Which principle tells the developer to allow the user access to only what is need for that user's job?

When creating a Web page, why is it important to include a text transcript of any speech that’s offered as an audio file?

What will be an ideal response?

Write a sed program named ins that copies a file to standard output, chang- ing all occurrences of cat to dog and preceding each modified line with a line that says following line is modified:

What will be an ideal response?