Answer

1. Personal Opinion
2. IBM stands for International Business Machines. They produces hardware, software, cloud-based services and cognitive computing.
3. Our world is run by computer that every peorson in this world have a personal device. Everyday we rely on computers and smartphones. All businesses around the world is powered and run by computers. Everyday we use technology to live and keep working.
4. The first computer was invented in early 1822, and it was invented by Chrales Babbage. The computer before was only designed to control the business system but the computer we have today can control and run everything.