <option value="pu">presidency university</option>

            <option value="tu">techno india university</option>

        </select>

        <br><br>

 

        <label for="course"></label>

        <select name="course" id="course"></select>

    </form>

 

    <script>

        let courses = {

            "ignou": ["web development","app development"],

            "cu" : ["literature","history","pol science"],

            "ju" : ["mob soft dev","hardware","geo politics"],

            "pu" : ["discreate maths","rabindra sangeet","journal english"],

            "tu" : ["windows","A.I","robotics"],

        };

        document.getElementById('university').addEventListener("change", function () {

            document.getElementById('course').options.length = 0;

           

            let uni = document.getElementById('university').value;

            let select = document.getElementById('course');

            if(courses[uni]){

                courses[uni].forEach((ind, val) => {

                    let option = document.createElement("option");                   

                    option.value = ind;

                    option.innerHTML = ind;

                    select.appendChild(option);

                });

            }

        });

    </script>

 

</body>

 

</html>

 

 

Topic: Searching Algos:

Q1. Implement binary search algorithm and apply C code as well. Time complexity.

References:  https://www.programiz.com/dsa/binary-search

/* binary search */

  while(low <= high){

    mid = (low+high)/2;

    if(arr[mid] == find){

      printf("element found");

      flag++;

      break;

    }

    else if(arr[mid] < find){

      low = mid + 1;

    }

    else if(arr[mid] > find){

      high = mid - 1;

    }

  }

 

  if(flag == 0){

    printf("element not found");

  }

 

Q2. Implement bubble sort algo

References: https://www.javatpoint.com/bubble-sort-program-in-c

 

/* BUBBLE SORT    */

  printf("before bubble sort array: ");

  for(i=0;i<size;i++){

    printf("%d \t", arr[i]);

  }

  for(i=0;i<size-1;i++){

    for(j=0;j<(size-i)-1;j++){

      if(arr[j] > arr[j+1]){

        int temp = arr[j];

        arr[j] = arr[j+1];

        arr[j+1] = temp;

      }

    }

  }

  printf("after sort array: ");

  for(i=0;i<size;i++){

    printf("%d \t", arr[i]);

  }

 

Q3. Implement selection sort , insertion sort and merge sort in c.


Location: Kolkata, West Bengal, India

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