Decimal number 10 is equal to binary number
Answer: B
1010 = 8 + 2 = 10 in decimal.
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A 4 bit modulo 16 ripple counter uses JK flip-flops. If the propagation delay of each FF is 50 ns. The max. clock frequency that can be used is equal to
Answer: C
Propagation Delay for one FF is 50 nsec. For 4 FF = 50 x 4 = 200 nsec.
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In register index addressing mode the effective address is given by
Answer: B
4 = 22, in up scaling digit will be shifted by two bit in right direction.
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Hexadecimal number E is equal to binary number
Answer: A
E = 14 in decimal or 1110 (8 + 4 + 2 + 0 = 14) is binary.
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A device which converts BCD to seven segment is called
Answer: B
Decoder converts binary/BCD to alphanumeric.
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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
Answer: D
No Explanation.
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A divide by 78 counter can be obtained by
Answer: C
Modulus 13 x modulus 6 = modulus 78.
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An 8 bit DAC has a full scale output of 2 mA and full scale error of ± 0.5%. If input is 10000000 the range of outputs is
Answer: A
10000000 = 128, 11111111 = 255
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A counter type A/D converter contains a 4 bit binary ladder and a counter driven by a 2 MHz clock. Then conversion time
Answer: A
No Explanation.
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The maximum counting range of a four stage counter using IC 74193 is
Answer: C
IC 74193 is a divide by 16 counter.
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