CS50 (CS50)

CS50 EXAM QUESTIONS CORRECTLY ANSWERED. 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 ...

Harvard CS50 - C Medium Pre-Test Exam Questions. // - CORRECT ANSWER comment if (x < y) - CORRECT ANSWER true is x is less than y else if (x > y) - CORRECT ANSWER nested if x is greater than y

CS50 FINAL EXAM PREDICTION QUESTIONS. how does computer differentiate between letters and numbers? - CORRECT ANSWER file types: txt, doc, excl blah - CORRECT ANSWER

1.3 Written Exam Q & A. Operating system A set of programs that acts as an interface between the applications that are running on a computer and the computer's hardware. Multiprocessing The ability to use multiple processing devices. Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:06 / 0:15 Full screen Brainpower Read More Multitasking The ability to run multiple applications simultaneously. Multithreading Allows different parts of a single program ...

Python: Data Types Study Guide Test. True - CORRECT ANSWER A constant representing the true value of the boolean type. False - CORRECT ANSWER A constant representing the false value of the boolean type. None - CORRECT ANSWER A constant frequently used to represent the absence of a value, as when default arguments are not passed to a function. strings - CORRECT ANSWER A string literal, or string, holds any combination of letters and numbers you would like it to hold. Any number it h...

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...

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...