311. What is the difference between a CD-ROM and a CD-RW ?

A. A CD-RW can be written to, but a CD-ROM can only be read from.
B. They are the same — just two different terms used by different manufacturers.
C. A CD-ROM holds more information than a CD-RW.
D. A CD-ROM can be written to and a CD-RW cannot.
✅ The correct answer is option A.

314. A web cookie is a small piece of data__________________?

A. sent from user and stored in the server while a user is browsing a website
B. sent from a website and stored in user’s web browser while a user is browsing a website
C. sent from root server to all servers
D. all of the above
✅ The correct answer is option B.

320. Micro computer hardware consists of three basic categories of physical equipment______________________?

A. Keyboard, monitor and hard drive
B. System unit, input / output and memory
C. System unit, input / output and secondary storage
D. System unit, primary storage and secondary storage
✅ The correct answer is option C.