Introduction International Business Machines (IBM) is an American Multinational Company present in over 170 countries in the world initially formed to produce and sell computer hardware, middleware, and software across the globe. IBM already has expanded exponentially in multiple domains ...

Introduction TCS (Tata Consultancy Services) is a consulting, IT, and business solutions organization that has partnered with thousands of organizations and is one of the largest businesses in the last 50 years. The organization is one of the leading companies ...