To verify De-Morgan's theorems.

In Boolean algebra, which properties are applicable on OR operation?
Identify the type of gate represented by phrase “Any high input guarantees high output”.
(A + B)(A'.B') = ?
Which gate is simplest, most natural mode of operation for TTL logic?
Complement of the expression (A'B + CD') is
The logic gate equivalent to negative AND gate is
Simplify Y = AB' + (A' + B)C .
Identify the type of gate represented by phrase “Any low input guarantees low output”.
NAND gate is equivalent to
The Boolean function (A + BC) is a reduced form of