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1 write a behavioral vhdl program for the above 4-bit carry-select adder and work through the same synthesis process2
1 write a behavioral vhdl program for the above 8-bit alu design and work through the same synthesis process2 design a
shift the bcd number 0101 0011 to the right bit by bit as follows if a 1 is shifted right out of some digit position
1 obtain a carry-save logic circuit for adding m n-bit numbers compare this circuit with that based on layered ripple
1 design a minimized binary-to-decimal converter whose four inputs are activehigh bcd-encoded numbers and whose ten
1 design a bcd adder circuit that first converts 2-digit decimal numbers into binary then adds the resulting binary
1 design an encoder for four input signals if one and only one is active at any moment in time2 design an encoder for
1 use decoders to designa a full adder andb a full subtracter2 design a 2-bit adder circuit using two-level nand gates
1 using only single-bit half adders obtain a logic circuit that can add three singlebit numbers2 design a 3-bit full
1 design an 8-bit left and right shifterrotator2 show how an alu can be used to a subtract 1 from a given number and b
1 design the serial and parallel versions of a comparator to compare the following type of binary numbersa sign and
1 design a multiplieradder circuit to realize f a times b plus c plus d where a bc and d are bcd inputs2 design a
1 design a logic circuit that multiplies an input decimal digit expressed in bcd by 5 the outputmust appearin bcd form
1 design a full subtracter module using half subtracter modules2 design a borrow-look-ahead 4-bit subtracter module and
1 design a special-purpose unit using single-bit full adders for addinga 12 singlebit numbers andb 19 single-bit
1 design a synchronous counter using d flip-flops that counts the sequence 1 5 2 3 6 7 and 1 discuss what happens if
consider the serial addition circuit shown in figure 760 where the single-bit full adder receives two external inputs
1 obtain a t flip-flop froma d flip-flop2 determine the characteristics of the following sequential circuits3 repeat
1 design a control circuit for algorithm 1a for which the sum would not be calculated any further once an overflowhas
1 draw the logic diagram of a four-bit register with clocked jk ffs having control inputs for the increment complement
1 obtain a logic circuit using as few ffs as possible to sequence 16 different operations2 design a parallel gray
1 using only d ffs and 1-of-4 muxs design a 3-bit register that can hold the present data shift right shift left and
1 design a 4-bit updown gray code counter using d flip-flops it should count up when u 1 and down when u 02 design a
1 design a sequence detector using d flip-flops that gives a high output when it has detected the sequence 10010
1 design a 3-bit updown binary counter using d flip-flops that counts up when u 1 and counts down when u 02 design a