Contents

UnitInformationStorage

A unit of measure for quantities of information.

Declaration

class UnitInformationStorage

Overview

Use instances of UnitInformationStorage to represent quantities of information using the NSMeasurement class. The base unit of measure for information is the bit, with a nibble representing four bits and a byte representing eight bits.

Larger units of information expand on bits and bytes by orders of magnitude in both decimal and binary forms.

Information Transfer

Units of bits commonly represent the amount of transferred information.

Decimal Bits

Coefficient

Binary Bits

Coefficient

Kilobits

1000

Kibibits

1024

Megabits

1000e2

Mebibits

1024e2

Gigabits

1000e3

Gibibits

1024e3

Terabits

1000e4

Tebibits

1024e4

Petabits

1000e5

Pebibits

1024e5

Exabits

1000e6

Exbibits

1024e6

Zettabits

1000e7

Zebibits

1024e7

Yottabits

1000e8

Yobibits

1024e8

Information Storage

Units of bytes commonly represent the amount of stored information.

Decimal Bytes

Coefficient

Binary Bytes

Coefficient

Kilobytes

1000

Kibibytes

1024

Megabytes

1000e2

Mebibytes

1024e2

Gigabytes

1000e3

Gibibytes

1024e3

Terabytes

1000e4

Tebibytes

1024e4

Petabytes

1000e5

Pebibytes

1024e5

Exabytes

1000e6

Exbibytes

1024e6

Zettabytes

1000e7

Zebibytes

1024e7

Yottabytes

1000e8

Yobibytes

1024e8

Topics

Accessing Predefined Common Units

Accessing Predefined Binary Units

Accessing Predefined Decimal Units