Data Types in Open Vera :

1. Integar
2. Bit (reg)
3. Enumerated
4. Arrays
5. Associative arrays
6. Objects
7. Numbers
   1. Sized Numbers  - like 4'b1010 (4 bit binary number)
      
   2. Unsized numbers - `b1010 (32 bit binary number by default)

Examples :

integer var1;                       // decalartion

integer var1 = 4`b1010;      // declaration + initialization

In vera reg and bit are synonymous.

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