Figure Q4(c) shows a block diagram of the Control Unit. Explain its FOUR (4) inputs and its TWO (2) outputs.
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- Draw a block diagram of Data Bus Transceiver CircuitConsidering the 2 bus SRC write the concrete RTN and control sequence for ldr ra,c11. Design a 4-bit ALU that performs Arithmetic (add, subtraction), and Logicoperations (AND, OR). The following control signals are to be considered:• A/S: add/subtract (0:add, 1:subtract)• A/O: and/or (0:and, 1:or)• A/L: arithmetic/Logic (0:arithmetic, 1:logic)• R/W: read/write signal (0:read, 1:write) The details of each control signal (Unit) are as follows.Unit 1 (A/S) - Design a 4-bit adder/subtractor that accepts two 4-bits numbers, A andB, and either add them up (A + B) or subtract them (A – B) depending on a controlsignal A/S (when the control signal is 0 perform ADD, otherwise if the signal is 1 thenperform SUB). The result will be stored in C.Unit 2 (A/O) - Design a 4-bit AND/OR unit that accepts two 4-bits numbers, A and B,and either AND them or OR them depending on a control signal A/O (when the controlsignal is 0 perform AND, otherwise if the signal is 1 then perform OR – bitwise logicaloperation). The result will be stored in C.Unit 3 (A/L) - Design a 4-bit ALU using Unit…
- Ceny TT for ALU Control: Inputs Outputs Funct field. Fx F5 F4 F3 F2 F1 FO ALUOP Operation Canyou Binvert Ainvert 0 010 (add) X0 110 (sub) (nand) (nor) 000 (and) 001 (or) 111 (SLT) X 1 0 1 1 10 11 Truth table for ALU control bits ALU control logic and circuit using k-map. ALU control logic and circuit using QM method (1. Design a 4-bit ALU that performs Arithmetic (add, subtraction), and Logicoperations (AND, OR). The following control signals are to be considered:• A/S: add/subtract (0:add, 1:subtract)• A/O: and/or (0:and, 1:or)• A/L: arithmetic/Logic (0:arithmetic, 1:logic)• R/W: read/write signal (0:read, 1:write) Unit 3 (A/L) - Design a 4-bit ALU using Unit 1 and Unit 2. The control signal A/L willindicate which operation the ALU will perform (when the control signal is 0 performArithmetic, otherwise if the signal is 1 then perform Logic).Unit 4 (R/W)- Design three 4-bit parallel registers to hold A, B, and C where C keepsthe output of the ALU. The registers have a R/W control signal that indicates that theyare being written to or read from.Define input/output (I/O) control
- 5. Frequency multiplier can be implemented practically by using a) Amplifier b) Capacity c) Nonlinear device junction d) Inductance. 6. The bandwidth of NBFM is approximately equal to a) fm b) 2fm c) 3fm d) 2ßfm 7. In Armstrong's indirect FM generation circuit, the mixer a) Changes the carrier frequency and the frequency deviation. b) Changes the carrier frequency keeping the frequency deviation without any changes. c) Changes the frequency deviation keeping carrier frequency without any changes. d) Keeping the carrier frequency and the frequency deviation without any changes. 8. The efficiency of AM-DSB modulator when the modulation index is one is equal to a) 50% b) 70% c) 33.3% d) 0% 9. Voltage controlled oscillator (VCO) is an oscillator that its frequency output is varied according to any change in the at its input. a) Frequency b) Current c) Voltage d) Wavelength 10. Matching of a transmission line with a characteristic impedance (Zo) and a load impedance (ZR) can be obtained…Given the following Combinational circuit, Use Verilog HDL on Quartus tool to1. Write a Verilog HDL code to describe the module DCDR2×4 // this module name must be your last name ( younis2. Write a Verilog HDL code to describe the whole system structurally from its subsystems// this module name must be your university number ( 1181230)1. Design a SINGLE 4-bit ALU that performs Arithmetic (add, subtraction), and Logicoperations (AND, OR). The following control signals are to be considered:• A/S: add/subtract (0:add, 1:subtract)• A/O: and/or (0:and, 1:or)• A/L: arithmetic/Logic (0:arithmetic, 1:logic)• R/W: read/write signal (0:read, 1:write) The details of each control signal (Unit) are as follows. Unit 1 (A/S) - Design a 4-bit adder/subtractor that accepts two 4-bits numbers, A andB, and either add them up (A + B) or subtract them (A – B) depending on a controlsignal A/S (when the control signal is 0 perform ADD, otherwise if the signal is 1 thenperform SUB). The result will be stored in C. Unit 2 (A/O) - Design a 4-bit AND/OR unit that accepts two 4-bits numbers, A and B,and either AND them or OR them depending on a control signal A/O (when the controlsignal is 0 perform AND, otherwise if the signal is 1 then perform OR – bitwise logicaloperation). The result will be stored in C. Unit 3 (A/L) - Design a 4-bit ALU…
- Find the values of the flags (carry ,sign ,zero, overflow) of the processor status register for the given example of two 8 bit no’s in Hex (A7 + EF) and draw the circuit diagram also.Design and draw a circuit diagram for a multiplexer for 2 inputs, x0 and x1, and one control bit, c0. When the control bit is 0, then the circuit should give x0 as output. When the control bit is 1, the output should be x1. Design a multiplexer for 4 inputs, x0, x1, x2, and x3, and 2 control bits, c0 and c1. The output for the multiplexer should be xk, whenever k = c1c0.Mention how the following instructions differ:1- NEG & NOT 2- DIV & IDIV3- CMP & SUB4- SHR & SAR5- AAM & AAD