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Operating System Roles and Characteristics

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Operating System Roles and Characteristics

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Questions and Answers

In which mode of operation does a program have complete access to all hardware resources?

Protected mode

Kernel mode (correct)

Privileged mode

User mode

What is the primary function of a Resource Manager in an Operating System?

To provide a virtual machine interface

To provide security services

To allocate and share hardware resources among programs (correct)

To manage memory allocation

What type of storage is volatile?

Persistent storage

Cache

Buffer

Volatile storage (correct)

What is the main purpose of an Operating System as a Service Provider?

To provide common functionality simplifying application development Signup and view all the answers

What is the primary function of an Operating System in terms of protecting software programs?

To protect software programs from interfering with each other Signup and view all the answers

What is the role of the Operating System in relation to hardware resources?

To allocate and share hardware resources among programs Signup and view all the answers

In which mode of operation are instructions controlling the machine and I/O forbidden?

User mode Signup and view all the answers

What is the primary function of an Operating System in terms of resource allocation?

To allocate scarce resources Signup and view all the answers

What is the term for a software program that runs on the hardware without any supporting software?

Kernel Signup and view all the answers

What is the primary function of an Operating System as an Extended (Virtual) Machine?

To provide an abstract interface for applications to interact with hardware resources Signup and view all the answers