Term
a component with circuitry to control the interpretation and execution of instructions. |
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Definition
central processing unit (CPU) |
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Term
a composite of two submanagers, the Job Scheduler and the Process Scheduler, which decides how to allocate the CPU. |
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a computer system that supports both batch and interactive processes. |
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a computing system used in time-critical environments that require guaranteed response times, such as navigation systems, rapid transit systems, and industrial control systems. |
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Term
a dedicated computer system that often is part of a larger physical system, such as jet aircraft or automobiles. Often, it must be small, fast, and able to work with real-time constraints, fail-safe execution, and nonstandard I/O devices. |
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Term
a multifaceted technology that allows computing, data storage and retrieval and other computer functions to take place over a large network, typically the Internet. |
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Term
a node that provides to clients various network services, such as file retrieval, printing, or database access services. |
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Term
a system of interconnected computer systems and peripheral devices that exchange information with one another. |
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Term
a system that allows each user to interact directly with the operating system. |
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Term
a technique that allows a single processor to process several programs residing simultaneously in main memory and interleaving their execution by overlapping I/O requests with CPU requests. |
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Definition
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Term
a type of computing system that executes programs, each of which is submitted in its entirety, can be grouped into batches, and executed without external intervention. |
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Definition
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Term
: a composite of two submanagers, the Job Scheduler and the Process Scheduler, which decides how to allocate the CPU |
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Definition
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Term
a computing system used in time-critical environments that require guaranteed response times, such as navigation systems, rapid transit systems, and industrial control systems. |
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Definition
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Term
: a node that provides to clients various network services, such as file retrieval, printing, or database access services. |
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Definition
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Term
software instructions or data that are stored in a fixed or |
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Definition
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Term
the place where data is stored in the computer system. Primary storage is main memory. Secondary storage is nonvolatile media, such as disks and flash memory. |
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Term
the historical name given to a large computer system characterized by its large size, high cost, and relatively fast performance. |
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Term
the memory unit that works directly with the CPU and in which the data and instructions must reside in order to be processed. Also called primary storage, RAM, or internal memory. |
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Term
the place where data is stored in the computer system. Primary storage is main memory. Secondary storage is nonvolatile media, such as disks and flash memory. |
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Definition
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Term
the primary part of the operating system that remains in random access memory (RAM) and is charged with performing the system |
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Definition
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the primary software on a computing system that manages its resources, controls the execution of other programs, and manages communications and data storage. |
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Term
the section of the operating system responsible for controlling the use of devices. It monitors every device, channel, and control unit and chooses the most efficient way to allocate all of the system |
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Term
the section of the operating system responsible for controlling the use of files. |
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Term
the section of the operating system responsible for controlling the use of memory. It checks the validity of each request for memory space, and if it |
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Term
the tangible machine and its components, including main memory, I/O devices, I/O channels, direct access storage devices, and the central processing unit. |
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Term
when two or more CPUs share the same main memory, most I/O devices, and the same control program routines. They service the same job stream and execute distinct processing programs concurrently. |
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Definition
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