- Letter:
AllA(19)B(16)C(19)D(11)E(7)F(15)G(10)H(13)J(4)L(10)M(18)P(13)R(9)S(21)T(16)W(5)Y(3)Digital(2)
- Range Of Character Number:
All101-200(2)201-500(13)501-1000(5)1001-2000(6)2001-5000(4)5001-10000(2)10001-20000(2)20001-50000(6)50001-65536(2)
- Operating System:
AllWindows 95(10)Windows 98(10)Windows Me(10)Windows XP(13)Windows Vista(13)Windows 7(13)Windows 8(13)Windows 10(13)Windows 2000(13)Windows Server 2003(13)Windows Server 2008(13)Windows Server 2012(13)Windows Server 2016(13)Mac OS Classic(10)macOS(13)Linux(13)Android(12)iOS(13)