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Memory Management in Multiprogramming Systems Quiz

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Memory Management in Multiprogramming Systems Quiz

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Questions and Answers

What is the main advantage of a dual-core design?

It enables parallel execution of instructions, potentially doubling performance. (correct)
It provides redundancy for high availability in case of hardware failure.
It allows for more efficient memory management.
It simplifies the operating system design by separating user and kernel modes.

In a multicore system, what is the primary difference compared to a multiprocessor system?

Multicore systems are used in clustered environments, while multiprocessor systems are not.
Multicore systems require special applications to utilize parallelization, while multiprocessor systems do not.
Multicore systems are designed for high-performance computing, while multiprocessor systems are not.
Multicore systems have multiple processors on a single chip, while multiprocessor systems have separate chips. (correct)

What is the primary purpose of a clustered system?

To provide high availability and fault tolerance by having redundant nodes. (correct)
To simplify memory management by distributing memory across multiple nodes.
To improve performance by parallelizing computations across multiple nodes.
To enable efficient scheduling of processes across multiple processors.

In an asymmetric clustering system, what is the role of the hot standby node?

It is a backup node that takes over if one of the active nodes fails. (B) Signup and view all the answers

What is the primary advantage of a multiprocessor or multicore system over a single processor system?

Enhanced performance by enabling parallel execution of instructions. (D) Signup and view all the answers

In the context of operating systems, what is the purpose of dual-mode operation?

To separate privileged kernel mode from user mode for security and stability. (D) Signup and view all the answers

What is the primary role of a distributed lock manager (DLM) in a clustered system?

To avoid conflicting operations by managing locks on shared resources. (C) Signup and view all the answers

What is the purpose of a storage area network (SAN) in a clustered system?

To provide shared storage that can be accessed by multiple nodes in the cluster. (D) Signup and view all the answers

What is the difference between symmetric and asymmetric clustering?

Symmetric clustering has all nodes running applications, while asymmetric clustering has a hot standby node. (A) Signup and view all the answers

What is the role of interrupts in a multiprogrammed system?

To allow the operating system to regain control from user programs. (C) Signup and view all the answers