Algorithm and coding

A set of instructions organized in the correct way to solve a problem

• A sequence

• A recipe

• An algorithm

• A diagram

The word algorithm comes from the famous Persian mathematician known as

• Al Khuwarizmi

• Ibn Hayan

• Ibn Al-Haytham

• Al Motanabbi

Which of these is NOT an algorithm?

• Following recipe instructions

• Working out how an engine works

• Tying your shoelaces

• Making a cup of coffee

An algorithm should not be :

• Clear instructions

• Exact

• Easy to understand

• Complex

Writing an algorithm is the phase that comes after writing computer code.

• True

• False

Answer explanation

writing algorithms comes before writing computer code

An example of computer language:

• English

• Java

• Sign language

• French

Algorithms begin with the word ​

Follow the example on the right and write an algorithm that allows the user to type 3 numbers and then display their sum.

Answer explanation

start

write "type the 1st number"

read n1

write "type the 2nd number"

read n2

write "type the 3rd number"

read n3

write "the sum = " , n1+n2+n3

end

Small basic is a text-based programming software

• True

• False

In small basic, you can use the turtle to draw graphics, which command is used to change the speed of the turtle?

• Turtle.speed(10)

• Speed=10

• Turtle.speed=10

• Turtle-speed(10)