Consider the state-chart of a simple communications system shown below. You are asked to redraw the diagram and introduce super-states to improve the readability and simplify the diagram while maintaining the same behavior. Hangup ERROR connected Idle Ring QK ERROR Processing Send Done ERROR transmitting OK Done Finished

Consider the state-chart of a simple communications system shown below. You are asked to redraw the diagram and introduce super-states to improve the readability and simplify the diagram while maintaining the same behavior. Hangup ERROR connected Idle Ring QK ERROR Processing Send Done ERROR transmitting OK Done Finished

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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hi can you explain these functions to me def encode(message):encode_dict = {'A': '.-', 'B': '-...', 'C': '-.-.','D': '-..', 'E': '.', 'F': '..-.','G': '--.', 'H': '....', 'I': '..','J': '.---', 'K': '-.-', 'L': '.-..','M': '--', 'N': '-.', 'O': '---','P': '.--.', 'Q': '--.-', 'R': '.-.','S': '...', 'T': '-', 'U': '..-','V': '...-', 'W': '.--', 'X': '-..-','Y': '-.--', 'Z': '--..', ' ': '.....'}encoded = ' '.join(encode_dict[i] for i in message.upper())return encodeddef decode(message):encode_dict = {'A': '.-', 'B': '-...', 'C': '-.-.','D': '-..', 'E': '.', 'F': '..-.','G': '--.', 'H': '....', 'I': '..','J': '.---', 'K': '-.-', 'L': '.-..','M': '--', 'N': '-.', 'O': '---','P': '.--.', 'Q': '--.-', 'R': '.-.','S': '...', 'T': '-', 'U': '..-','V': '...-', 'W': '.--', 'X': '-..-','Y': '-.--', 'Z': '--..', ' ': '.....'}decode_dict = {v: k for k, v in encode_dict.items()}decoded = ''.join(decode_dict[i] for i in message.split())return decodeddef process_lines(filename, mode):with…
Python Knapsack: you are carrying a knapsack with capacity to hold a total of weight C. You are selecting among n items with values A={a1, a2, ... , an} and associated weights W={w1, w2, ... , wn}. Here the weights and values are all positive. You wish to maximize the total value of the items you select not exceeding the given weight capacity, example, maximize sum_{a in A} such that sum_{w in W} <= C. Note that you can only select your items once. In Python, create function DP_K (C, A, W) as stated above. Input an array to the function to hold the backtrace. What is the best set of items for C = 30, A = [40, 110, 100] and w = [20, 30, 40]? This can be shown using auxiliary printing function.
only do if u can do all questions please
Python Returning function function name: is_prime parameters: a number n returns: True if n is prime behavior: Check the values in the range [2, n) and return False if n is divible by any of them. function name: bound_0_to_100 parameters:a number grade returns: the grade with a minimum of 0 and a maximum of 100 behavior: In addition to exceeding 100, sometimes a grade will be so spectacularly bad that it falls below 0. In that case we want to normalize it to 0 so all grades fall into the range [0, 100]. ex: bound_0_to_100(75) returns 75, bound_0_to_100(103) returns 100, and bound_0_to_100(-5) returns 0 function name: bigger parameters: two values a and b returns: whichever of the two is greatest behavior: ex: bigger(3, 9) returns 9
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