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Memory Card
Memory card commonly known as a multimedia memory
card, this storage device is quite small, typically ranging from
1 to 1.5 inches in size. It is frequently used in mobile phones
and digital cameras. To access the data stored on the memory
Memory Card
card, you need a card reader.
Solid State Drive (SSD)
An SSD is a type of storage device that holds information,
like your pictures, games, and documents. An SSD uses the
technique of flash memory to store data. It is much faster than
a hard disk. SSDs are more durable and reliable than hard disks. SSD
They come in various capacities, typically 128 GB to several
TBs. Nowadays, desktop computers and laptops come with
SSD instead of traditional hard disk.
Boost Bits
The pen drive was invented in 1998 by IBM.
MEASURING THE COMPUTER’S MEMORY
The fundamental unit for measuring computer memory is the byte. A byte consists
of eight bits and represents a single character of data. A group of four bits is called
a nibble, which is half a byte. Larger units used to measure computer memory
include Kilobyte (KB), Megabyte (MB), Gigabyte (GB), and Terabyte (TB).
1 Kilobyte (KB) equals 1024 bytes.
1 Megabyte (MB) equals 1024 KB.
1 Gigabyte (GB) equals 1024 MB.
The human brain can hold about
1 Terabyte (TB) equals 1024 GB. 2.5 Petabytes of information,
equivalent to a TV show being
1 Petabyte (PB) equals 1024 TB.
played for approximately 342
1 Exabyte (EB) equals 1024 PB. years non stop.
1 Zettabyte (ZB) equals 1024 EB.
1 Yottabyte (YB) equals 1024 ZB.
Computers—Storage and Memory Device 11

