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1.3 Written Exam Q & A.
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 ...
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- • 4 pages •
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.
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...
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- • 3 pages •
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.
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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- • 2 pages •
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.
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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- • 2 pages •
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.
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...
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- • 2 pages •
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.
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]...
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- • 4 pages •
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.
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...
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- • 2 pages •
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.
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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- • 2 pages •
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.
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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- • 2 pages •
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.
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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- • 5 pages •
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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