unity create gameobject with component

// Use 'new GameObject' to create a new GameObject in the current scene
SpawnedObject = new GameObject("Created GameObject");

using UnityEngine;
public class InstantiationExample : MonoBehaviour 
{
    // Reference to the Prefab. Drag a Prefab into this field in the Inspector.
    public GameObject myPrefab;

    // This script will simply instantiate the Prefab when the game starts.
    void Start()
    {
        // Instantiate at position (0, 0, 0) and zero rotation.
        Instantiate(myPrefab, new Vector3(0, 0, 0), Quaternion.identity);
    }
}

GameObject go = new GameObject("Test", typeof(MeshRenderer), typeof(MeshFilter), typeof(YourScript));