Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Given: In a Laser Circuit FSM, the output x equals 50 nanoseconds, and Tclk equals 10 nanoseconds.
Question: Write VHDL code showing separate “blocks” for the next state decoder, memory, and output decoder. Add an Asynchronous Reset active Low.
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- Design a digital counter with the sequence: 0-5-10-15 and repeat. Use D FFs. (All unused states will be directed to the first count).arrow_forwardWrite truth tables and unsimplified Boolean expressions for each of the output signals F1 and F2 in the following circuit. Create the boolean expressions via a direct translation of the circuit.arrow_forwardYou are asked to design a circuit to detect if an overflow occurs when subtracting two integers represented in two's complement: Z= X - Y. Let Sz, Sx, and Sy be the sign bit for Z, X, and Y respectively, and they are fed as input to the circuit. Let O be the output bit of the circuit, whose value is 1 if an overflow happens, and 0 if otherwise. a) Build the truth table for O as a Boolean function of Sx, Sy, and Sz. b) Write the canonical expression (sum-of-product) for the Boolean function defined in the part a. c) Implement the Boolean expression defined in part b with a circuit by using AND, OR, and NOT gates. Draw the wiring diagram.arrow_forward
- A UV flip-flop behaves as follows: • If UV = 00, the next state of the flip-flop is the complement of the present state. • If UV = 01, the next state of the flip-flop is 1. • If UV = 10, the next state of the flip-flop is 0. • If UV = 11, the next state of the flip-flop is the same as the present state. A Moore sequential circuit has one input X and one output Z. The circuit outputs Z = 1 if and only if the number of 1's received as inputs is a multiple of 3. Derive a state table for this circuit and realize the state table with UV flip-flops. Label your states S, and make the encoding the binary representation of i. For example, S₂ should correspond to Q1Q2 = 10.arrow_forwardWrite VHDL code for this FSM. Add an asynchronous RESET, active High to the state diagram.arrow_forwardGiven: In a Laser Circuit FSM, the output x equals 25 nanoseconds, and Tclk equals 5 nanoseconds. Question: Write VHDL code showing separate “blocks” for the next state decoder, memory, and output decoder. Add an Asynchronous Reset active Low.arrow_forward
- 13. Using the I/O table, construct the appropriate Boolean expression, in CDNF, and a circuit for that expression x y z f(x,y,z) 1 1 1 1 1 100 10 10 1000 0 1 1 0 0 1 0 0 0 0 10 0001arrow_forwardyou need to design and draw a 3-bit synchronous binary up/down counter for experiment 5. You need to add a bit named "M" for the excitation table that helps it switch between up and down mode and draw the state transition diagram, excitation table, k-map and circuit diagram with T-flip flops. When M = 0, it will perform up counter. When M = 1, it will perform down counter.arrow_forwardIn verilog a counter must be developed from 0 to 9999 with a reset and parallel loading. The reset will be a button in charge of returning the count to 0 when pressed.For this practice, the implemented circuit will only use a 7-segment BCD converter module, which will have to be managed between the different 7-segment displays at a given frequency.arrow_forward
- Question 4: Design and implement a minimal 5 modulo up counter. It counts from 0 to 4 and repeats. Design the circuit such that, if the counter enters into the unwanted states: 5, 6 and 7, it should jump into state 0 on the next clock pulse.arrow_forwardbuild a full adder circuit with I/O switched on input wires, LEDs on output and naming input and output wires properlyarrow_forward
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