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Discussion and Solution of Computer Sciences and IT related Problem of Virtual Studies.

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  • RE: CS508 Assignment No. 01
 Solution and Discussion

    Java:

    public class MyClass {
    public static void main(String args[]) {
    
    System.out.println("My Student ID is BC160401656");
    System.out.println("My Language is JAVA");
    }
    }
    

    C#:

    using System;
    
    class Program
    {
    static void Main() {
    
    Console.Write("My Student is is BC160401656 \n");
    Console.Write("My Language is C#");
    }
    }
    

    C++:

    #include <iostream>
    
    using namespace std;
    
       int main() {
    
        cout"MY Student ID is BC160401656 \n " ;
    
        cout"Language is C++" ;
    
    }
    
    posted in CS508 - Modern Programming Languages
  • RE: .Harma ransomware Removal instructions

    @zareen
    Dharma (CrySiS) can leave files (ransom notes) with names like README.txt, README.jpg, howdy my vichtim.txt, Your personal information square measure encrypted!.txt, FILES ENCRYPTED.txt, Files encrypted!!.txt, info.hta.

    Unfortunately, Dharma (CrySiS) Ransomware with the .harma extension, like alternative variants, isn’t decryptable while not paying the ransom Associate in Nursingd getting the personal keys from the criminals UN agency created the ransomware unless they’re leaked or confiscated by authorities once creating an arrest. while not the master personal RSA key that may be wont to rewrite your files, decoding is not possible. that sometimes suggests that the secret is distinctive per victim and generated during a secure approach that can’t be brute-forced.

    If possible, your best choice is to revive from backups, strive file recovery software system or backup/save your encrypted information as is and expect a potential resolution at a later time. Ignore all Google searches which offer links to imitative and untrustworthy removal/decryption guides. once our specialists tweet a couple of new variant, junk articles square measure quickly written so as to push removal software system.

    There is Associate in Nursing current discussion during this topic wherever victims will post comments, raise queries and look for more help. alternative victims are directed there to share data, experiences and suggestions.

    Dharma ransomware (filename.[].wallet/.cesar/.arena) Support Topic

    Rather than have everybody with individual topics, it’d be best (and additional manageable for staff) if you denote to any extent further queries, comments or requests for help within the higher than support topic discussion…it includes experiences by specialists, a range of IT consultants, finish users and company reps UN agency are littered with ransomware infections. To avoid excess confusion, this subject is closed.

    posted in Tech News
  • RE: .Harma ransomware Removal instructions

    Harma Ransomware could be a dangerous malicious program. it’s an important threat for all Windows computer users. It will simply intrude any automatic data processing system and cypher the keep files. it’s a motive to extort cash and therefore it lock all the out there knowledge on the infected computer and agitate users for his or her files. Harma Ransomware demands Brobdingnagian ransom quantity to convey the cryptography key to the user. it’s a ill-famed computer threat that has infected many automatic data processing system round the world. several of the defendant of this nasty virus says that it’s a really dangerous malicious program that fully destroy the computer. Harma Ransomware has been specially created by hackers for creating ill-gotten profit by threatening innocent users. This harmful malicious program can cypher all of your files and knowledge together with videos, images, audios, MS workplace documents, pdf, html, php, xml, pst, odt, ost, and plenty of different files.

    posted in Tech News
  • RE: Modern community for virtual studies

    @Sahil
    Sorry for inconvenience. We are working on new features.

    posted in Announcements
  • RE: India Successfully landed on Moon. Here is the moon landing video 😎

    Moon could not accept modi because there are peace moon don’t want to be destroyed #IndiaFailed

    posted in General Discussion
  • RE: India Successfully landed on Moon. Here is the moon landing video 😎

    @zaasmi
    ChandRayaan2 Connection Restored !
    Message Received :
    “India tujh se Naa ho Paaye Ga”😂😂 #IndiaFailed

    posted in General Discussion
  • RE: Malala Yousafzai

    Please check her tweet

    posted in Pakistan
  • Cyberian Mobile Application Launched!

    We are happy to announced that Android application has been launched. You can download as following link.
    Download Link Available.

    posted in Announcements
  • RE: How to Copy Quiz and Paste or direct Google Search - VU Quiz

    Chrome extension link activate now you can download from below link

    VU Quiz Extension

    posted in Virtual University
  • RE: CS311 Quiz 2 Solution and Discussion

    XML Quiz
    For each question, choose the best choice out of the given choices.

