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Questions and Answers
What is the definition of grid computing?
What is the definition of grid computing?
- The use of a collection of computers, often owned by multiple individuals or organizations, to work in a coordinated manner to solve a common problem. (correct)
- Using a giant cluster of computers to serve as a host to run applications that require high-performance computing.
- The simultaneous execution of the same task on multiple processors to obtain results faster.
- A form of multiprocessing that speeds processing by linking hundreds or thousands of processors to operate at the same time.
What characterizes secondary storage?
What characterizes secondary storage?
- Devices that store larger amounts of data, instructions, and information more temporarily than allowed with main memory.
- More volatile, lower capacity, and faster access than primary memory.
- Greater economy, nonvolatility, and slower access.
- Considerably less expensive than primary memory on a cost-per-megabyte basis. (correct)
What is the access method that allows data to be retrieved in any order without the need to read and discard other data?
What is the access method that allows data to be retrieved in any order without the need to read and discard other data?
- Direct access (correct)
- Sequential access
- Magnetic tape access
- Magnetic disk access
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