Tabelul I
|
Denumire
|
Simbol
|
inainte de standardizare
|
dupa standardizare
|
||||||
|
Bit / bit
|
b
|
1
|
bit
|
=
|
1 bit
|
1
|
bit
|
=
|
1 bit
|
|
Byte
|
B
|
1
|
B
|
=
|
8 bit
|
1
|
B
|
=
|
8 bit
|
|
Kilobit
|
kbit / kb
|
1
|
kbit
|
=
|
1024 bit
|
1
|
kBit
|
=
|
1000 bit
|
|
Kibibit
|
KiBit
|
|
|
|
|
1
|
KiBit
|
=
|
1024 bit
|
|
Kilobyte
|
kB
|
1
|
kB
|
=
|
1024 B = Byte
|
1
|
kB
|
=
|
1000 Byte
|
|
Kibibyte
|
KiB
|
|
|
|
|
1
|
KiB
|
=
|
1024 Byte
|
|
Megabit
|
MBit / Mb
|
1
|
MBit
|
=
|
1024 KBit
|
1
|
MBit
|
=
|
1000 kBit
|
|
Mebibit
|
MiBit / Mib
|
|
|
|
|
1
|
Mib
|
=
|
1024 KiBit
|
|
Megabyte
|
MB
|
1
|
MB
|
=
|
1024 kB
|
1
|
MB
|
=
|
1000 kB
|
|
Mebibyte
|
MiBit / MiB
|
|
|
|
|
1
|
MiB
|
=
|
1024 KiB
|
|
Gigabit
|
GBit / Gb
|
1
|
GBit
|
=
|
1024 MBit
|
1
|
GBit
|
=
|
1000 MBit
|
|
Gibibit
|
GiBit / Gib
|
|
|
|
|
1
|
Gib
|
=
|
1024 MiBit
|
|
Gigabyte
|
GB
|
1
|
GB
|
=
|
1024 MB
|
1
|
GB
|
=
|
1000 MB
|
|
Gibibyte
|
GiB
|
|
|
|
|
1
|
GiB
|
=
|
1024 MiB
|
|
Terabyte
|
TB
|
1
|
TB
|
=
|
1024 GB
|
1
|
TB
|
=
|
1000 GB
|
|
Tebibyte
|
TiB
|
|
|
|
|
1
|
TiB
|
=
|
1024 GiB
|
|
Petabyte
|
PB
|
1
|
PB
|
=
|
1024 TB
|
1
|
PB
|
=
|
1000 TB
|
|
Pebibyte
|
PiB
|
|
|
|
|
1
|
PiB
|
=
|
1024 TiB
|
|
Exabyte
|
EB
|
1
|
EB
|
=
|
1024 PB
|
1
|
EB
|
=
|
1000 PB
|
|
Exbibyte
|
EiB
|
|
|
|
|
1
|
EiB
|
=
|
1024 PiB
|
Tabelul II
| 1 Byte | 8 bits |
| 1024 Bytes | 1 Kilobyte |
| 1024 kiloBytes | 1 Megabyte |
| 1 kiloByte | ca. 8000 bits |
| 1 Megabyte | ca. 8000000 bits |
| 1 kilobit | 1000 bits |
| 1 megabit | 1000000 bits |
Tabelul III
|
Legatura
|
Rata teoretica in KBit
|
Rata optimala in KByte
|
Rata posibila
in KByte |
|||
| 14,4 Modem | 14,4 kbit/s | 1,2 KByte/s | 1 KByte/s | |||
| 28,8 Modem | 28,8 kbit/s | 2,4 KByte/s | 2 KByte/s | |||
| 33,6 Modem | 33,6 kbit/s | 3 KByte/s | 2,5KByte/s | |||
| 56 k Modem | 53 kbit/s | 4,8 KByte/s | 4 KByte/s | |||
| Single ISDN | 64 kbit/s | 6 KByte/s | 5 KByte/s | |||
| Dual ISDN | 128 kbit/s | 12 KByte/s | 10 KByte/s | |||
| DSL - light | 384 kbit/s | 35 KByte/s | 30 KByte/s | |||
| DSL | 1024 kbit/s | |||||
| DSL | 2048 kbit/s | |||||
| DSL | 3072 kbit/s | |||||
| Wlan 802.11a | 54 MBit/s | 23 MBit/s | ||||
| Wlan 802.11b | 11 Mbit/s | 5MBit/s | ||||
| Wlan 802.11g | 54 Mbit/s | 19 MBit/s | ||||
| Wlan 802.11n | 248 Mbits/s | 74 MBit/s |
Tabelul IV
| Noul standard IEC | ||
| bit | bit | 0 sau 1 |
| byte | B | 8 bits |
| kibibit | Kibit | 1024 bits |
| kilobit | kbit | 1000 bits |
| kibibyte (binary) | KiB | 1024 bytes |
| kilobyte (decimal) | kB | 1000 bytes |
| megabit | Mbit | 1000 kilobits |
| mebibyte (binary) | MiB | 1024 kibibytes |
| megabyte (decimal) | MB | 1000 kilobytes |
| gigabit | Gbit | 1000 megabits |
| gibibyte (binary) | GiB | 1024 mebibytes |
| gigabyte (decimal) | GB | 1000 megabytes |
| terabit | Tbit | 1000 gigabits |
| tebibyte (binary) | TiB | 1024 gibibytes |
| terabyte (decimal) | TB | 1000 gigabytes |
| petabit | Pbit | 1000 terabits |
| pebibyte (binary) | PiB | 1024 tebibytes |
| petabyte (decimal) | PB | 1000 terabytes |
| exabit | Ebit | 1000 petabits |
| exbibyte (binary) | EiB | 1024 pebibytes |
| exabyte (decimal) | EB | 1000 petabytes |