Multiple choice

DOS is a ------ user operating system.

  1. multi

  2. single

  3. both

  4. none
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

DOS (Disk Operating System) is a single-user operating system - it allows only one user to use the system at a time. This is different from multi-user systems like Unix or modern Windows that support multiple concurrent users through different accounts or sessions.

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