Q161
Open questionWhich are the two basic operations performed in ADCs?
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Q162
Open questionIn NOR-NOR configuration, the minimum number of NOR gates needed to implement the switching function is:
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Q163
Open questionThe complement of the Boolean expression
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Q164
Open questionFor the circuit shown in the figure, the delay of the bubbled NAND gate is 2 ns and that of the counter is assumed to be zero.
If the clock (Clk) frequency is 1 GHz, then the counter behaves as a
If the clock (Clk) frequency is 1 GHz, then the counter behaves as a
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Q165
Open questionWhich one of the following statements is correct?
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Q166
Open questionA 4-bit Johnson counter is initialized to 0101. Every time the state 1011 is reached, the counter is re-initialized to 0000 at the next clock active edge. Again when the state 0001 is reached, the counter is initialized back to 0101 at the next clock active edge. The cycle length of the counter is
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Q167
Open questionIn JK flip flop, if we input K with the inverted form of what we input J, the resulted flip flop is
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Q168
Open questionAn 8-bit SISO mode needs . . . . . . . . clock pulses to load an 8-bit number into a register.
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Q169
Open questionConsidering X and Y as binary variables, the equivalent Boolean expression for Y(X + Y) is
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Q170
Open questionConsider the following statements regarding memory:
1. Integrated circuit RAM chips are available in both static and dynamic modes.
2. The dynamic RAM stores the binary information in the form of electric charges that are applied to capacitors.
3. The static RAM is easier to use and has shorter read and write cycles.
4. RAM and ROM chips are not available in a variety of physical sizes.
Which of the above statements are correct?
1. Integrated circuit RAM chips are available in both static and dynamic modes.
2. The dynamic RAM stores the binary information in the form of electric charges that are applied to capacitors.
3. The static RAM is easier to use and has shorter read and write cycles.
4. RAM and ROM chips are not available in a variety of physical sizes.
Which of the above statements are correct?
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Q171
Open questionA Modulo-10 counter has . . . . . . . . states.
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Q172
Open questionThe 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?
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Q173
Open questionIn CMOS implementation of a NAND gate:
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Q174
Open questionWhat is the number of comparators required for a 3-bit flash Analog to Digital Converter?
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Q175
Open questionFan-out for the 74 series is
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Q176
Open questionWithout any additional circuitry an 8 : 1 MUX can be used to obtain
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Q177
Open questionThe 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
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Q178
Open questionThe addition of 3-bit is performed using which adder?
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Q179
Open questionIn standard TTL, the 'totem pole' refers to
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Q180
Open questionA 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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