Your mom found some optical drives that are labeled as r. she asks you what that means. what do you tell her?

What is the purpose of system calls, and how do system calls relate to the OS and to the concept of dual-mode (kernel-mode and user-mode) operation?

What type of computer needs a systemthat will take up little space

Which of the following is a special-purpose computer that functions as a component in a larger product?

Because some security work is heavily reliant on human judgment, not all controls are subjected to automation.

Why does wireshark show the actual mac address of the local hosts, but not the actual mac address for the remote hosts?

Which interest bearing account is best for people who won't need access to their money for several months or longer?

Large datasets that have many categories and subcategories use multilayered data, and to facilitate data you can create an outline. What is an outline?

Exchanging which type of data uses the least bandwidth? music photographs video voice

Suppose that you are measuring the time to receive a segment. When an interrupt occurs, you read out the system clock in milliseconds. When the segment is fully processed, you read out the clock again.

What is the largest amount of unit information? kilobytes, gigabytes, megabytes, or terabytes