Aliases and Qualified Expressions MCQ

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• A qualified expression is synthesizable in VHDL.
  ক

  True

  খ

  False
• Which one of the following would be the best use of qualified expression?
  ক

  Function overloaded with bit and integer types

  খ

  Function overloaded with bit_vector and std_logic_vector

  গ

  Function overloaded with bit_vector and std_logic

  ঘ

  Function overloaded with std_logic_vector and bit
• Where one should use the qualified expression?
  ক

  In all overloaded functions

  খ

  In overloaded functions with different number of parameters

  গ

  In overloaded functions with different parameter names

  ঘ

  In overloaded functions with different parameter types
• Which of the following is the correct syntax to define a qualified expression?
  ক

  (expression)’ type

  খ

  (expression)” type

  গ

  type’ (expression)

  ঘ

  type” (expression)
• In what way the qualified expression differs from a normal expression?
  ক

  It has a keyword qualified in front of it

  খ

  Its type is explicitly defined

  গ

  Its range is defined

  ঘ

  It is similar to simple expression but is synthesizable
• An alias of array type can reverse the order of the array.
  ক

  True

  খ

  False
• Which of the following can’t be aliased?
  ক

  Signal

  খ

  Loop variable

  গ

  Variable

  ঘ

  File
• For what purpose in the following, one can use alias?
  ক

  To divide the complex part into smaller slices

  খ

  To decrease the simulation time

  গ

  To make use of same memory

  ঘ

  To assign different memory locations
• Which of the following is the correct syntax for declaring an alias?
  ক

  ALIAS alias_name : object_name;

  খ

  ALIAS alias_name ; object_name;

  গ

  ALIAS alias_name – alias_type object_name;

  ঘ

  ALIAS alias_name : alias_type object_name;
• What does an alias declaration actually do?
  ক

  Creates a new object

  খ

  Doesn’t create a new object

  গ

  Creates a new signal

  ঘ

  Overwrites a file