1.1.1 Binary Systems Flashcards
Computers use a _______ number system
binary
Humans use a _________ number system
denary
Binary is also known as _______
base 2
Denary is also known as ________
base 10
Binary (base 2) is made up of the numbers….
0 and 1
zero and one
Denary is made up of the numbers….
0 to 9
zero to nine
What are the data units from smallest to largest?
bit
nibble
byte
kilobyte
megabyte
gigabyte
terabyte
What are examples of data?
text/words
sounds
images
numbers
video
Computers take _____ and ______ it into _________
Computers take data and process it into information.
What is an algorithm?
An algorithm is a set of steps to solve a problem
8 bits =
1 byte
A computer process stores data using ________ __________ that can be ON or OFF
A computer process stores data using electrical switches that can be ON or OFF
What are the 8-bit binary placeholder values?
128 / 64 / 32 / 16 / 8 / 4 / 2 / 1
How do you convert a binary number to denary?
Find all the placeholders with 1s in them and add those placeholders up. The answer is the denary number.
A shorter way to write binary digit is ____
bit