Which one of the following is NOT an Operating System?

2018

Which one of the following is NOT an Operating System?

  1. A.

    MS-DOS

  2. B.

    IOS

  3. C.

    LDAP

  4. D.

    LINUX

Attempted by 901 students.

Show answer & explanation

Correct answer: C

The correct answer is LDAP because it stands for Lightweight Directory Access Protocol, which is a network protocol. MS-DOS, iOS, and Linux are all operating systems used to manage computer hardware and software resources.

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