Chapter 2 : 2.1.3 Storage Capacity 2017/2018 Faizah Ma'arof

1. At the end of this topic, students
should be able to:
Differentiate various storage capacitya)
1
Computer System
2.1.3 Storage Capacity
Chapter
PDT - 2017/2018

2. 2
Storage Capacity
• Capacity is the number of bytes a storage
medium
can hold

3. 3
Capacity Storage Measured in
● Kilobyte = 1,024 bytes
● Megabyte = 1,024 Kilobyte
● Gigabyte = 1,024 Megabyte
● Terabyte = 1,024 Gigabyte
● Petabyte = 1,024 Terabyte

4. 4
Conversion unit of Capacity Storage
1200 MB = 1200 / 1024
= 1.17 GB
1200 MB = 1200 / 210
= 1.17 GB
1 GB = 1 x 1024 x 1024
= 1 048 576 KB
1 GB = 1 x 210 x 210
=1 048 576 KBOR
OR
P
B
E
B
ZB YBTBGBMBKBBit (b) Byte
(B)
÷
8
÷ 210
÷ 210
÷ 210
÷ 210
÷ 210
÷ 210
÷ 210
÷ 210
x 210
x 210
x 210
x 210
x 210
x 210
x 210
x 210x
8