G7_Unit1+2 Review_2

You are writing a software program that can calculate the distance between Earth and Mars. Why is the variable name "bln_distance" not a good name?

• You cannot use the underscore character in variable names

• You should have a number in the variable name

• bln stands for boolean and the variable will have to be a float

• The variable name is too long

A data type consisting of numbers, letters and symbols.

• String
• Integer
• Float
• Boolean

What is decomposition?

• Steps you follow to solve a problem

• A method used to break down problems into subproblems and smaller parts

• A place used in a program to store data that can change

• A method used to make problems bigger and put subproblems together

You are planning on building a computer. If you decomposed the problem into subprograms, which subprograms below would be the best?

• 1. Write down the specifications you want – 2. Buy the hardware – 3. Put the hardware together – 4. Install the software

• 1. Create a computer - 2. Turn it on

• 1. Build a computer

• 1. Buy a computer – 2. Take the computer apart – 3. Lay out all the hardware

What is a variable?

• A box(memory location) where you store values

• A type of graphics

• Data type

• Mathematical operator.

What is pseudocode?

• It is code in the Python language

• It is a code you enter into a computer like a password

• It is an algorithm written in text like a programming language but without syntax or grammar rules

• It is the code for writing websites

What is Python?

• text based programming language
• word processor 
• spreadsheet
• block based programming language

Which of the following is an example of pseudocode?

• print("Hello, Zachariah!")

• Output the text "Hello Zachariah!"

• x = 3+2

• x = string(Zachariah)