Which of the following relational operator(s) is(are) commutative? (This is a multiple answer question, the example of commutative in arithmetic, a + b = b + a) x - Cartesian product T - Project U- Union - - Difference (minus) o - Select O x - Semi Join O÷- Division n- Intersect

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Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.