CS50 (CS50)
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CS50, lecture 7: SQL Written Exam A Graded Answers.
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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...
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Harvard CS50: AI With Python Review Practice Exam Questions.
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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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CS50, lecture 2: Arrays Questions And Answers.
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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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Harvard CS50 Flask Written Exam.
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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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CS50, lecture 5: Data Structures Study Practice Test Quiz.
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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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Cs50 week 1 Questions And Answers.
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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...
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CS50 QUESTIONS AND ANSWERS.
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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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CS50 Harvard EDX Written Exam Questions and Answers.
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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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Harvard CS50 Week 1: Data Types & Variables Questions and Answers.
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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...
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Harvard CS50 Week 0 Notes Study Guide.
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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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