3-20.Integrated circuits that combine thetechnology of bipolar and metal-oxidesemiconductors are referred to as what typeof circuit?1. Unipolar2. Bipolar3. BIMOS4 . M O S3-21.Most of a computer’s integrated circuits aredigital.1 . T r ue2. False3-22.To process and store information in acomputer’s memory, what category ofcircuit is used?1. MOS only2. Bipolar only3. Digital4. Linear3-23.Bipolar integrated circuits include all of thefollowing components except which one?1 . E CL2 . A LS3 . T T L4 . T T LC3-24.Which of the following components isNOT a part of a MOS integrated circuit?1 . D T L2 . T T LC3 . C M OS4. HCMOS3-25.In the determination of whether acomputer’s logic level is negative orpositive, what is the relationship of the twovoltages?1. They are relative to each other2. They are independent of each other3. They intermesh with each other4. One is dominant; the othersubordinateIN ANSWERING QUESTIONS 3-26 THROUGH3-28, SELECT FROM THE FOLLOWING LISTTHE TERM DESCRIBED IN EACH QUESTION.1. Pulse width2. Pulse-repetition time3. Pulse-duration modulation4. Pulse-repetition frequency3-26.The time period from a repeatingwaveshape’s starting point until the nextstarting point.3-27.The time interval between specifiedreference points on the leading and trailingedges of a waveform.3-28.The number of times per second that asignal’s complete cycle occurs.GIVEN: A DIGITAL WAVESHAPE HASA PRT OF 25 µsec AND A NEGATIVE PWOF 15 µsec.Figure 3A.—Example statement.IN ANSWERING QUESTIONS 3-29 AND 3-30,REFER TO FIGURE 3A.3-29.What is the value of the positive PW?1.6 µsec2.8 µsec3.10 µsec4.12µsec21
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