CS50
Harvard University
Here are the best resources to pass CS50. Find CS50 study guides, notes, assignments, and much more.
Exam (elaborations)
Harvard CS50 Week 1: Data Types & Variables Questions And Answers.
Harvard CS50 Week 1: Data Types & Variables Questions And Answers. What is an "int?" - CORRECT ANSWER -The int data type is used for variables that will store integers - Integers always take up 4 bytes of memory(32 bits). Range of information that can be stored is limited to 32 bits What is an "unsigned int?" - CORRECT ANSWER - qualifier that effectively doubles the range of positive variables of that type at the expense of negative values What is a "char?" - CORRECT ANSWER - u...
Nursewendo
Exam (elaborations)
CS50 Python Practice Exam Test.
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...
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Exam (elaborations)
CS50 Review Practice Test.
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...
Nursewendo
Exam (elaborations)
Code C Study Guide Test.
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]...
Nursewendo
Exam (elaborations)
Understanding Technology – Multimedia Questions And Answers.
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...
Nursewendo
Exam (elaborations)
CS50, lecture 7: SQL Written Exam A Graded Answers.
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...
Nursewendo
Exam (elaborations)
Harvard CS50: AI With Python Review Practice Exam Questions.
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...
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Exam (elaborations)
CS50, lecture 2: Arrays Questions And Answers.
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...
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Exam (elaborations)
Harvard CS50 Flask Written Exam.
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
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Exam (elaborations)
CS50, lecture 5: Data Structures Study Practice Test Quiz.
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....
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Exam (elaborations)
Cs50 week 1 Questions And Answers.
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...
Nursewendo
Exam (elaborations)
CS50 QUESTIONS AND ANSWERS.
CS50 QUESTIONS AND ANSWERS. Define "Function." - CORRECT ANSWER o Functions are action verbs that tell you to do some sort of action (ex. pick up, call, open to, etc) Define "conditionals." - CORRECT ANSWER o Conditionals are like a crossroad where we use "if" and "then" statements/concepts What are Boolean expressions? - CORRECT ANSWER o Boolean expressions are "yes"/"no" questions What can help us write, run, and translate our code? - CORRECT ANSWER Tools called IDEs,...
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Exam (elaborations)
CS50 Harvard EDX Written Exam Questions and Answers.
CS50 Harvard EDX Written Exam Questions and Answers. What is a byte? - CORRECT ANSWER 8 bits what does the computer use physically to represent or store values? (a tiny little switch) - CORRECT ANSWER transistor functions - CORRECT ANSWER verbs or actions that tell the computer what to do conditions - CORRECT ANSWER forks in the road, either this or that boolean expression - CORRECT ANSWER questions in code with yes or no answers (true/false) loop - CORRECT ANSWER a cycle doi...
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Exam (elaborations)
Harvard CS50 Week 1: Data Types & Variables Questions and Answers.
Harvard CS50 Week 1: Data Types & Variables Questions and Answers. What is an "int?" - CORRECT ANSWER -The int data type is used for variables that will store integers - Integers always take up 4 bytes of memory(32 bits). Range of information that can be stored is limited to 32 bits What is an "unsigned int?" - CORRECT ANSWER - qualifier that effectively doubles the range of positive variables of that type at the expense of negative values What is a "char?" - CORRECT ANSWER - u...
Nursewendo
Exam (elaborations)
Harvard CS50 Week 0 Notes Study Guide.
Harvard CS50 Week 0 Notes Study Guide. Problem Solving - CORRECT ANSWER What is computer science on a fundamental level? It is the process of taking some input (details about are problem) and generate some output (the solution). - CORRECT ANSWER What is Problem Solving in CS terms? The numbers 0-9. Once we count up past 9, we carry a 1 to the left and start at 0 again (i.e. the number "10") - CORRECT ANSWER What numbers are represented in the base 10 (otherwise known as decimal) sys...
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Exam (elaborations)
CS50 STUDY GUIDE EXAM QUESTIONS.
CS50 STUDY GUIDE EXAM QUESTIONS. Binary Numbers - CORRECT ANSWER 0, 1 1 - CORRECT ANSWER 001 2 - CORRECT ANSWER 010 3 - CORRECT ANSWER 011 4 - CORRECT ANSWER 100 5 - CORRECT ANSWER 101 6 - CORRECT ANSWER 110 7 - CORRECT ANSWER 111 8 - CORRECT ANSWER 1000 9 - CORRECT ANSWER 1001 10 - CORRECT ANSWER 1010 15 - CORRECT ANSWER 1111 33 - CORRECT ANSWER 100001
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Summary
Fundamentals of Computing: Mastering Computational Thinking and Scratch Programming
Unlock the world of computing with our comprehensive guide on computational thinking, problem-solving techniques, and basic programming concepts using Scratch. Dive into the essence of breaking down complex problems, identifying patterns, and creating step-by-step solutions through algorithm design. Explore the visual programming language Scratch, discovering the power of sprites, blocks, scripts, and events. This resource establishes a solid foundation for anyone seeking a thorough understandin...
pkinya2002
Class notes
All Basics Of CS50
"CS50" is an introductory computer science course at Harvard University, designed to provide students with a comprehensive understanding of computer science and programming concepts. Below is an in-depth description of CS50, covering various aspects of the course: Course Overview: Name: CS50: Introduction to Computer Science Institution: Harvard University Duration: Typically runs for a semester Course Content: CS50 covers a wide range of computer science topics, starting from the ...
vanshkumar4
Class notes
CS50 Notes 152
CS50, also known as "Introduction to Computer Science," is a renowned course offered at Harvard University. Led by Professor David J. Malan, this course provides a comprehensive and in-depth introduction to the field of computer science, equipping students with fundamental programming skills, problem-solving techniques, and a broader understanding of computational thinking. The course notes in CS50 cover a wide range of topics, catering to both beginners and those with some programming expe...
stephenkassaw
Class notes
CS50 Notes
CS50, also known as "Introduction to Computer Science," is a renowned course offered at Harvard University. Led by Professor David J. Malan, this course provides a comprehensive and in-depth introduction to the field of computer science, equipping students with fundamental programming skills, problem-solving techniques, and a broader understanding of computational thinking. The course notes in CS50 cover a wide range of topics, catering to both beginners and those with some programming expe...
stephenkassaw