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Parallel

QuestionAnswer
A key advantage of distributed memory architectures is that they are more responsive than shared memory systems. FALSE
A key advantage of distributed memory architectures is that they are more scalable than shared memory systems. TRUE
A key advantage of distributed memory architectures is that they are less complex than shared memory systems. FALSE
If public data is used by a single-processor, then shared data is used by a multi-processor. FALSE
If private data is used by a single-processor, then shared data is used by a multi-processor. TRUE
Parallelism naturally leads to complexity. FALSE
Parallelism naturally leads to dependency FALSE
Parallelism naturally leads to concurrency. TRUE
Shared data is used by a multi-processor. TRUE
In most modern multi-core CPUs, cache coherency is usually handled by the user. FALSE
In most modern multi-core CPUs, cache coherency is usually handled by the application software. FALSE
In most modern multi-core CPUs, cache coherency is usually handled by the PROCESSOR HARDWARE
In most modern multi-core CPUs, cache coherency is usually handled by the processor hardware. TRUE
In most modern multi-core CPUs, cache coherency is usually handled by the operating system. FALSE
A Symmetric Multi-Processing (SMP) system has two or more _____ processors connected to a single _____ main memory. IDENTICAL; SHARED
A Symmetric Multi-Processing (SMP) system has two or more identical processors connected to a single shared main memory. TRUE
An SMP system has two or more identical processors which are connected to a single shared memory often through a system bus. TRUE
An SMP system a single processor connected to a single shared memory often through a system bus FALSE
An SMP system a single processor connected to a single shared memory often through a serial circuit. FALSE
The four classifications of Flynn's Taxonomy are based on the number of concurrent program streams and data streams available in the architecture. FALSE*
The four classifications of Flynn's Taxonomy are based on the number of concurrent input streams and output streams available in the architecture. FALSE
The four classifications of Flynn's Taxonomy are based on the number of concurrent instruction streams and I/O streams available in the architecture. TRUE
Uniform Memory Access is often made by physically connecting multiple SMP systems together FALSE
Nonuniform Memory Access is often made by logically connecting multiple SMP systems together TRUE
Cache coherency is not an issue handled by the hardware in multicore processors FALSE
Cache coherency is one of the issues handled by the hardware in multicore processors. TRUE
Parallel computing can increase the number of tasks a program executes in a set time. TRUE
Data transfer over a bus is much slower. FALSE
Data transfer over a bus is much faster. FALSE*
Shared memory don't always scale well. TRUE*
Shared memory always scales well. FALSE
Modern multi-core PCs fall into the MISD classification of Flynn's Taxonomy. FALSE
Modern multi-core PCs fall into the SISD classification of Flynn's Taxonomy. FALSE
Modern multi-core PCs fall into the MIMD classification of Flynn's Taxonomy. TRUE
Parallel processing has single multiple flow. FALSE
Parallel processing has single execution flow. FALSE
In parallel processing, several instructions are executed simultaneously. TRUE
Concurrency is the term used for simultaneous access to a resource, physical or logical. TRUE
A single applications independently running, is typically called Multithreading. FALSE
Multiple-applications dependently running, are typically called Multithreading. FALSE
In a distributed memory architecture, each processor operates dependently, and if it makes changes to its local memory, that change is not automatically reflected in the memory of other processors. FALSE
In a concurrent memory architecture, each processor operates independently, and cannot make changes to its local memory. FALSE
In a concurrent memory architecture, each processor operates independently, and if it makes changes to its local memory, that change is not automatically reflected in the memory of other processors. FALSE
In a distributed memory architecture, each processor operates independently, and if it makes changes to its local memory, that change is not automatically reflected in the memory of other processors TRUE?
A Symmetric Multi-Processing (SMP) system has two or more identical processors connected to a single distributed main memory. FALSE
A Symmetric Multi-Processing (SMP) system has two or more dissimilar processors connected to a single shared main memory. FALSE
The tightly coupled set of threads' execution working on multiple task is called Parallel Processing. FALSE
Each core of modern processors' has a separate cache that stores frequently accessed data. TRUE
In a parallel memory architecture, each processor operates independently, and if it makes changes to its local memory, that change is not automatically reflected in the memory of other processors. FALSE
It is necessary in shared memory that the data exists on the same physical device, hence it could not be spread across a cluster of systems. FALSE
Computer memory usually operates at the same speed than processors do. FALSE
Multiple-applications independently running, are typically called Multithreading. TRUE
A key advantage of distributed memory architectures is that they are _____ than shared memory systems. more scalable
Parallel computing can increase the scale of problems a program can tackle. TRUE
