What will be the maximum conversion time in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).
Answer: A
No Explanation.
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The no. of comparators required in a 3 bit comparator type ADC is
Answer: C
No Explanation.
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In a mod-12 counter the input clock frequency is 10 kHz. The output frequency is
Answer: A
No Explanation
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In the expression A + BC, the total number of minterms will be
Answer: D
The min terms are ABC + ABC + AB C + ABC + ABC
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Which of these are universal gates?
Answer: C
Both NAND and NOR are called universal gates.
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A 4 bit parallel type A/D converter uses a 6 volt reference. How many comparators are required and what is the resolution in volts?
Answer: A
No Explanation.
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2's complement of binary number 0101 is
Answer: A
1's complement of 0101 is 1010 and 2's complement is 1010+1 = 1011.
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Assertion (A): In computers the data is stored in hexadecimal form
Reason (R): Hexadecimal representation is short as compared to binary representation.
Answer: D
Data is stored in binary form only.
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Assertion (A): XOR gate is not universal gate.
Reason (R): It is not possible to realize any Boolean function using XOR gates only.
Answer: A
A universal gate is one which can be used to realize any Boolean function using that type of gates only. Only NOR and NAND are universal gates.
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A decade counter skips
Answer: C
A decade counter counts from 0 to 9. It has 4 flip-flops. The states skipped are 10 to 15 or 1010 to 1111.
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