The full forms of the abbreviations TTL and CMOS in reference to logic families are
1
Triple Transistor Logic and Chip Metal Oxide Semiconductor
2
Tristate Transistor Logic and Chip Metal Oxide Semiconductor
3
Transistor Transistor Logic and Complementary Metal Oxide Semiconductor
4
Tristate Transistor Logic and Complementary metal Oxide Silicon
5
Transistor Transistor Logic and Complementary Non-Metal Oxide Semiconductor