    1. What does XML stand for?
      A. X-Markup Language
      B. eXtra Modern Link
      C. Example Markup Language
      D. eXtensible Markup Language

    2. XML’s goal is to replace HTML
      A. True
      B. False

    3. What does DTD stand for?
      A. Direct Type Definition
      B. Document Type Definition
      C. Document Type Declaration

    4. Is this a correct XML document?
      <?xml version=”1.0”?>
      <to>Students</to>
      <from>Teacher</from>
      <heading>Reminder</heading>
      <body>We are at Software Park, Thailand</body>
      A. Yes
      B. No

    5. Which statement is true?
      A. All XML elements must have a closing tag
      B. All XML documents must have a DTD or an XML schema
      C. All XML elements must be lowercase
      D. All of the statements are true

    6. Which statement is true?
      A. XML tags are case sensitive
      B. XML elements must be properly nested
      C. XML documents must have the root element
      D. All the statements are true

    7. XML preserves white spaces
      A. True
      B. False

    8. Is this a correct XML document?
      <?xml version=”1.0”?>
      <note>
      <to age=19>Students</to>
      <from>Teacher</from>
      </note>

    A. No
    B. Yes

    1. XML elements cannot be empty
      A. True
      B. False

    2. Which is not a correct name for an XML element?
      A. <Note>
      B. <h1>
      C. <1dollar>
      D. All 3 names are incorrect

    3. Which is not a correct name for an XML element?
      A. <age>
      B. <first name>
      C. <NAME>
      D. All 3 names are incorrect

    4. Which is not a correct name for an XML element?
      A. <xmldocument>
      B. <document>
      C. <doc>

    5. For the XML parser to ignore a certain section of your XML document, which syntax is correct?
      A. <xml:CDATA[ Text to be ignored]>
      B. <CDATA>Text to be ignored</CDATA>
      C. <![CDATA[ Text to be ignored ]]>

    6. XML is a subset of SGML
      A. True
      B. False

    7. XML attributes must be in double quotes
      A. True
      B. False

    8. XML attributes must be assigned values
      A. True
      B. False

    9. The Document Type Definition must be stored in an external file
      A. True
      B. False

    10. What can XML do?
      A. The standard for automating data exchange between systems
      B. The standard for displaying data on the Web
      C. The standard for a cross-platform programming language

    11. Which is false?
      A. XML is used to describe only structured data
      B. XML is used to only on the Internet
      C. XML is used to represent only simple data
      D. All of the above

    12. Which of the following comments are not well formed?
      A. <!-- define <source> -->
      B. <!-- define <source> -->
      C. <!-- declaration — 10.27.2004 -->
      D. <!— this is a valid comment -->

    13. Provided that the file x.dtd has the following contents. Which of the xml files are valid?
      <!ELEMENT test (a, b)>
      <!ELEMENT a ANY>
      <!ELEMENT b (#PCDATA | c)*>
      <!ELEMENT c EMPTY>
      <!ATTLIST c valid (true | false) #IMPLIED>

    a. <?xml version=”1.0” encoding=”ISO-8859-1”?>
    <!DOCTYPE test SYSTEM “x.dtd”>
    <test>
    <a/>
    <b>text<c valid=”true”/></b>
    </test>

    b. <?xml version=”1.0” encoding=”ISO-8859-1”?>
    <!DOCTYPE test SYSTEM “x.dtd”>
    <test>
    <a>Element <a>can</a>
    contain <anything/></a>
    </test>

    c. <?xml version=”1.0” encoding=”ISO-8859-1”?>
    <!DOCTYPE a SYSTEM “x.dtd”>
    <b>Sample</b>

    1. How can you declare in a DTD that the element x contains either the element a or the element b, but not both of them
      a) <!ELEMENT x a|b>
      b) <!ELEMENT x (a|b)>
      c) <!ELEMENT x (a?, b?)>
      d) It is not possible to declare in a DTD that one element contains either the element a or the element b, but not both of them

    2. How can you declare in a DTD that the element x contains the element a, or the element b, or both of them in the sequence a b.
      a) <!ELEMENT x a|b>
      b) <!ELEMENT x (a|b)>
      c) <!ELEMENT x (a?, b?)>
      d) None of the declarations above does solve the problem.

    3. How can you declare in a DTD that the empty element x has either the attribute a or the attribute b (or both of them). The attributes contain any value.
      a) <!ELEMENT x EMTPY>
      <!ATTLIST (a|b) CDATA #REQUIRED>

    b) <!ELEMENT x EMPTY>
    <!ATTLIST a CDATA #REQUIRED>
    <!ATTLIST b CDATA #REQUIRED>

    c) <!ELEMENT x EMPTY>
    <!ATTLIST a CDATA #REQUIRED
    b CDATA #REQUIRED>

    d) It is not possible to make the presence of one attribute depend on another attribute

    1. How can you in a DTD declare that the element x contains both attributes a and b and that the order of them has to be ab? The attributes can contain any value
      a) <!ELEMENT x EMPTY>
      <!ATTLIST (a,b) CDATA #REQUIRED>

    b) <!ELEMENT x EMPTY>
    <!ATTLIST a CDATA #REQUIRED>
    <!ATTLIST b CDATA #REQUIRED>

    c) <!ELEMENT x EMPTY>
    <!ATTLIST a CDATA #REQUIRED>
    b CDATA #REQUIRED>

    d) It is not possible to specify the order of attributes in a DTD. The order of attributes does not matter in XML.

    e) It is not possible to specify the order of attributes in a DTD. The order of attributes can be specified only in an XML schema.

    Valid names of elements and attributes start with a letter, an underscore or a colon, the following allowed characters are letters, numeric characters, colon, underscore, dot and hyphen (minus). Names which start with “xml” (in any case) are reserverd for W3C. The colon has a special meaning with namespaces and should not be used with any other semantic.

    posted in CS311 - Introduction to Web Services Development