19
3-14. If input B were used instead of input B,
how would the output be affected, if at
all?
1. It would be HIGH from T2 to T
4
2. It would be LOW from T4 to T
6
3. It would be HIGH from T2 to T
3and
T8 to T9
4. It would not be affected
3-15. What is the output Boolean expression for
an AND gate having F, G K
,
, and L as
inputs?
1. f = F G K L
2. f = F + G K L
3. f = F G K L
4. f = F G
K L
+
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Figure 3B. Logic symbol diagram.
IN ANSWERING QUESTIONS 3-16
THROUGH 3-18, REFER TO FIGURE 3B.
3-16. Which of the following gates is
represented by the symbol in the figure?
1. AND
2. OR
3. NOR
4. X-OR
3-17. What is the output Boolean expression for
the gate?
1. X, Y+Z
2. X+Y X
3. X+Y+Z
4. X Y Z
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