Units for measuring information

Содержание и основные понятия

▪ Contents
Section 12.2
Units for measuring information
From bat to terabyte.
Computer science multiplier 1024=2
10
Bit is minimum, byte is 8 bits, then BB, MB, GB, TB.
GEF 7 kL
OGE No. 1
01
Stairway of units
1 byte = 8 bits
1 kB = 1,024 bytes = 2
10
1 MB = 1024 KB = 2
20
1 GB = 1024 MB = 2
30
1 TB = 1024 GB = 2
40
02
Visible pyramid: Bit TB
Press the unit — Canvas will show how much "Zoren" it contains.
Press one to see the structure.
03
Two steps.
Degree
Meaning
Computer science
Physics
Variance
2
10
1 024
1 KB
1,000 (kilo)
+2.4%
2
20
1 048 576
1 MB
1 million (mega)
+4.9%
2
30
1 073 741 824
1 GB
1 billion (giga)
+7.4%
2
40
1 099 511 627 776
1 TB
1 trillion tera
+10.0%
Disk manufacturers
use decimal places (10
9
), therefore "1 TB" on the box = ~931 GB in fact.
04
Twin vs decimal
Dual (2
n
)
1 073 741 824
1 GB = 2
30
Decimal (10
9
)
1 000 000 000
1 GB = 10
9
64 GB flash drive
= 64×10
9
Byte: 64,000,000 / 2
30
≈
59.6 GB
.
05
Converter
🔄
Translation of units
Meaning
Unit
06
Task bank (7)
✍
Tasks of the EEG
07
Mini test (5 out of 40)
XP:
0
0/0
Press Start Quest