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Computers and Technology, 23.06.2021 16:50, gonzaloc
Cho lược đồ quan hệ R = (U, F) với U= {A, B,C, D,E, G,H} và F= {AB→C, D→EG, ACD→B, C→A, BE→C, CE→AG, BC→D, CG→BD, G→ H} Tính (D)+
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Computers and Technology, 25.06.2019 10:30, lamooothegoat
Select all that apply. select all functions of an operating system. displays a gui. allows you to multitask. allows you to use the software that you want to use. allows you to edit images. coordinates the interaction of hardware and software. defrags the hard drive. allocates the computer's resources. saves data. retrieves files. keeps confidential documents secure. copies information from one document to another.
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Computers and Technology, 26.06.2019 03:20, andres2865
If a lever operates at a mechanical disadvantage, it means that the a. effort is farther than the load from the fulcrum b. load is far from the fulcrum and the effort is applied near the fulcrum c. lever system is useless d. load is near the fulcrum and the effort is at the distal end
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Cho lược đồ quan hệ R = (U, F) với U= {A, B,C, D,E, G,H} và F= {AB→C, D→EG, ACD→B, C→A, BE→C, CE→AG,...
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