| 1.The （ ） has several major components, including the system kernel, a memory management system, the file system manager, device drivers, and the system libraries. |
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| 2.Insufficient （ ） can cause a processor to work at 50% or even more below its performance potential. |
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| 3.( ) is a fast and powerful operating system, based on the UNIX O.S. |
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| 4.The user must interact with the （ ） in order to accomplish task. |
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| 5.When saving a document you must decide on a name for the document and the （ ） where it will be saved to. |
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| 6.Computer systems consist of two very different types of elements: Hardware, which includes all the physical things that can be touched and （ ） , which tells the hardware how to do . |
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| 7.（ ）：The process of identifying and correcting errors in a program. |
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| 8.A （ ） is a functional unit that interprets and carries out instructions. |
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| 9.The program and the data are kept inside the computer in a place called （ ）. |
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| 10.( ) drives can erase and store data. |
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| 11.( ) refers to the parts of the computer that you can see and touch. |
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| 12.Programs written in all other kinds of languages are translated into ( ) before they are performed. |
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| 13.The two goals of an operation system are （ ） and efficiency. |
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| 14.When a program has no syntax errors, the compiler finishes ( ) the program, the source code, and generates an object code file. |
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| 15.The ( ) turns the object file into an executable program. |
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| 16.（ ）：An error can be caused by attempting to divide by 0. |
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| 17.( ) is not the basic hardware component of computers. |
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| 18.A （ ） consists of the symbols,characters, and usage rules that permit people to communicate with computer. |
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| 19.（ ） is the foundation on which applications are built. |
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| 20.( ) is an operating system that was initially created as a hobby by a young student. |
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