Multiprocessing and Coprocessor

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Questions and Answers

What is the definition of multiprocessing?

  • The random execution of instructions.
  • The execution of only one instruction at a time.
  • The simultaneous execution of two or more instructions at the same time. (correct)
  • The sequential execution of two or more instructions one after the other.

What is the role of a coprocessor in a computer?

  • Monitors the temperature of the CPU to avoid overheating.
  • Speeds processing by executing specific types of instructions while the CPU works on another processing activity. (correct)
  • Acts as the main processor and executes all instructions.
  • Coordinates the execution of all instructions in the CPU.

What is a multicore microprocessor?

  • A microprocessor that combines two or more independent processors into a single computer to share the workload. (correct)
  • A microprocessor that executes instructions sequentially.
  • A microprocessor that executes only one instruction at a time.
  • A microprocessor that executes instructions in a random order.

How does a coprocessor differ from a multicore microprocessor?

<p>A coprocessor speeds processing by executing specific types of instructions, while a multicore microprocessor combines multiple processors into a single unit. (A)</p>
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Which component is responsible for executing specific types of instructions while the CPU works on another processing activity?

<p>Coprocessor (B)</p>
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What is parallel computing?

<p>The simultaneous execution of the same task on multiple processors to obtain results faster (C)</p>
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What is massively parallel processing systems?

<p>A form of multiprocessing that speeds processing by linking hundreds or thousands of processors to operate at the same time (D)</p>
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What is grid computing?

<p>The use of a collection of computers to work in a coordinated manner to solve a common problem (B)</p>
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What is cloud computing?

<p>Using a giant cluster of computers to serve as a host to run applications that require high-performance computing (C)</p>
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What is secondary storage?

<p>Devices that store larger amounts of data more permanently than allowed with main memory (A)</p>
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Study Notes

Multiprocessing and Parallel Computing

  • Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system to execute multiple instructions simultaneously.

Coprocessor

  • A coprocessor is a special-purpose processing unit that assists the central processing unit (CPU) in executing specific types of instructions.
  • The coprocessor offloads specific tasks from the CPU, freeing it to perform other processing activities.

Multicore Microprocessor

  • A multicore microprocessor is a single integrated circuit that contains two or more processing units (cores) that can execute instructions independently.

Coprocessor vs. Multicore Microprocessor

  • A coprocessor is a separate processing unit that assists the CPU, whereas a multicore microprocessor has multiple processing units within a single chip.
  • Coprocessors are specialized for specific tasks, whereas multicore microprocessors are general-purpose processing units.

Component Roles

  • Coprocessors are responsible for executing specific types of instructions while the CPU works on another processing activity.

Parallel Computing

  • Parallel computing is the simultaneous execution of multiple instructions or tasks across multiple processing units or nodes to speed up processing times.

Massively Parallel Processing Systems

  • Massively parallel processing systems use hundreds or thousands of processing units to execute tasks in parallel, achieving high processing speeds.

Grid Computing

  • Grid computing is a distributed computing system that coordinates and shares computing resources across a network to achieve a common goal.

Cloud Computing

  • Cloud computing is a model for delivering computing services over the internet, providing on-demand access to a shared pool of computing resources.

Storage

  • Secondary storage refers to non-volatile storage devices that hold data when the power is off, such as hard disk drives or solid-state drives.

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