IPA IP 2023 Question 88
A question IPA Japan published in 令和5年度 ITパスポート試験 公開問題 問88, translated into English. ITPEC is based on the same exams.
Which of the following is a read-only DVD?
Explanation
DVD-ROM — Read Only Memory: the data is pressed into the disc at manufacture and can only be read.
DVD-ROM discs are used to distribute films, software and games. The user cannot write to them at all.
Answer (c)
Why not others:
- •(a) DVD-R — Recordable: the user can write data once (write-once), and it cannot be rewritten afterwards
- •(b) DVD-RAM — rewritable many times, and used like a removable disk with random access to files
- •(d) DVD-RW — ReWritable: the data can be erased and written again many times
Key rule: The suffix tells the write capability: ROM = read only, R = write once, RW and RAM = rewritable.
Computer Component · AI-written, may contain errors
This question comes from the past questions IPA Japan publishes, translated into English by ITPEC Practice. ITPEC Practice is an independent study tool and is not affiliated with IPA or ITPEC. See the original paper (PDF) or Report an issue.