This is the binary adder /subtractor circuit.
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computer architecture assignment Question #2 Design a 4-bit subtractor circuit.
4. Design a 4-bit Adder / Subtractor. Follow the steps given below. (a) Write the VHDL code for a 1-bit Full Adder. The VHDL code must include an entity and an architecture. (b) Draw the circuit diagram for a 4-bit Adder / Subtractor. The circuit diagram may include the following logic elements: 1-bit Full Adders (shown as a block with inputs and outputs) Any 2-input logic gates Multiplexers Do not draw the logic circuit for the 1-bit Full Adder.
Introduction: This experiment studies the design of an 8-bit adder/subtractor circuit using VHDL capture. The experiment investigates the implementation of addition and subtraction operations with circuits. This lab uses the virtual simulation environment to validate the design practically in the FPGA board. Equipment: • This experiment requires Quartus Prime and the Intel's DE2-115 FPGA board. • All students should have the Intel QP and ModelSim-Intel-Starter-Edition softwares installed in personal computers. • VPN connection to UNB Network and remote desktop software...
Q. 2. (a) Using full adders and some other gates, design subtractor that subtracts an 8-bit binary number (Y.... Yo] from 8-bit binary number [X, ... Xo). Write necessary equations. Draw detailed circuit diagram and explain steps. (b) Write Verilog code for the above subtractor.
Implement the following bit sequential Adder-Subtractor design. X and Y are two operand inputs and Z is for the control signal i.e. Z is the selection bit. When Z has value 0, the circuit is an adder, meanwhile, the D flip-flop should be initialized to 0 for each addition. When Z has value 1, it performs subtraction, meanwhile, the D flip-flop should be initialized to 1 for each subtraction. Test your Adder-Subtractor circuit on the following operations and use the...
(1) How do you design a 4-bit subtractor (i.e. C = A - B) using 1-bit full adders, and with circuits for overflow detection. (Note: output 1 if there is overflow; otherwise, output 0.)
3. Design a one bit subtractor. The circuit subtracts the number Y from X and generates a difference D bit and a borrow out Bo bit. The circuit has three inputs: X, Y and borrow in bit Bi shown in the figure below: во ID a. Derive the truth table for the function D(X,Y,Bi) and Bo(X,Y,Bi) b. Write the functions D and Bo as a canonical SOP form, using the little m notation. c. To implement the functions D and...
Design a bit-sliced N-bit full subtractor from N one-bit borrow look-ahead full subtractors. Draw the block diagram of the full subtractor. Represent each gate with a square that is labeled with its type.
Construct the 8-bit ripple-carry adder/subtractor for signed integers. Negative numbers are in the 2's complement form. The circuit has inputs X(7:0), Y(7:0), CO, M and outputs S(7:0), carry-out of MSB C8, OFL (OFL 1 when it occurs). The circuit should perform addition and subtraction of 8-bit signed numbers 2. with M-1 and M-0, respectively. a) Obtain the schematic for the 8-bit adder/subtractor with two 4-bit adder/subtractors from problem 1 as building blocks. X, Y, A, B, S can be shown...
Computer architecture
Part 2: Function Implementations: Use Shannon's Theorem to design a combinational circuit (SOP format) for the function: fx)x+ 2x +3 0SXS4 a) b) c) Using a Simplest SOP gate-level design. Using appropriate-sized decoders. Explain the pros and cons of each representation (a and b). Include the number of gates and literals used by each representation.
computer architecture
4. Design a 2-to-4-line decoder with enable using inverters 2to-4-line decoder vi AND gates and