Posts

Showing posts from May, 2023

Web Technologies -||Tybcs imp questions

-
WT Technologies -|| Q1 what is the purpose of post and get methods  Ans:-Get and Post methods are the HTTP request methods used inside the <form> tag tpo send form data to the server.  Q2)Which file is used to configure the behaviour of PHP. Ans:-php. ini. Q3)Define Sticky form. Ans:-A sticky form is simply a standard HTML form that remembers how you filled it out. Q4)What is use of trigger-error(). Ans:-To register your own callback function which either logs or emails the error codes to you, and echo a simple friendly message to the user. Q5)Define session. Ans:-A session is a way to store information (in variables) to be used across multiple pages. Q6) Enlist techniques for maintain the state . Ans:-•Session. An important technique to maintain state. •Cookie. One of the smallest but important parts of the ASP NET, it is used to store the session and application information of the user. •Control State. •Hidden Field. •Viewstate.  •Query String. Q7)What is simple X...
Post a Comment
Read more

Imp questions Cc

-
  Q1)Define the term lexeme. Ans:-Lexemes are the character strings assembled from the character stream of a program. Q2)List the phases of compiler . Ans:-•Lexical Analysis. •Syntactic Analysis or Parsing. •Semantic Analysis. •Intermediate Code Generation. •Code Optimization. •Code Generation. Q3)Define Cross compiler? Ans:-A cross compiler is a compiler capable of creating executable code for a platform other than the one on which the compiler is running. Q4)State any two functions of lex library. Ans:-Invokes the lexical analyzer by calling the yylex subroutine. Returns the value 1 when the end of input occurs. Appends the next matched string to the current value of the yytext array rather than replacing the contents of the yytext array. Q5)Define SDD(Syntax Directed Definations). Ans:-A context-free grammar in which. each grammar symbol X is associated with two finite sets of values. Q6)Which parser is most powerful parser in bottom up parser? Ans:-LR Parser. Q7)Define the term...
Post a Comment
Read more

What is the collection

-
  In Java, a collection is an object that represents a group of elements. It provides a way to store, manipulate, and access a collection of objects in a unified manner. The Java Collections Framework provides a set of interfaces and classes that define various types of collections and the operations that can be performed on them. The key interfaces in the Java Collections Framework are: 1. Collection: It is the root interface that defines the basic methods that all collections should have, such as adding, removing, and querying elements. 2. List: It is an ordered collection that allows duplicate elements. Lists can be accessed by their index and provide operations for adding, removing, and modifying elements at specific positions. 3. Set: It is a collection that does not allow duplicate elements. Sets are often used to represent mathematical sets and provide methods for adding, removing, and testing the presence of elements. 4. Map: It is an object that maps keys to values. Each k...
Post a Comment
Read more

WT slip tybcs21to30

-
 @Slip-21 Q. 1)Add a JavaScript File in Codeigniter. The Javascript code should check whether a number is  Positive or negative.  Ans: Html file <!DOCTYPE html> <html>    <head>       <title>Number Check</title>       <script src=”<?php echo base_url(‘js/numberCheck.js’); ?>”></script>    </head>    <body>       <h1>Number Check</h1>       <p>Enter a number to check:</p>       <input type=”number” id=”num” />       <button onclick=”checkNumber(document.getElementById(‘num’).value)”>Check</button>    </body> </html> Create is file check number.js Function checkNumber(num) {    If (num > 0) {       Alert(“The number is positive.”);    } else if (num < 0) {       Alert(“The number...
Post a Comment
Read more

Java

-
@@1@@  public class demo extends Thread { char c; public void run() { for(c = 'A'; c<='Z';c++) { System.out.println(""+c); try { Thread.sleep(3000); } catch(Exception e) { e.printStackTrace(); } } } public static void main(String args[]) { demo t = new demo(); t.start(); } } Write a Java program to accept the details of Employee (Eno, EName, Designation,Salary) from a user and store it into the database. (Use Swing) @@@2 Write a java program to read ‘N’ names of your friends, store it into HashSet and display them in ascending order.  //Java program to count words in a string.   import java.util.Scanner;  class SortStrings {     public static void main(String args[])     {         String temp;         Scanner SC = new Scanner(System.in);          System.out.print("Enter the value of N: ");         int N= SC.nextInt();         SC.nextLine(); ...
Post a Comment
Read more

Wt slip tybcs11to 20

-
 @Slip-11 Q. 1) Write a Javascript program to accept name of student, change font color to red, font size to 18 if  Student name is present otherwise on clicking on empty text box display image which changes its size  (Use onblur, onload, onmousehover, onmouseclick, onmouseup)  Ans: <!DOCTYPE html> <html> <head> <title>JavaScript Example</title> <style> #name { Font-size: 14px; Color: black; } </style> </head> <body> <input type=”text” id=”name” onblur=”changeStyle()” onmouseover=”changeSize()” onmouseout=”resetSize()” onmousedown=”changeColor()” onmouseup=”resetColor()”> <img id=”img” src=https://via.placeholder.com/150 onload=”changeImageSize()”> <script> Function changeStyle() { Let name = document.getElementById(“name”).value; If (name) { Document.getElementById(“name”).style.fontSize = “18px”; Document.getElementById(“name”).style.color = “red...
Post a Comment
Read more