Multiprocessor System Definition

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Questions and Answers

What is the primary characteristic that distinguishes a multiprocessor system from a system with a single CPU and one or more input-output processors?

The presence of multiple CPUs with computational facilities comparable to a CPU.

How are computers interconnected in a multicomputer system?

By means of communication lines to form a computer network.

What is the role of the operating system in a multiprocessor system?

It provides interaction between processors and ensures all components of the system cooperate in the solution of a problem.

What is the classification of multiprocessor systems according to Sec. 9-1?

<p>Multiple instruction stream, multiple data stream (MIMD) systems.</p> Signup and view all the answers

What is the key difference between a multiprocessor system and a multicomputer system?

<p>A multiprocessor system is controlled by one operating system, whereas a multicomputer system consists of multiple autonomous computers.</p> Signup and view all the answers

What is the term used to describe a central processing unit (CPU) or an input-output processor (IOP) in a multiprocessor system?

<p>Processor.</p> Signup and view all the answers

What has been the major motivation for multiprocessor systems?

<p>The emergence of the microprocessor</p> Signup and view all the answers

What is one way in which multiprocessing improves the reliability of a system?

<p>If a fault causes one processor to fail, a second processor can be assigned to perform the functions of the disabled processor</p> Signup and view all the answers

In what two ways can computations proceed in parallel in a multiprocessor system?

<p>Multiple independent jobs can be made to operate in parallel, and a single job can be partitioned into multiple parallel tasks</p> Signup and view all the answers

What is an advantage of allocating system tasks to special purpose processors?

<p>These processors can be designed to perform certain types of processing efficiently</p> Signup and view all the answers

How can a user achieve parallel execution of certain tasks in a program?

<p>By explicitly declaring that certain tasks be executed in parallel prior to loading the program</p> Signup and view all the answers

What is the role of a compiler with multiprocessor software?

<p>It can automatically detect parallelism in a user's program and decompose it into parallel executable tasks</p> Signup and view all the answers

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