Digital Media Devices Guide

Module IX – Digital Media Devices

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News: T-Mobile's G1 Gets Visual Voice
Mail, Opera Browser
Source: http://www.cio-today.com/
November 25, 2008 8:39AM
A visual voice-mail application from PhoneFusion and the Opera Mini 4.2 browser have
become available for T-Mobile's G1 smartphone powered by Google's Android mobile
operating system. The free Opera Mini browser runs faster than the beta and is also available
for the Samsung Instinct and newer phones from Sony Ericsson and Nokia.
A new visual voice-mail application and the Opera Mini browser were made available Monday for T-Mobile's
Android-based G1 smartphone. The Opera Mini 4.2 mobile browser, released as a beta earlier this month, is
now out in a free final version. It includes a performance increase of up to 30 percent over the beta, thanks
to a farm of U.S.-based servers that preprocess and compress Web requests. It also includes skins, syncing
with notes, support for multiple languages, and other features.
Opera Software describes the browser as "the world's most popular mobile Web browser," with more than
20 million users. Other features include staying in touch with friends via Facebook, searching with Google,
and secure online banking,
The browser is also available for the Samsung Instinct and newer Sony Ericsson and Nokia phones. It offers
browsing of full Web pages, with the user being able to zoom into a page whose text has been formatted
correctly for the small screen.
The Opera Mini browser is available from the Opera Software site, as well as the Android Market, a Google
app store comparable to Apple's iPhone App Store. The Android Market is also offering the beta version of
Fusion Voicemail Plus from Ft. Lauderdale, Fla.-based PhoneFusion.

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Module Objective
• Magnetic Tapes
• Floppy Disk
• Compact Disk (CD)
• Digital Versatile Disk (DVD)
• Blu-Ray
• Network Attached Storage (NAS)
• iPod and Zune
• Flash Memory Cards
• Secure Digital (SD) Memory Card
• Solid-State Drive (SSD)
• Tape Libraries and Autoloaders
• Hybrid Hard Drive
• USB Flash Drive
• Different Models of Digital Devices
This module will familiarize you with:

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Module Flow
Magnetic Tapes
Different Models of
Digital Devices
Flash Memory Cards
Blue-Ray
Secure Digital (SD)
Memory Card
Floppy Disk
USB Flash Drive
DVD
Network Attached
Storage (NAS)
Solid-State Drive (SSD)
Tape Libraries and
Autoloaders
iPod and Zune

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Digital Storage Devices

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Digital Storage Devices
Magnetic Tapes
Floppy
CD
• CD-ROM
DVD
• DVD-R/ DVD+R
• DVD-RW/ DVD+RW
• DVD+R DL/ DVD-R DL/ DVD-RAM
Blu-Ray

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Digital Storage Devices (cont’d)
Flash Memory Cards
USB Flash Drive
Network Attached Storage (NAS)
Secure Digital Input Output (SDIO)
Solid-State Drive
Tape Libraries and Autoloaders
Hybrid Hard Drive
ExpressCard

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Magnetic Tape
Magnetic tape is a non-volatile storage medium
consisting of a magnetic coating on a thin plastic strip
It is used for video, audio storage, and general purpose
digital data storage
Data is stored in frames across the width of the tape
Frames are grouped into blocks or records which are
separated from other blocks by gaps
Magnetic tape is a serial access medium

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Magnetic Tape

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Floppy Disk
• Soft magnetic disk
• Less expensive
• Portable
Features:
• 8-inch
• Designed and invented by IBM
• 5¼-inch
• Storage capacity varies from 100K to 1.2MB
(megabytes) of data
• 3½-inch
• Storage capacity varies from 400K to 1.4MB
Floppies come in three basic
sizes:

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Compact Disk
A Compact Disk (CD) is an optical disk to store digital data
It is made up of pure polycarbonate plastic disk
In a CD, data is stored as a series of tiny indentations (pits), encoded in a tightly
packed spiral track of pits molded into the top of the polycarbonate layer
Infrared 780 nm laser is used to write data on a CD
Types of CDs:
• CD-ROM
• CD-R/W

