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Assertion (A): The TTL output acts as a current sink in low state
Reason (R): The TTL input current is largest in low state.
The time needed by a TTL circuit to switch from 0 to 1 or 1 to 0 is about
The number of LED display indicators in logic probe are
Assertion (A): R2R ladder type DAC has higher speed of operation than weighted resistor DAC
Reason (R): R2R ladder type DAC uses only two different values of resistor network uses many different values of resistors
Which of the following circuits can be used as paralleltoseries converter?
Which of the following statements is not true in regard to storage time of a diode?
Suppose a microprocessor has memory locations from 0000 to 3FFF, each storing I byte. How many bytes the memory can storing I bytes the memory can store?
If the number of information bits is m, the number of parity bits p in the Hamming code is given by equation
Which of the following is the least important consideration while selecting a logic technology?
The logic circuit of the given figure realizes the function
Correct Answer : a
Explanation :
What is the maximum output voltage from the 741 opamp?
A full adder is to be implemented using half adders and OR gates. A 4 bit parallel adder without any initial carry requires
A pulse train can be delayed by a finite number of clock periods by using
The disadvantage of counter type ADC as compared to comparator ADC is that
In 8421 Binary coded Decimal system the decimal number 237 is represented by
Correct Answer : c
Explanation : The decimal number is 2 3 7.
2 = 0010
3 = 0011
7 = 0111
The answer is correct C. 0010 0011 0111.
11001, 1001 and 111001 correspond to the 2’complement representation of the following set of numbers
The generic microprocessor contains a zero and a carry flag. These are located on the
The 8156 of a figure has RAM locations from 2000 H to 20 FFH.
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88 videos71 docs58 tests
