The correct answer is B. IBM.
IBM, or International Business Machines, is a multinational technology company headquartered in Armonk, New York, with operations in over 170 countries. The company began in 1911 as the Computing-Tabulating-Recording Company (CTR) and was renamed “International Business Machines” in 1924. IBM is one of the world’s largest employers, with over 352,600 employees as of 2020.
The company is known for its mainframe computers, which were once the dominant type of computer in the world. IBM also produces a wide range of other products and services, including software, hardware, and consulting.
The nickname “Big Blue” is often used to refer to IBM. The nickname is thought to have originated in the 1950s, when IBM was one of the largest and most powerful companies in the world. The color blue is also associated with IBM, as the company’s logo is a blue globe.
The other options are incorrect. TCS is an Indian multinational information technology services and consulting company headquartered in Mumbai. Microsoft is an American multinational technology company that produces computer software, consumer electronics, personal computers, and related services. Apple is an American multinational technology company that specializes in consumer electronics, software, and online services. Satyam is an Indian multinational information technology services company headquartered in Hyderabad.