Half adder

Full adder

Parallel adder

Carry-look-ahead adder

adds 2 bits

is called so because a full adder involves two half-adders

needs two input and generates two output

All of these

words,high

bytes,low

bytes,high

character,low

AND, OR, NOT gates

EX-NOR or EX-OR gates

NAND gates

NOR gates

is a memory circuit

gives an output when all input signals are present simultaneously

is a -ve OR gate

is a linear circuit