1.

Match the following:Column‘A’Column ‘B’(1) Null (A) “Nothing”, “Empty”, “Unknown”(2) Undefined (B) Arithmetic and logical operations(3) Operators  (C) Variable which is declared but not assigned(4) One operand  (D) Unary operator

Answer»
Column‘A’Column ‘B’
(1) Null (A) “Nothing”, “Empty”, “Unknown”
(2) Undefined (C) Variable which is declared
 but not assigned
(3) Operators  (B) Arithmetic and logical
 operations
(4) One operand  (D) Unary operator


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