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- Induction motor is running at a speed Select one: O a. Equal or higher than the rotating magnetic field speed O b. Equal to the rotating magnetic field speed Oc. Lower than the rotating magnetic field speed O d. Higher than the rotating magnetic field speed The main function of the inverter is to convert the DC to AC waveforms Select one: O a. True Оь. False Some examples of gases that cause Acid rain are: Select one: O a. Ashes and Sulfur Oxides O b. Sulfur Oxides and Nitrogen Oxides O . Carbon dioxide and Methane3 Consider the combinational circuit shown below. The propagation delay for each unit is indicated in ns. Assume all other delays are zero. 8 ns C(x,y) X 10 ns 10 ns y - 7 ns 5 ns 5 ns a) What is the latency and throughput of the circuit as shown? b) Indicate where storage registers should be placed to create a two-stage pipeline with maximum throughput. c) What is the latency and throughput of the two-stage pipeline in part b? d) What is the best throughput that can be obtained by pipelining? How many stages would this pipeline have?4. A data signal with bipolar voltage levels is shown below. The decision threshold is 0 volts. The logic levels are +1 volt for logic 1 and -1 volt for logic 0. Noise with the P.D.F. shown corrupts the signal. Find the probability of error at some instant of time on the condition that logic 0 is sent. LOGIC 1 +1 VOLT -2 1/2 دمت ~IN kla THRESHOLD +2 NOISE P.D.F. -I VOLT. LOGIC 0
- SIGNAL AND SYSTEM AS SOON AS POSSIPLEAn asynchronous state machine that controls a clock signal (C) by opening and closing it using another signal (S) as shown in the following timing diagram. Note that the output of circuit is Z. How many states are essential to draw minimal Mealy state diagram for asynchronous state machine? * 6. 2 4 8. 9.Please consider the digit ( dU5148 ). Print that specific combination using one 7 segment display in a serial. the following should be included in the report. 1. Generalized Equations (SOP & POS).
- Q2. a. Which type of ADC circuits is the most popular in practice. Why? b. The sequence generators are also called pseudo-noise (PN) generators. Why? c. What is the condition that if satisfied then the sequence generator is considered as a maximal length sequence generator?: Choose the correct answer for the following (n. 1. .. . instructions is not valid. a. MOV DS, 3000H b. РOP СХ c. DAA 2. When the word is to be popped from the top of the stack, the value of stack pointer is... a. incremented by 1 b. incremented by 2 c. decremented by 2 3. A microprocessor has .. . Data Bus a. unidirectional b. bi-directional c. Both 4. A microprocessor requires... power supply. a. +10V b. +7V c. +5V 5. . . instruction is not conditional jump instruction a. JA b. JMP c. JEImplement 8-bit asynchronous ripple counter and showing truth table, timing diagram. Also show how it can be used as frequency divider?
- (B)- Choose the correct answer for the following questions (Choose FIVE Only) 1. Assume AL register 7FH, it would become... after executed NEG AL instruction. a. 8FH b. 18H с. 81н 2. The unknown value for ????:B000H=25000H physical address is a. 001A H b. 1A00H c. 100AH 3. A microprocessor has ..... address bus a. unidirectional b. bi-directional c. Both 4. Instruction queue allows up to ........ of instruction code to be pre-fetched. a. 16 bits b. 6 bytes c. 6 bits 5. To activate the address bus or data bus in ADo-AD15 signal the .. should be either logic 1 or 0. a. MN /ΜX b. RD c. ALE 6. According to Moor's Law...... a. number of transistors on b. number of transistors on c. number of transistors on an integrated circuit an integrated circuit tripled an integrated circuit not doubles every two years every two years change.Exercise (3): A modem transmits using an 4-level signaling technique. If each signaling element has duration of 0.5ms. (a) Show the timing-diagram for a data stream 10111000111100010011 (b) Find the baud Rate and the bit Rate (c) How could you duplicate the transmission speed? Show the timing-diagram for a given data stream in (a). (d) How many bits per level are required if a modem using 7-level signalling mode? Exercise (4): A device is sending out data at the rate of 1000 bps. a. How long does it takes to send out 10 bits? b. How long does it take to sent out a single character (8bits)? c. How long does it take to send a file of 100,000 characters?Q1.A. A sequence detector has an input w and an output z. The machine is a sequence detector that produces z = 1 when the previous two values of w were 00 or 11; otherwise z = 0. a) Design Moore FSM (Find the state diagram and the state table) use the letters S0,S1,S2,...to name the states. b) Reduce the number of states by using the partitioning minimization procedure.