In a shared memory architecture, only one processor at a time sees everything that happens in the shared memory space. FALSE
In a distributed memory architecture, each processor operates independently, and if it makes changes to its local memory, that change is not automatically reflected in the memory of other processors. TRUE
Distributed memory scales better than Shared memory. Group of answer choices TRUE
In most modern multi-core CPUs, cache coherency is usually handled by the _____. processor hardware
Shared data is used by a multi-processor. TRUE
The tightly coupled set of threads' execution working on a single task is called Distributed Processing. FALSE
Distributed memory can be easily scaled. TRUE
An SMP system a single processor connected to a single distributed memory often through a system bus. FALSE
Each core of modern processors' has their own cache that stores not frequently accessed data. FALSE
Distributed memory cannot be easily scaled. FALSE
Distributed processing is the term used for simultaneous access to a resource, physical or logical. FALSE
Shared memory doesn't necessarily mean all of the data exists on the same physical device, hence it could be spread across a cluster of systems. TRUE
Each core of modern processors' has their own cache that stores frequently accessed data. TRUE
Computer memory usually operates at a much slower speed than processors do. TRUE
UMA stands for Universal Memory Access. FALSE
Execution of several activities at the same time is referred to as parallel processing. TRUE
The four classifications of Flynn's Taxonomy are based on the number of concurrent memory streams and I/O streams available in the architecture. FALSE
Shared memory scales better than Distributed memory. FALSE
The four classifications of Flynn's Taxonomy are based on the number of concurrent _____ streams and _____ streams available in the architecture. instruction; data
A thread that calls the join method on another thread will enter the terminated state until the other thread finishes executing. FALSE
The operating system assigns each process a unique process name. FALSE
In most operating systems, the processor hardware determines when each of the threads and processes gets scheduled to execute. FALSE
A thread contains one or more processes. FALSE
If you run multiple Java applications at the same time, they will execute in equivalent. FALSE
The operating system assigns each process a unique CPU core. TRUE
A process contains one or more threads. TRUE
The operating system assigns each process a unique _____. process ID number
Math library for processing large matrices would benefit much from parallel execution. TRUE
Which of these applications would benefit the most from parallel execution? math library for processing large matrices
In most operating systems, the user determines when each of the threads and processes gets schedules to execute. FALSE
In most operating systems, the _________ determines when each of the threads and processes gets scheduled to execute. operating system
If Thread A calls the lock() method on a Lock that is already possessed by Thread B, Thread A will immediately take possession of the Lock from Thread B. FALSE
Every thread is independent and has its own separate address space in memory FALSE
The time required to create a new thread in an existing process is greater than the time required to create a new process FALSE
A _________ contains one or more ___________. process; threads
If Thread A calls the lock() method on a Lock that is already possessed by Thread B, Thread A and Thread B will both possess the Lock. FALSE
A process contains one or more other processes. FALSE
Processes are considered more "lightweight" than threads. FALSE
if Thread A calls the lock() method on a Lock that is already possessed by Thread B, Thread B will block and wait for Thread A to execute the critical section FALSE
Why would ThreadA call the ThreadB.join() method? ThreadA needs to wait until after ThreadB has terminated to continue.
You can Safely expect threads to execute in the same relative order that you create them FALSE
It is possible for two tasks to execute in parallel using a single-core processor FALSE
Processes are faster to switch between the threads FALSE
If you run multiple Java applications at the same time, they will execute in equivalent FALSE
Graphical user interface (GUI) for an accounting application would benefit much from parallel execution. FALSE
Processes require more overhead to create than threads. TRUE
In most operating systems, the operating system determines when each of the threads and processes gets scheduled to execute. TRUE
System logging application that frequently writes to a database would benefit much from parallel execution. FALSE
It is possible for two tasks to execute concurrently using a single-core processor. TRUE
The operating system assigns each process a unique process ID number. TRUE
A thread that calls the join method on another thread will enter the blocked state until the other thread finishes executing. TRUE
Processes are simpler to communicate between than threads. FALSE
In most operating systems, the user determines when each of the threads and processes gets scheduled to execute. FALSE
A process can be terminated due to normal exit and fatal error. TRUE
A process can be both single threaded and multithreaded. TRUE
What happens if Thread A calls the lock() method on a Lock that is already possessed by Thread B? Thread A will block and wait until Thread B calls the unlock() method.
Created by: user-1902021
 

 



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