Which of these correctly describes a boom and bust cycle in the computer technology industry? A Dell computers was founded in 1984. The company has since grown into one of the largest computer makers in the world.

B Texas is a major hub for development of computer components. Austin, Dallas, and Houston are the major centers for this industry in Texas.

C In the 1980s computer sales soared. In 1989 there was an economic recession and computer sales for many companies slumped.

D Texas Instruments began in the 1960s. This company created the technology that is the foundation for computers.