Familiarisation of ICs.

Which gate is also known as nothing or all gate?
The output of the two-input NAND gate is high
An exclusive NOR gate is logically equal to
Maximum number of input lines in practical NOR gate IC is _____.
Digital circuits can be made by the repeated use of ________.
The minimum number of NAND gates required to implement the Boolean function A + AB’ + AB’C is equal to
The output of the logic gate shown is
For the logic circuit shown in the figure, the required input combination (A,B,C) to make the output X = 1 is
The output F in the digital logic circuit shown in the figure is
_________ NOT circuits contained in a 7404 IC