Give Boolean theorem
AB + + BC= AB+
Which one of the following identities is true?
The number of 4 of 4 lin- to-16 line decoders required to make an 8-line-to-256-line decoder is
The characteristic equation of the T-flip-flop is given by
The initial contents of the 4 dit serial in-parallelout, right Shift, register shown in the given figureis 0110. After three clock pulses are applied, the contents of the shift register will be
With 4 Boolean variables, how many Boolean expressions can be formed?
A number is expressed in binary two's complement a 10011, Its decimal equivalent value is
The Boolean expression ( + B)(A+ )( ) Simplifies to
The minimum number of NAND gates required to imnplement the Boolean function
A+ A+ A C is equal to
The addition of two binary variables A and B results into a SUM And a CARRY output.Consider the following expressions for the SUM and CARRY outputs.
1. SUM = A.B +
2. SUM = A.+ A.
3. CARRY = A.B
4. Carry = A +B
Which of these expressions are correct?
For a binary half subtractor having two inputs A and B, the correct sets of logical expressions for the output sets of logical expressions for the output D (= A minus B) and X (= borrow) are
Minimum number of J-K flip-flip- flops needed to construct a BCD counter is
The characteristic equation for the next state (Qn +1) of a J-K flip- flop is
The initial contents of the 4-bit series in- parallelout, right shift, shift register as shown in figure below are 0110. After 3 clock pulses the contents of the shift register will be
How many 1's are present in the binary representation of (4 ×4096) + (9 × 256) + (7×16)+5 ?
Which IC is used for the implementation of 1-to-16 DEMUX?
IC 74154 is used for the implementation of 1-to-16 DEMUX, whose output is inverted input.
Which one of the following statements is correct?
Match List-I (Type of N-bit ADC) with List-II (Characteristics) and select the correct answer using the codes given below the lists:
If (2.3) base 4 +(1.2) base4 = (Y)base 4 ; what is the value of Y?
Given (135)base x +(144) base x = (323) base x
What is the output f(X,y) of the multiplexer resulting from the input logical values?
Given below are three types of converters:
1. Successive approximation type
2. Weighted resistor type
3. R-2 R ladder type
Which of these types are D to A converters?
What is the Gray code word for the binary binary 101011?
If A and B are Boolean Variables, then what is (A+ B). (A+ ) equal to ?
What is the Boolean expression A Å B equivalent to?
A 1 ms pulse can be converted into a 10 ms pulse by using which one of the following?