Algorithm and programming

What is an Algorithm?

• A picture that you use to make a program

• A precise set of instructions

• Shapes and symbols connected together

• Breaking a problem down into smaller tasks

A good algorithm must be:

• ambiguous

• simple

• open-ended

• detailed

Which statement is NOT correct?

• Algorithm is a computer language that a computer understands.

• Algorithm has a set of instructions to follow.

• One of examples of algorithms is a cooking recipe.

• To tell a computer to do something, a program must be written in a computer language.

Which is NOT an example of algorithm?

• Poem

• Car manual

• Written note for how to make a cup of tea

• Recipe

Which statement is NOT correct?

• Programming is writing computer code.

• Programming is for computers to do a task.

• Algorithms are used by everyone.

• Computer program understands a human language.

What is a programming language?

• Written English

• A language that computer creates.

• A language that a computer understands.

• A series of step by step instructions

Which statement is NOT true?

• There are many different programming languages.

• Scratch is not a programming language.

• Programmers are like translators who knows how to talk to computers.

• Instructions for computers have to be precise and clear.

What is wrong with the following "code" for opening a bottle?

1. Grip cap with index finger and thumb

2. Remove cap

3. Twist counter-clock-wise until seal is broken

• too many steps

• not specific

• function doesn't apply to every bottle

• instructions are out of sequence

Which terms best describes each step in a computer program?

• Vague
• Confusing
• Random
• Specfic

How can the following instruction be made more specific? "Meet Joe at the corner of Main Street and First Avenue."

• describe how you first met Joe
• list all the streets that intersect with First Avenue
• describe current weather conditions 
• set an exact time for the meeting