1,2,3 partials Flashcards
What is Boolean
Type of data that uses true or false
bool()
Boolean
Integer
It’s used for whole numbers, not decimals
int()
Integer
String
Used for text
Str(“”)
String
Float
Numbers with decimal
float()
Float
+?
Plus
-?
Substraction
/
Division
%
Reside of a division
*
Multiplication
**
Rise to the power
3 Examples of output
Monitors, printers, speakers, headphones, projectors, GPS devices
3 examples of input
Keyboard, optical pen, joystick, scanner, bar code reader
Example of both input and output
Digital camera, DVD, Fax, modem
what is if?
the action to be excecuted if conditions are met
what is elif?
another action to be excecuted if conditions are met
What is else?
The action to be excecuted only if none conditions are met
What does this mean? ==
Equal
What does this mean? >=
Bigger or equal to
What does this mean? <=
Smaller or equal to
What does this mean? !=
Not equal to
What does this mean? >
Smaller than
What does this mean? >=
Bigger than
What does this mean? .lower()=
That it changes letter to lowercase
What does this mean? .upper()=
It changes letters to uppercase
What is loops used for?
To interact over a sequence
What is the output of the following operation ?
x = 3
y = 4-2
(x!=y) or (6//4 2)>=(9%2) and (y2) <=(x/.2)
(y+1)==(8-3) or (x%3)>=(1+1) and (y) <=(x/5)
X
A monitor is an example of:
Hardware
Canvas and Excel are exmples of?
Softwares
Is a procesor a storage device?
No
Witch type of data is the following:
“I got 20 dollars in my pocket”
String
Witch type of data is the following:
A01207805
Error
Witch type of data is the following:
13.28
Float
Witch type of data is the following:
-34
Integer
Witch type of data is the following:
false
Error
Is this variable correct Final Result = 10?
No
What are breaking large problems into smaller ones
Decomposition
What is an algorithm?
A problem solving process composed of specific steps that can be followed for future similar problems
What is a pattern?
Finding trends in data that are similar with the hope that a solution to one of the parts will lead to the solution of another part of the problem
What is abstraction?
Hiding the less important details of a problem or challenge to find a general solution that can later be tailored for specific instances
is this varibale correct? birth_date
Yes
“address” is a valid variable name?
Nop
finalGrade is a valid variable name
Yup
What is the result of this? 5 + 3.5
8.5
Write down the result of the operation, if the result is an error type an X
“3” + “6”
36
Write down the result of the operation, if the result is an error type an X
“num” + 12
x
Write down the result of the operation, if the result is an error type an X
8.2 + 2.8
11.0
Write down the result of the operation, if the result is an error type an X
3 + 6
9
By default this function ends with a
Newline
This can be changed to any character using the parameter
end
The platform we are using to program in Python is
repl.it
What function displays what is in the parentheses to the console.
print()
If it is an integer or real number, simply enter it; if it is a text, you must put it in single or double
Quotes
Solve the following operation and write the numerical answer, if there’s an error write an X
num1=25 num1=num1-num1+3 num2=num1+num1 total=num1+num2 print(total)
9
Solve the following operation and write the numerical answer, if there’s an error write an X
num1=17 num1=num1+2 num2=num1+5 total=num1+num2 print(total)
43
Solve the following expression and write the answer, if there’s an error write an X
duck1="Daisy" duck2="Donnald" duck3="Family" ducks=duck2+duck3+duck1 print(duck3)
Family
What is the result of evaluating the following expression:
9 + 3 * 5 % 3 % 4 + 1
10
What is the result of evaluating the following expression:
5 * 4 – 3 * (10 + 2**2)
-22
What is the result of evaluating the following expression:
34 % 25 // 2
4
What is the result of evaluating the following expression:
(7 * 8 // 5) % 4
2
Convert the following algebraic expression to a valid expression using the arithmetic operators: a+bc+5a2+2b
(a + b)/c + 5 * a/2 + 2* b
Convert the following algebraic expression to a valid expression using the arithmetic operators:
h+vt+12gt2
h + v * t + 1/2 * g * t ^2
What is the result expressed in the console when executing the following program?
x="cat"
y="lion"
if x != y:
print("grrr")
else:
print("roar")
grr
What is the result expressed in the console when executing the following program?
x=8
y=24
if (x > y):
print(x - y)
else:
if (x < y):
print(y / x)
else:
print(x + y)3
What is the result of evaluating the following expression:
19 // 2**3
2
17 > 5 OR (13 - 2 > 8)
True or false
True
Considering a = 10, b = 12, c = 13
a = c) AND (c < b) (True or false
False
True or false? 4 + 4 +4 / 2 > 12 AND (4 + 4 + 4) / 2 <= 6
False
What does the following code do?
num = 1
while num<10:
if num % 2 == 0:
print(num)
num = num + 1
Displays on console the even numbers from 1 to 9
What is displayed by the following code ?
a = 3
b = 5
while a != b:
if b%2 == 0:
a = a + 1
else:
b = b + 1
print(a)
6
Whats the last value showed in the console?
num = 10
while num > 0:
. . . print(num)
. . . num = num - 2
2
What’s the last value showed in the console?
num = 15
while num < 20:
. . . print(num)
. . . num = num + 3
18
Why are loops important in programming?
Simplifies the code by eliminating duplicated code
The while loop repeats while
the condition is true
Solve the following operation, respect the hierarchy of operations.
(7 ^ 2 % 5) // 3
1
What’s the value showed in the console?
x = 10 .// 4
y = 5 /. 2
print(x + y)
4.5
Solve the following operation, respect the hierarchy of operations.
20 % 21 // (3 * 3)
2
It refers to the mental process in which a person sets a problem and for its possible solution uses a sequence of instructions excecuted by a computer, a human or both
Logical Thinking
When an algorithm is defined within the instructions you find verbs as:
Calculate, add, yes, then, repeat.
In what part of the algorithm are used?
Process
What are the 3 types of data used in computational language
Numeric, Alphanumeric, & Boolean
for a in range (2,8): x= a*a print (x) print (a) What's the value of x when a=4?
16
x=6
c=1
while x >= 1:
if x%3 ==0:
c=c+1
x=x-1
print(c)
What's the output shown in the console for print(c)?3
What's the output shown in the console for print(v3) v1="foo" v2="bar" v3=v1+v2 print(v3)
foobar
What’s the output shown in the console for print(y)?
y=”20”+”20”
print(y)
“2020”
What’s the output shown in the console for print(x,y2)?
x=2
y=”3”
print(x,y2)
233
What’s the output shown in the console for print (y+z2)
y= str (“examen”)
z= “fácil”
prin (y+z2)
Examen Fácil
