11How many 2-to-1 multiplexers are needed to build an 8-to-1 multiplexer?A8B7C3D4View AnswerDiscussWorkspaceReportSaveMedium
12A ripple-carry adder is slow because:AIt has no carryBIt uses flip-flopsCIt uses too many inputsDEach carry must pass through every stage in turnView AnswerDiscussWorkspaceReportSaveEasy
13A hazard (glitch) in a combinational circuit is:AA clock signalBAn unwanted momentary output change caused by unequal path delaysCA short circuitDA permanent faultView AnswerDiscussWorkspaceReportSaveEasy
14Which circuit converts 2ⁿ input lines into an n-bit code?AFlip-flopBMultiplexerCEncoderDDecoderView AnswerDiscussWorkspaceReportSaveEasy
15The sum output of a half adder is:AA ⊕ BBA · BC(A · B)̅DA + BView AnswerDiscussWorkspaceReportSaveEasy