Every Book Back multiple-choice question from Scoping (12th Standard Computer Science, Samacheer Kalvi) — each with the correct option highlighted and a clear, worked explanation. Free to read in English and Tamil.
Q1
Which of the following refers to the visibility of variables in one part of a program to another part of the same program?
- A. ScopeCorrect
- B. Memory
- C. Address
- D. Accessibility
Explanation. Scope refers to the accessibility or visibility of a variable or function within one part of a program relative to other parts of the same program.
Q2
The process of binding a variable name with an object is called
- A. Scope
- B. MappingCorrect
- C. late binding
- D. early binding
Explanation. Mapping is the process of binding a variable name with a specific object in memory, typically achieved using the assignment operator.
Q3
Which of the following is used in programming languages to map the variable and object?
- A. ::
- B. :=
- C. =Correct
- D. ==
Explanation. The equal sign (=) is standard in programming languages to map a variable name to an object in memory.
Q4
Containers for mapping names of variables to objects is called
- A. Scope
- B. Mapping
- C. Binding
- D. NamespacesCorrect
Explanation. Namespaces are containers used to keep track of mappings between variable names and their corresponding objects, acting like a dictionary.
Q5
Which scope refers to variables defined in current function?
- A. Local ScopeCorrect
- B. Global scope
- C. Module scope
- D. Function Scope
Explanation. Local scope is the innermost scope and refers to variables that are declared and defined inside the current function or block.
Q6
The process of subdividing a computer program into separate sub-programs is called
- A. Procedural Programming
- B. Modular programmingCorrect
- C. Event Driven Programming
- D. Object oriented Programming
Explanation. Modular programming is the process of subdividing a computer program into separate, independent sub-programs or modules to ease development and debugging.
Q7
Which of the following security technique that regulates who can use resources in a computing environment?
- A. Password
- B. Authentication
- C. Access controlCorrect
- D. Certification
Explanation. Access control is a security technique that regulates and selectively restricts who or what can view or use resources in a computing environment.
Q8
Which of the following members of a class can be handled only from within the class?
- A. Public members
- B. Protected members
- C. Secured members
- D. Private membersCorrect
Explanation. Private members are class members that are denied access from outside the class and can only be accessed or handled from within the class itself.
Q9
Which members are accessible from outside the class?
- A. Public membersCorrect
- B. Protected members
- C. Secured members
- D. Private members
Explanation. Public members are class members that are declared as accessible from outside the class, allowing other parts of the program to invoke them.
Q10
The members that are accessible from within the class and are also available to its subclasses is called
- A. Public members
- B. Protected membersCorrect
- C. Secured members
- D. Private members
Explanation. Protected members can be accessed from within the class in which they are defined, and are also available to its child classes or subclasses.
About these Scoping questions
These are the Book Back multiple-choice questions for Scoping from the Tamil Nadu State Board (Samacheer Kalvi) 12th Standard Computer Science syllabus. Each question shows the correct option and an original, step-by-step explanation so you understand the method, not just the answer. Use the answer key above to jump to any question, then take the practice test to check yourself under exam-like conditions.
Frequently asked questions
How many MCQs are there in Scoping?
This chapter has 10 book-back multiple-choice questions, each with the correct answer and a step-by-step explanation.
Are these 12th Standard Computer Science MCQs free to practise online?
Yes. Every question, answer and explanation here is free, and you can also take them as a timed practice test.
Where can I find the Scoping book-back answers?
The correct option for each question is highlighted on this page with a worked explanation, plus a quick answer-key summary at the top.
