71. A Modulo-10 counter has . . . . . . . . states.
72. The following Finite State Machine (FSM) is used to detect a particular pattern in input data stream. Whenever the pattern is matched at input, output is set to '1' or else output is cleared to '0'. For which of the following data stream, output goes to '1' twice?

73. In CMOS implementation of a NAND gate:
74. What is the number of comparators required for a 3-bit flash Analog to Digital Converter?
75. Fan-out for the 74 series is
76. Without any additional circuitry an 8 : 1 MUX can be used to obtain
77. The half-adder circuit in the given Figure has inputs AB = 11
The logic level of P and Q outputs will be
The logic level of P and Q outputs will be

78. The addition of 3-bit is performed using which adder?
79. In standard TTL, the 'totem pole' refers to
80. A digital CMOS IC operating at 10 MHz clock frequency consumes 100 mW power; the same IC operating at 15 MHz clock frequency consumes 140 mW power. What is the static power consumption of the IC?
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