Section 1
Preview this deck
What does the CPU do with Data?
Front
| 5 | 0 | ||
| 4 | 0 | ||
| 3 | 0 | ||
| 2 | 0 | ||
| 1 | 0 |
Active users
1
All-time users
1
Favorites
0
Last updated
1 year ago
Date created
Mar 1, 2020
Cards (65)
Section 1
(50 cards)
What does the CPU do with Data?
It reads and interprets the data and determines the sequence for processing the data.
What does isdigits do?
lets you know if a string is only digits or not
What is it called when we check input?
input validation
How do you check if two strings are equal in Python?
== symbol
What is a constant in Python?
a variable whose value should not be changed after it's assigned an initial value
What is a return value?
The output that a round function computes
Is 10,000 a valid number literal?
no because there is a comma
name = "Don" what is name[0]?
D
What is an algorithm?
An algorithm is a step by step description of how to solve a problem.
Algorithm for brushing your teeth, please create one
1. Get toothpaste from cabinet 2. Get toothbrush from cabinet 3. Put toothpaste on toothbrush 4. Wet toothpaste on toothbrush 5. Brush teeth for 2 min. 6. Spit out toothpaste 7. Rinse mouth 8. Rinse toothbrush 9. Return toothbrush to cabinet 10. Return toothpaste to cabinet
Give a example of a built in math function
abs (x) = gets the absolute value of "x"
Is 12pack a valid variable name? Why?
no because it starts with a number
Algorithm is a sequence of ?
A sequence of steps to help solve a problem.
parenthesis number is it always even or odd?
even
Concatenate what does it mean?
adding one string to the end of another string
What is a common error with if statements?
duplication in branches
What's the difference between software and hardware?
Software is an application program such as Microsoft Word. Meanwhile, Hardware consists of the physical elements in a computer system.
Why would 4 = 20/5 cause an error as a relational operator?
it should be 4 == 20/5.
Give 3 examples of relational operators in python
> greater than < less than == equal to
What is the ALU?
The ALU or arithmetic logic unit holds the circuitry to carry out calculations and perform comparisons.
Name 2 different data types in Python
integer, float, string
What is the only way to get false as an answer when using or?
only if both conditions are false
price = round(6.6554, 3) what is the value of price?
6.655
What is a variable?
A variable is a named storage location in a computer program
What does the in operator check for?
the in operator analyzes or asks certain questions about a particular string
Do the if and else words have to be aligned?
yes they have to be aligned
What is an escape sequence?
an escape sequence uses the "\" backslash to enter a new line of text without leaving the same print function
Whats the value of length?
The value of length is 5
What symbol do we use for a comment in Python?
#
What does is alpha do?
isalpha checks to see if the string contains only alphabetical characters.
What does CPU stand for in computer science?
Central Processing Unit
What is a function?
A sequence of instructions with a name
What is the input and output for the round function
input is argument, output is return value
How does the ends width work with file extensions?
Endswith makes sure the file has the correct extension with an if statement
How do we identify a constant in Python?
A constant is identified in ALL CAPS
5 % 4 in Python?
1
Is dog pound a valid variable? Why?
no because it has a space
Square with color
import turtle turtle.shape("turtle") turtle.color("red") turtle.forward(90) turtle.left(120) turtle.color("blue") turtle.forward(90) turtle.left(120) turtle.color("green") turtle.forward(90)
What is the header of a function?
The header of a function includes the name of the function and tells what type of data it expects to receive and the type of data it will return to the calling function.
What does a function call do?
a function call orders a function to execute its instructions
What do you think nesting refers to with if statements?
Using an if statement within an if statement
write a python program that inputs your name and year you graduate
name = input("What is your name?")grad_year = int(input("What year will you graduate?")) print("My name is", name, "and I graduate in", grad_year)
What does the colon indicate in an if else statement?
the colon indicates a compound statement
Whats an example of secondary storage?
Secondary storage is a flash drive that does not need electric power.
How large is a megabyte?
1,048,576 bytes
What type of branching is an elif?
multiway branching
What does a computer program do?
A computer program tells a computer the sequence of steps needed to complete a specific task.
What is the only way to get true when using an And?
only if both conditions are true
How does assignment work in Python?
The assignment statement '=' is used to place a new value into a variable
PEMDAS what does it stand for?
Parentheses, Exponents, Multiplication/Division, Addition/Subtraction
Section 2
(15 cards)