3. What is a Computer?: Lesson Plan
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Task 5: New Operating Systems vs. Old Operating Systems
Summary:
Discuss new operating systems vs. old operating systems
Detailed Explanation:
• If available, use an old computer to identify the ROM chip
• Tell class that the first computers had all of the operating system built into the permanent memory (ROM)
• When the operating systems was updated, the permanent chip was removed and a new chip was installed
• This was difficult to do and parts of the computer would often be broken in the process
• Ask class how today's computers are updated [Ans: New operating system software is loaded from a CD-ROM or over the Internet. ]