Final answer:
The transistor made computers smaller, faster, and less expensive while also making radios more portable.
Step-by-step explanation:
The transistor revolutionized the field of computers and technology in several ways. It made computers smaller, faster, and more efficient by replacing bulky and unreliable vacuum tubes. This made computers less expensive and more accessible to a wider audience. Additionally, the invention of the transistor led to the development of portable radios, which made radios more portable and popular.