Explanation:
Logic gates are basic building blocks of digital circuits. These gates are used to manipulate binary data. Digital circuits are used in various applications such as computers, smartphones, digital watches, calculators, and many more. Hence, the logic gates are widely used in digital design and are available in IC (Integrated Circuit) form.

Integrated Circuits:
Integrated circuits are miniaturized electronic circuits that are made up of several components such as transistors, diodes, resistors, capacitors, etc. These components are fabricated on a silicon chip and are interconnected using metal wires. ICs are widely used in digital circuits due to their small size, low power consumption, high reliability, and low cost.

Applications of Logic Gates:
Logic gates are used in various digital circuits such as:

- Arithmetic circuits
- Memory circuits
- Control circuits
- Communication circuits
- Digital signal processing circuits
- Microprocessors

Types of Logic Gates:
There are several types of logic gates such as:

- AND gate
- OR gate
- NOT gate
- NAND gate
- NOR gate
- XOR gate
- XNOR gate

Conclusion:
In conclusion, logic gates are widely used in digital design and are available in IC form. These gates are used to manipulate binary data and are the basic building blocks of digital circuits. ICs are widely used due to their small size, low power consumption, high reliability, and low cost. Logic gates are used in various digital circuits such as arithmetic circuits, memory circuits, control circuits, communication circuits, digital signal processing circuits, and microprocessors.