C07A-2019S – Computer Sir Ki Class

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Q&A CBSE12A-2019-C07A #7079 siteicon  

Question:

Damodar Mohan has been informed that there had been a backdoor entry to his computer, which has provided access to his system through a malicious user/programs, allowing confidential and personal infornation to be subjected to theft. It happend because he clicked a link provided in one of the pop-ups from a website announcing him to be winner of prizes worth 1 million Dollars.

Which of the following has caused this out of the following?

(i) Virus

(ii) Worm

(iii) Trojan Horse

Also, mention, what he should do to prevent this infection.


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CSKC| Created: 10-Apr-2019 | Updated: 10-Apr-2019|CBSE12A-2019






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ssignment Introductory Sessions Beginning to Program Tokens Keyword and Identifiers Data Types Variables and Constants Operators Simple User Input Building Expressions and Formulas Simple Real World Problems Simple If and If Else Multiple-Nested-Ladder of If Else Switch case selection Simple Loops Tricks in Loops - break continue scope Loop Applications - Handling numerals Series printing loops Nested Loops Pattern printing loops Number Varieties and Crunches String Handling (Null Terminated) Strings - string class type Functions (Built-in) Functions - user defined Functions Reference Passing/Returning Arrays Concepts and 1-D Arrays Array Data Management Two dimensional arrays and Matrices Structures Basics Structures passing/returning 2D Array Memory Addressing Display Using IO Manipulation Display Using C Formatting Tricks User Defined Data Types Enumerated Types Preprocessor Directives And Macros Exception Handling Programming Paradigms and OOPs Advantages Abstraction and Encapsulation Polymorphism Inheritance Function Overloading Concepts Function Overloading Varieties Function Overloading Special Cases Defining Classes Creating and Using Class Objects Class Members Accessibility Class Function Types Inline Functions Constant Functions Nesting of Functions Class Members Scope Resolution Static Members in a Class Array of Objects Constructor Concepts Default Constructor Parameterized Constructor Copy Constructor Constructor Overloading Destructors Inheritance Fundamentals Public Derivations Private and Protected Derivations Multiple Inheritance Multi-Level Inheritance Class Nesting Data File Concepts Handling Text Files Handling Binary Files Pointer Concepts Pointer and Arrays Pointers and Functions Object Pointers This Pointer Linked Lists Stacks Queues Introductory Sessions Beginning to Program Tokens Keywords Identifiers Literals Data Types Variables and Constants Operators (Arithmetic-Assignment-Unary-Relational-Logical) Expressions Statements and Formula Based Calculations BlueJ User Input Arguments through main Class Object Creation and Access Wrapper Classes Constructor Basics Constructor Overloading Conversion and Checking Functions Math Functions Function building and calling Function overloading Simple If and If-Else Selection Multiple Conditional Selections Switch Based Selections Basic Loop Types Compound or Nested Loops Jumping within loops Loop Variations Loop Applications - Handling Numerals Specially Named Numbers Series Printing Pattern Printing Scanner Input Buffered Input Array Basics Array Search Array Sorting Other Array Manipulations Two Dimensional Arrays Basics Two Dimensional Arrays Manipulations Character Handling String Basics String Class Functions StringBuffer StringBuilder Types of Errors Exceptions using try-catch Defining Classes Introductory Sessions Beginning to Program Introductory Sessions Beginning to Program Introductory Sessions Beginning to Program Data Types Variables and Constants Introductory Sessions Beginning to Program Python Basics Beginning To Program Tokens, Keywords, Identifiers Variables and Expressions Data Types Operators Building Expressions Collecting User Input elational nary)


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