3-20.
Integrated circuits that combine the
technology of bipolar and metal-oxide
semiconductors are referred to as what type
of circuit?
1. Unipolar
2. Bipolar
3. BIMOS
4 . M O S
3-21.
Most of a computer’s integrated circuits are
digital.
1 . T r ue
2. False
3-22.
To process and store information in a
computer’s memory, what category of
circuit is used?
1. MOS only
2. Bipolar only
3. Digital
4. Linear
3-23.
Bipolar integrated circuits include all of the
following components except which one?
1 . E CL
2 . A LS
3 . T T L
4 . T T LC
3-24.
Which of the following components is
NOT a part of a MOS integrated circuit?
1 . D T L
2 . T T LC
3 . C M OS
4. HCMOS
3-25.
In the determination of whether a
computer’s logic level is negative or
positive, what is the relationship of the two
voltages?
1. They are relative to each other
2. They are independent of each other
3. They intermesh with each other
4. One is dominant; the other
subordinate
IN ANSWERING QUESTIONS 3-26 THROUGH
3-28, SELECT FROM THE FOLLOWING LIST
THE TERM DESCRIBED IN EACH QUESTION.
1. Pulse width
2. Pulse-repetition time
3. Pulse-duration modulation
4. Pulse-repetition frequency
3-26.
The time period from a repeating
waveshape’s starting point until the next
starting point.
3-27.
The time interval between specified
reference points on the leading and trailing
edges of a waveform.
3-28.
The number of times per second that a
signal’s complete cycle occurs.
GIVEN: A DIGITAL WAVESHAPE HAS
A PRT OF 25 µsec AND A NEGATIVE PW
OF 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 µsec
2.
8 µsec
3.
10 µsec
4.
12µsec
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