Binary Code

1. What is the binary number system?

• A) a number system based on two numbers, 0 and 1
• B) a number system based on ten numbers, 0-9
• C)  a computer coding system
• D) the way we work numbers in two step operations

What is binary? 

• A) A sequence of 1s and 0s 
• B) The way a computer speaks
• C) A useless code that is no longer used

What kind of 'base' system is binary known as?  

• A) Base 10
• B) Base 2
• C) Base 16

What kind of number system is used in everyday life?        

• A) Binary
• B) A simple number system
• C) Decimal

How is the binary system useful in computers?  

• A) Computer code only reads the numbers 0 and 1
• B) Computers were made to read real numbers
• C) Electronic componente have two states – on or off 
• D) Computers have ten keys

Binary numbers are important in computing because a binary number can be converted into every other base.

• True
• False

A byte is made up of six binary digits.

• True
• False

What would 00101110 be as a decimal number?        

• A) 46
• B) 36
• C) 56

What would 10110010 be as a denary number?      

• A) 168
• B) 184
• C) 178

What would the decimal number 222 be in binary? 

• A) 11010110
• B) 10111110
• C) 11011110