Microprocessors and the Personal Computer Revolution
Personal Computers: From Hobbyists to Offices
Explain adoption through hardware, software, availability and usability.
In this lesson
Lesson goals
Explain adoption through hardware, software, availability and usability.
The idea explained
A small processor alone does not create a mass market. Users need accessible systems and useful software. Apple II, Commodore PET and TRS-80 were important 1977 personal-computing releases. In August 1981, IBM introduced the 5150 PC, strengthening an ecosystem of software, peripherals and compatible machines. More users could work directly with a dedicated computer rather than submit jobs to a central facility.
Dates and milestones
- 1977: Apple II, Commodore PET and TRS-80.
- August 1981: Introduction of the IBM PC 5150.
Why was this a turning point?
Computing moved closer to individuals; software supply, compatibility and distribution mattered alongside specifications.
Activity: try before reading the answer
Compare a fast machine lacking suitable software with a slower supported accounting system. Which might a small business choose?
Answer and explanation
The second may better solve the actual task at lower cost and risk. Fitness for purpose matters more than processor speed alone.