Digital Information
Digital Information: is any information that can be represented by
numbers. These numbers are converted into binary digits called bits.
These binary digits are combined into unique patterns (8bits long) to
represent numbers, letters, sounds, and colours.
For example, on a keyboard: 00110000 represents the number 0.
Measurements of Digital Information:
Term
Bit
Byte
Kilobyte
Megabyte
Gigabytes
Terabyte
Abbreviation
b
B
KB
MB
GB
TB
Size
1 digit
8 bits
1024 bytes
1 million bytes*
1 billion bytes*
1 trillion bytes*
Intuitive size
1 or 0
1 letter or
number.
1 page of text.
1 novel of text.
Small library.
Large library.
*approximate
Measurements associated with particular computer components:
Component
Floppy disk
Cd Rom
DVD
Hard disk drive
USB flash drive (memory stick)
Network server
Measurement (specification)
1.44 MB
700 MB
4.7 GB to 17.9 GB
500 GB to 2TB
2GB to 32 GB
30 - 60TB
How many Bytes in your name? How many Bits in your name?