Explain the difference between RAM and ROM. How does a computer's CPU process instructions? Magnetic disks are the most popular medium for what?
Understand the Problem
The questions are asking to explain the differences between RAM and ROM, to detail how a CPU processes instructions, and to identify the type of access for magnetic disks. This implies a need for understanding computer memory and processing concepts.
Answer
i. B, ii. C, iii. C
The final answer is i. B - RAM is volatile memory, while ROM is non-volatile memory. ii. C - By executing instructions stored in memory. iii. C - Both of above.
Answer for screen readers
The final answer is i. B - RAM is volatile memory, while ROM is non-volatile memory. ii. C - By executing instructions stored in memory. iii. C - Both of above.
More Information
RAM is used for running applications and handling data temporarily, while ROM stores essential startup instructions permanently. The CPU executes instructions using data in memory. Magnetic disks are versatile, supporting both direct and sequential data access methods.
Tips
A common mistake is confusing the permanence of RAM and ROM. Remember, ROM retains data when power is off, while RAM does not.
Sources
- What is the Difference Between RAM and ROM? | Crucial.com - crucial.com
- How The Computer Works: The CPU and Memory - homepage.cs.uri.edu
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