6.5 Developing Algorithms Using Pseudocode

Answer 1

Less tham

Question 2

<=

Answer 2

Less rhan or equal to

Question 3

>

Answer 3

Greater than

Question 4

> =

Answer 4

Gretaer than or equal to

Question 5

==

Answer 5

Equal to

Question 6

=

Answer 6

Assignment

Question 7

!=

Answer 7

Not equal to

Question 8

*

Answer 8

Multiply

Answer 9

Exponent

Question 10

+

Answer 10

Addition (with int or float)

Concatenation (with strings)

Question 11

If
Else if
Else

Answer 11

Branching

Question 12

Switch case default

Answer 12

Branch depending on case

Question 13

input(;

Answer 13

Get user inout

Question 14

print()

Answer 14

Output to the user

Question 15

for

Answer 15

Repeat a process for a set number of times

Question 16

while

Answer 16

Repeaet while a condition is true

Question 17

do untill

Answer 17

Do a loop untill a condition is true

Question 18

str()

Answer 18

Cast to string

Question 19

int()

Answer 19

Cast to integer

Question 20

INTEGER

Answer 20

Whole number

Eg: 1, 2, 3, 4

Question 21

REAL or FLOAT or DOUBLE

Answer 21

A number with a decimal point

Eg: 1.1, 1.2, 1.3, 1.4

Question 22

BOOLEAN

Answer 22

Either True or False

Question 23

CHARACTER

Answer 23

A single alphabetic or numeric character

Eg: ‘A’, ‘@’

Question 24

STRING

Answer 24

A sequence of one or more characters

Question 25

LIST or ARRAY

Answer 25

A container that conrain more data

Eg: [‘eggs’, ‘are’, ‘good’]

Question 26

DICTIONARY

Answer 26

Key value pairs

Eg: {‘name’: marc, ‘age’: 14}

Question 27

Give some boolean operators

Answer 27

>
>=
<
<=
==
!=

Question 28

100 > 10^2

Answer 28

False

Question 29

n^2 == n*n

Answer 29

True

Question 30

Pseudocode

Answer 30

Structurd english for descriving algorithms

Question 31

Use of pseudocode

Answer 31

Allows a programmer to focus on the logic of the algorithm without being dristracted by syntax

Question 32

Sequence

Answer 32

The statements are executed one by one, in the order they are written

Question 33

Selection

Answer 33

The nest statement to be executed depends on whether the condition being tested is TRUE or FALSE

Question 34

Switch/case

Answer 34

Used if there are several options to be tested

Question 35

Assign a integer 5 to the variable x

Answer 35

x = 5

Question 36

Assign an input for a person’s username to a variable called y

Answer 36

y = input(“What is your name? “)

Question 37

Iteration

Answer 37

Repetition

Question 38

Give examples of functions that use iteration

Answer 38

For
While
Do untill

Question 39

Write a program that loops from 0 to 6 and prints out those numbers using iteration

Answer 39

for i in range(0, 7):

print(i)

Question 40

Write a program that keeps asking for a password if its incorrect

Answer 40

password = input(“Enter password”)
while password != “secret”:
print(“incorrect password”)
password = input(“Enter password”)

Question 41

Write a program that keeps asking for a password if its incorrect using a do untill loop

Answer 41

do:
password = input(“Enter password”)
until password == “secret”
print(“correct password”)