Guides d'étude, Notes de cours & Résumés

CS50 Python Practice Exam Test. Which increment operator does not exist in python -++ or -- -Must use += or -= How to code for loop in python for i in range(#): Data types in python -Bool -Float -Int -Str -range'-tuple -dict -set What is a tuple? -a fixed-length, immutable sequence of Python objects What is a dictionary python -The built-in datatypes in Python is called dictionary. It defines one-to-one relationship between keys and values. Dictionaries contain pair of keys...

CS50 Review Practice Test. Boolean A single value of either TRUE or FALSE Function A amount of code to do one specific task Variable Its storage a value like a bucket Conditionals - IF ....THEN ....ELSE Statements that only run under certain conditions: if then, else... Input Data that is entered into the computer system or instructions Algorithm a step-by-step procedure for solving a problem Output Data that has been processed by the alghoritm into a useful format. Loop a pr...

Code C Study Guide Test. #include <cs50.h> #include <stdio.h> - CORRECT ANSWER in all c50 code [data type] [variable] = get_[variable type]("[display]") - CORRECT ANSWER input syntax [data type] [variable] = [variable] - CORRECT ANSWER assigning variable syntax in all statements - CORRECT ANSWER ; printf("%[data type letter]", [variable]) - CORRECT ANSWER display variable int main(void){[all code]} - CORRECT ANSWER in all c programs if ([boolean statement]...

Understanding Technology – Multimedia Questions And Answers. file formats for recorded music - CORRECT ANSWER aac, midi, mp3, wav midi - CORRECT ANSWER way of storing musical notes for certain songs file formats - CORRECT ANSWER a way of storing 0s and 1s on disk so that a certain software knows how to interpret it sampling frequency - CORRECT ANSWER number of times per seconds we take a digital snapshot of what a person would hear bit depth - CORRECT ANSWER Number of bits use...

CS50, lecture 7: SQL Written Exam A Graded Answers. schema - CORRECT ANSWER decide on the _________, or format, of our data in advance by choosing the columns database - CORRECT ANSWER a file or program that stores data flat-file database - CORRECT ANSWER a database that only contains one table of data; example: CSV files KeyError - CORRECT ANSWER error raised when a dictionary key is not found canonicalize - CORRECT ANSWER standardizing data (e.g. all uppercase, strip whitespac...

Harvard CS50: AI With Python Review Practice Exam Questions. Agent - CORRECT ANSWER entity that perceives its environment and acts upon that environment. state - CORRECT ANSWER a configuration of the agent and its environment. initial state - CORRECT ANSWER the state in which the agent begins. actions - CORRECT ANSWER choices that can be made in a given state. Transition Model - CORRECT ANSWER a description of what state results from performing any applicable action in any state...

CS50, lecture 2: Arrays Questions And Answers. command line argument an input to a program on the command-line as extra words after the program's name in the command itself (run in terminal) Preprocessing Compiling step 1 of 4; a text substitution tool that instructs the compiler to do required __________ before the actual compilation; commands start with hash symbol (#) Compiling Compiling step 2 of 4; takes our source code (e.g. human-written code in C), and converts it to anothe...

Harvard CS50 Flask Written Exam. Flask - CORRECT ANSWER For python. Framework Why is flask important? - CORRECT ANSWER Easier to find information Where can you find flask? - CORRECT ANSWER

CS50, lecture 5: Data Structures Study Practice Test Quiz. Data structures more complex ways to organize data in memory, allowing us to store information in different layouts. linked list A linear data structure, much like an array, that consists of nodes, where each node contains data as well as a link to the next node, but that does not use contiguous memory. With ______ _________, we can store a list of values that can easily be grown by storing values in different parts of memory....

Cs50 week 1 Questions And Answers. Argument - CORRECT ANSWER costumization within a function n- - CORRECT ANSWER hits return on your keyboard While - CORRECT ANSWER do over and over when ______ is the case True - CORRECT ANSWER is always true, no matter what, so "while (true)" leads to a forever loop For - CORRECT ANSWER functions like 'while' but for defiente loops For loop - CORRECT ANSWER (int i = __; i <> __; i++) when i is less than a certain number, lets you...