Which of the following components provides a number of critical services, including a user interface, memory management, a file system, multitasking, and the interface to hardware devices?a. RAMb. Operating system (OS)c. BIOSd. Hard drive

b. Operating system (OS)

Explanation:

Operating System is a term that is mostly referred to as a computer system's component, program or software technology, that carry out various operations for the whole Computer System.

These operations include:

1. a user interface

2. memory management

3. a file system

4. multitasking

5. the interface to hardware devices.

Hence, in this case, the right answer is option B: Operating System.

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a.s= 230t– 110; 1500 lbc.t= 230s– 110; 1500 lbb.s= 230t+ 110; 1720 lbd.s= 199t– 110; 1280 lb