6The Boolean expression of a 2-input XOR gate is:AA + BBA·BCA·B + A̅·B̅DA·B̅ + A̅·BView AnswerDiscussWorkspaceReportSaveEasy
7Which gate outputs 1 when at least one input is 1?AANDBORCXNORDNANDView AnswerDiscussWorkspaceReportSaveEasy
8A buffer gate:AStores a bitBAdds two bitsCOutputs the same logic level as its inputDInverts the inputView AnswerDiscussWorkspaceReportSaveEasy
9How many 2-input NAND gates are needed to build an AND gate?A4B2C3D1View AnswerDiscussWorkspaceReportSaveMedium
10How many 2-input NOR gates are needed to build an OR gate?A4B1C3D2View AnswerDiscussWorkspaceReportSaveEasy