Disk Operating System (DOS) Question: Download Questions PDF
How can you optimize performance of your computer?
a. Delete unused files
b. Defrag disk
c. Scan for virus
d. All of above
![DOS (Disk Operating System) Interview Answer DOS (Disk Operating System) Interview Question](https://globalguideline.com/public/images/interview/19.png)
Answer:
d. All of above
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