Not all technology stocks are the high risk/high reward, volatile stomach-churners that have had investors pulling their hair out over the past year. Adding them to your portfolio can help you diversify and generate passive income while the stock market digests banking fears, political tensions, and a potential recession. Cisco Systems (NASDAQ: CSCO) has helped the world connect since the invention of the internet in the early 1980s; the company sells hardware and software products for networking and information technology.