29. Different variables used in Boolean algebra canhave values of
A. 0 or 1
B. low or high
C. true or false
D. ON or OFF
30. According to the algebra of logic, (A + A) equals
A. A
B.1
C.0
D. AA
31. According to the Absorptive Laws of Boolean algebra, expression (A + AB) equals
A. A
B. B
C. AB
D. X
32. When we demorganize A B,weget
A. -A- B
B. -A- + 3
C.B
D. X + T3
33. . The dual of he statement (A + 1)=1 is
A. A. 1 =A
B.A.0 = 0
C.A+A=A
D.A.A= 1
34. Saturated logic circuit have
A. short saturation delay time
B. low switching speed
C. higher power dissipation
D. lower noise immunity
35. Special feature of I2L logic circuit is that it
A. uses only high-value resistors
B. dissipates negligible power
C. is a bipolar saturated logic
D. iseasy to fabricate
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