Closures MCQ

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• What is the purpose of the dynamic scoping?
  ক

  Variables can be declared outside the scope

  খ

  Variables must be declared outside the scope

  গ

  Variables cannot be declared outside the scope

  ঘ

  Variable cannot be declared within the function
• What is the opposite approach to the lexical scoping?
  ক

  Literal scoping

  খ

  Static scoping

  গ

  Dynamic scoping

  ঘ

  Generic scoping
• What is the fundamental rule of lexical scoping?
  ক

  Functions are declared in the scope

  খ

  Functions are executed using scope chain

  গ

  Functions are declared outside the scope

  ঘ

  Variables are declared within the function
• Which of the following uses a lot of CPU cycles?
  ক

  GUI

  খ

  Statically generated graphics

  গ

  Dynamically generated graphics

  ঘ

  Generic scoping
• What must be done in order to implement Lexical Scoping?
  ক

  Get the object

  খ

  Dereference the current scope chain

  গ

  Reference the current scope chain

  ঘ

  Return the value
• What kind of scoping does JavaScript use?
  ক

  Literal

  খ

  Lexical

  গ

  Segmental

  ঘ

  Sequential