Question

mcq- which of the following is not an operating system:- DOS ,UNIX ,DB2 or none of these .​

Answer 1

Answer:

DB2

Explanation:

DB2 is a database Unix and DOS are operating system s

Answer 2

Concept

Introduction to Operating Systems

Given

List of various systems such as DOS,UNIX,DB2 used in Computer Science field.

Find

which of the following is not an operation system

Solution

• To solve these problem one must know the information of the systems listed.

1. DOS - Also known as "'Disk Operating System'' , which is operating system that can be run using disk drive.
2. UNIX- Its allows multiple users to use computer resources at a time making  it multi-user friendly.
3. DB2- It is a Data management software developed by IBM.

Hence DB2 is not an operating system among the given.

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