Q. Binary number 11001 is equivalent to decimal number

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Q. Which of the following are included in the architecture of computer?

1. Addressing mode, design of CPU
2. Instruction set, data format
3. Secondary memory, operating system

Select the correct answer using the codes given below:

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Q. Assertion (A): Tristate logic is used for bus oriented systems

Reason (R): The outputs of a tristate logic are 0, 1 and indeterminant.

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Q. The value of 2⁵ in octal system is

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Q. Assertion (A): ECL gate has very high speed of operation.

Reason (R): Transistors in ECL do not go into saturation region.

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Q. A half adder adds

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Q. The no. of comparators required in a 3 bit comparator type ADC is

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Q. If the ladder reference voltage is 2 V, then minimum comparator resolution required is

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Q. In a 7 segment LED display, the minimum number of segments is activated when the input decimal number is

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Q. A 10 bit ADC with a full scale output voltage of 10.24 V is to be designed to have ± LSB/2 accuracy. If ADC is calibrated at 25°C, the maximum net temperature coefficient of ADC should not exceed

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Q. If all the LEDs in a seven segment display are turned on, the number displayed is

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Q. In a three input AND gate A = 1, B = 1, C = 0 The output Y =

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Q. DeMorgan's first theorem shows the equivalence of

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Q. 0.1011₂ = __________ .

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Q. A 4 bit down counter starts counting from 1111 irrespective of modulus.

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Q. The number of counter states which an 8 bit stair step A/D converter has to pass through before conversion takes place is equal to

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Q. 74 HC series can sink upto 4 mA. The 74 LS series has IIL(max) - 0.4 mA. How many 74 LS inputs be driven by 74 HC output?

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Q. An 8 bit transistor register has output voltage of low-high-low-high-low-high-low-high. The decimal number stored is

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Q. The number of cells in a 4 variable K map is

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Q. In which counter does the maximum frequency depend on the modulus?

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