Algorithms - python (GCSE)

What is an algorithm?

• A set of rules

• Step by step instructions to solve a problem

• Instructions that are executed one after another

• Instructions that are completed in a random order

Code repeated / looped until a condition has been met or a set number of times.

• Sequence
• Selection
• Iteration
• Variable

Joining elements together to make a string is called what?

• Combining
• Connecting
• Concatenation
• Stringing

people = ["John", "Rob", "Bob"]

print (people[1])

what would this result be?

• John
• Rob
• Bob

people = ["John", "Rob", "Bob"]

print (people[4])

what would this result be?

• John
• Rob
• Bob
• Error

To repeat a fixed number of times use a

• while loop
• for loop
• if loop
• indentation

To repeat until a particular condition is true use

• while loop
• for loop
• if loop
• indentation

A data type than can have one of two values: True or False

• boolean

• variable

• modulo

• interpreter

To solve a problem that requires the user to enter 10 numbers would use what type of iteration?

• While loop
• For loop
• Variable
• Selection

What letter will be printed on the screen after running this code:

• e
• x
• t
• Nothing prints