93. Which of the following represents analog data?
A. ON and OFF states (b)0 and 1
B.(c) OV and 5V
C.(d)1.5,3.2,4and5V
D.
94. The logic gate which produces a 0 or low-level output when one or both of the inputs are 1 is called gate.
A. AND
B. OR
C.NOR
D. NAND
95. The output X of the gated network shown in Fig. 7.4 is
A. AB . CD . EF
B. AB + CD + EF
C. AB + CD + EF
D. (A + B)(C + D) (E + F)
96. Boolean algebra is essential based on
A. symbols
B. logic
C. truth
D. numbers
97. The output of a 2-input OR gate is zero only when its
A. both inputs are 0
B. either input is 1
C. both inputs are 1
D. eigher input is 0
98. The first person who used Boolean algebra for the design of relay switching circuits was
A. Aristotle
B. Boole
C. Shannon
D. Ramanujam
99. Different variables used in Boolean algebra can have values of
A. 0 or 1
B. low or high
C. true or false
D. On or OFF
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