Decimal to Binary (WS 1) Flashcards
The digits 0-9 are used by what type of number system?
The decimal/denary number system
Because it’s based on 10
What is binary?
It’s the smallest unit of measuring. It’s composed of 0’s and 1’s.
Why do computers use binary?
Because they have transistors (switches that are either on or off)
What is a number system?
It’s a system used for representing numbers
What’s a place value?
The value of a number based on its position
What’s a bit?
A binary digit with either a 0 or a 1.
What’s a byte?
A sequence of 8 bits with 256 possibilities.
What are the bases of denary and binary?
Denary -> 10
Binary -> 2
How do you convert from decimal to binary?
Keep dividing the number by 2 (without taking the decimal numbers), taking note of the remainders until the quotient is 0.
What’s the binary code of 123?
1101111(2)