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CD-ROM
Compact Disk Read-Only Memory
Each CD-ROM sector is 2352 bytes, and contains 2048 bytes of PC Data,
2336 bytes of PSX/VCD Data or 2352 bytes of AUDIO
A standard 120 mm CD-ROM holds 650 or 700 MB of data

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DVD
DVD is also known as "Digital Versatile disk" or "Digital Video disk”
DVDs use a 650-nm-wavelength red laser
It has enough space to store a full-length, MPEG-2-encoded movie, as well as a lot
of other information
Like a CD, the data on a DVD is encoded in the form of small pits and bumps on
the track of the disk
• Higher-density data storage
• Less overhead, more area
• Multi-layer storage
DVDs can store more data than CDs
because of:

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DVD
Data Tracks on a DVD DVD-R Read/Write Side

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DVD-R, DVD+R, and
DVD+R(W)
• DVD-R is a DVD recordable format
• It has storage capacity of 4.7 GB
DVD-R:
• A DVD+R is a writable optical disk with 4.7 GB of
storage capacity
• DVD+R disks can be written only once
DVD+R:
DVD+R(W) has a more robust error management
system than DVD-R(W)

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DVD-RW, DVD+RW
• A DVD-RW is a rewritable optical disk with storage
capacity equal to a DVD-R, typically 4.7 GB
• The primary advantage of DVD-RW over DVD-R is the
ability to erase and rewrite on a DVD-RW disk
DVD-RW:
• A DVD+RW is a rewritable optical disk with storage
capacity equal to a DVD+R, typically 4.7 GB
DVD+RW:
Both disks are used for volatile data storage such as backups

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DVD+R DL/ DVD-R DL/
DVD-RAM
• DVD+R DL is a dual layer writeable DVD+R
• DVD-9:
• The dual layered disks can hold 7.95 GB data
• DVD-18:
• The dual layered double sides disks can hold 15.9 GB data
DVD+R DL:
• DVD-R DL or DVD-R9 is a dual layer writeable DVD-R
DVD-R DL:
• DVD-RAM has the best recording features but it is not compatible with
most DVD-ROM drives and DVD-Video players
• It is usually used in some DVD Recorders
DVD-RAM:

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Blu-Ray
Blu-ray is the next-generation digital video disk patented by SONY
With their high storage capacity, Blu-ray disks can hold and play back large
quantities of high-definition video and audio, photos, and other digital content
Blu-Ray disks use 405 nanometer blue-violet lasers
A single-layer Blu-ray disk can hold up to 27 GB of data and a double-layer Blu-
ray disk can store up to 50 GB of data

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Blu-Ray (cont’d)
• Records high-definition television (HDTV) without
any loss in quality
• Instantly skips to any spot on the disk
• Records one program while watching another on the
disk
• Creates playlists
• Edits or reorders programs recorded on the disk
• Automatically searches for an empty space on the
disk to avoid recording over a program
• Accesses the web to download subtitles and other
extra features
Advantages:

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Network Attached Storage (NAS)
Network Attached Storage (NAS) is a dedicated hard disk-based
storage technology
It is designed to be connected directly to a computer network,
providing centralized data access to multiple network clients
A single hardware device, called the NAS box or NAS head, acts as the
interface between the NAS and network clients

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iPod
The iPod is a brand of portable media players designed and
marketed by Apple Computer
The full-sized model stores media on a built-in hard drive, while
the smaller iPod nano and iPod shuffle uses flash memory
iPod supports MP3, WAV, M4A/AAC, Protected AAC, AIFF,
Audible audio book, and Apple Lossless audio file formats
• If the host computer runs Windows, the iPod uses a FAT32 file
system format
• If the host computer runs Mac OS X, the iPod uses HFS-Plus
format
iPod can function as a mass storage device
to store data files:

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Zune
A portable MP3 player developed by Microsoft
Corp
Zune consists of a 3-3.5" LCD display and has a
built-in FM tuner which works with American,
European, and Japanese frequencies
It has a Wi-Fi connectivity and is compatible
with WLAN 802.11

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Flash Memory Cards
A memory card or flash memory card is a solid-state electronic flash memory data
storage device
It is used with digital cameras, handheld and laptop computers, telephones, music
players, video game consoles, and other electronics
• Secure Digital (SD)
• CompactFlash (CF)
• Memory Stick (MS)
• MultiMediaCard (MMC)
• xD-Picture Card (xD)
• SmartMedia (SM)
The most popular types of flash
memory cards used in digital
cameras are:

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Secure Digital (SD) Memory Card
• The SD Memory Card measures a mere 24mm x
32mm x 2.1mm
Compact and slim:
• SD cards currently range in size from 16MB up
to 4GB
Large capacity:
Links various kinds of digital equipment through its easy connectivity
features that support a host of application formats
Features:

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Secure Digital (SD) Memory
Card (cont’d)
• It allows high volume data transfer
High-speed data transfer:
• It assures a high level of protection against illegal
copying
Copyright protection:
• Expansion of networking possibilities
Expandability-SDIO:
Features:

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Secure Digital High Capacity
(SDHC) Card
The SD High-Capacity (SDHC) card provides more removable
storage power than ever before
The capacity range is from 4GB to 32GB
The three SDHC speed classes are - Class 2, Class 4, and Class
6 - transfer data at least 2, 4, and 6MB per second
It preserves photographic integrity and raises the memory
performance bar by guaranteeing minimum performance rates

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Secure Digital Input Output
(SDIO) Card
SDIO card is an interface that extends the functionality of devices by
using a standard SD card slot to give new capabilities to devices
• GPS
• Camera
• Wi-Fi
• FM radio
• Ethernet
• Barcode readers
• Bluetooth
The list of new capabilities includes:

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Secure Digital Input Output
(SDIO) (cont’d)

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Compact Flash (CF) Memory
Card
CF Card also called CF memory card is a small removable mass
storage device
Compact Flash cards contain memory chips and a controller
CF cards with storage capacity of more than 2GB use the FAT32
file system
There are two types of Compact Flash cards: Type I (3.3mm
thick) and Type II (5mm thick)
CF memory Cards are designed with flash technology, a non-
volatile storage solution that does not require a battery to retain
data indefinitely
These are faster and more reliable and consume only five percent
of the power required by small disk drives

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Memory Stick (MS) Memory
Card
• Theoretical maximum capacity is 32GB
High Capacity:
• In the parallel mode, data is transferred at speeds up to 160Mbps
(theoretical value)
• It can write at speeds of 15Mbps or higher
High Speed Data Transfer Technology:
• Copyright protection and data security
Highly Reliable Security:
It is an IC recording media designed to record various kinds of digital
content on a single stick
It is compact, light, reliable, and easy to handle
Features:

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Multi Media Memory Card
(MMC)
MultiMedia Card (MMC) is a tiny memory card that
makes storage portable among various devices with a
MultiMedia Card-compliant slot
Reduced-size MultiMedia Card (RS-MMC) is specially
designed for mobile phones; with an adapter it can be
used as a regular size MMC card
A 64MB MultiMedia Memory Card holds 64 minutes of
MP3 or about 40,000 book pages

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xD-Picture Card (xD)
xD-Picture Card is a reusable and removable digital media with
an ultra-compact design about the size of a postage stamp
It is available in 16MB, 32MB, 64MB, 128MB, 256MB, 512MB,
1GB, and 2GB capacities
An xD card is 20 mm × 25 mm × 1.78 mm and weighs 2.8 grams
• Fast in comparison with older formats
• Small form-factor in comparison with other formats
• Have a low power consumption
• Small in size, which allows devices to be smaller,
especially USB flash drives
Advantages:

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SmartMedia Memory (SM) Card
SmartMedia is a flash memory card standard owned
by Toshiba
A SmartMedia card consists of a single NAND flash
EEPROM chip embedded in a thin plastic card
• Size: 45.0 × 37.0 × 0.76 mm
• Capacities: 2, 4, 8, 16, 32, 64, 128 MB
• Data transfer rate: 2MB/s
• 1,000,000 read/write cycles

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Solid-State Drive (SSD)
A solid-state drive (SSD) is a data storage
device that uses solid-state memory to store
persistent data
Electronic circuitry is built using
semiconductors
Advantage of SSD over magnetic hard drives
are:
• Less power usage
• Faster data access
• Higher reliability

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Tape Libraries and Autoloaders
The most common approach to ease the burden of backup and restoring of data is the tape
library or autoloader
Autoloaders are the data storage devices with at least one tape drive
Larger autoloaders with multiple drives are known as tape libraries
A tape library is one or more tape backup drives in an enclosure that contains a robotic
mechanism for changing tapes
Tape libraries are commonly used for centralized backup and restore

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Barracuda Hard Drives
Barracuda desktop drives deliver superior performance, reliability, and
value for all the applications
• Capacities from 80 GB to 1.5 TB
• Perpendicular recording technology
• Wide range of cache options, from 2 MB to 32
MB
• Eco-friendly power levels
Features and benefits:

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Hybrid Hard Drive
Hybrid hard drive is a hard disk drive that also
contains flash memory
It offers several advantages compared to conventional
HDDs
The power consumption of the hybrid hard drive is less
than that of the hard disk drive
It allows computers to boot quickly
It gives longer life expectancy due to the reduction in
time in operating motor and electronic components

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Benefits of Hybrid Hard Drive

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Holographic Data Storage
Holographic memory allows high record density together with
maximum data access speed
It is achieved due to the holographic image (hologram) coded in one
big data block which is recorded at one access
The device first splits a blue argon laser beam into separate reference
and object beams
The object beam that carries the information gets expanded so that it
fully illuminates a spatial light modulator (SLM)
To read the stored data, the hologram is illuminated with the
reference beam

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Holographic Data Storage
(cont’d)

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ExpressCard
ExpressCard technology is designed to deliver high-performance, modular
expansion to both desktop and notebook computers
Users are able to add memory, wired and wireless communications, multimedia,
and security features by inserting ExpressCard modules into the compliant
systems
• A smaller and faster PC card solution
• Suitable for mobile and desktop systems
• Supports USB 2.0 and PCI Express applications
Advantages:

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USB Flash Drives
These are NAND-type flash memory data storage devices integrated
with a USB interface
Memory capacity typically ranges from 8 megabytes up to 64
gigabytes
Use the USB mass storage standard which is supported by Linux,
Mac OS X, and Windows XP
Flash drive consists of a small printed circuit board in a robust
plastic or metal casing
• Small and lightweight
• Removable
• Rewritable
• Faster and holds more data
• Reliable
• Requires no other external power source
Advantages:

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USB Flash in a Pen

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E-ball Futuristic Computer
Apostol Tnokovski designed a PC concept that is of an orb-shaped PC which
is called as E-ball
It comes with a projected display and keyboard
It uses an IR sensor to recognize the keys pressed

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Different Models of Digital Devices

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Different Types of Pocket Hard
Drives
Seagate 5GB USB 2.0
Pocket Hard Drive
Targus - 40GB Ultra Slim
Pocket Hard Drive
Buffalo MiniStation Pocket Sized
External Hard Disk Drive
Pocket size hard drive
Micro Hard Drive

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Different Types of Network-
Attached Storage Devices
Netgear ReadyNAS Duo Netgear ReadyNAS NV+
Synology Disk Station DS207+ Maxtor Shared Storage II

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Different Types of Digital Camera
Devices
Olympus C-5060 Digital Camera
DIGIGR8 digital cameras
Pentax X-Change camera Canon EOS 40D Digital Camera

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Different Types of Mini Digital
Cameras
Panasonic SV-AV10 e-wear
BenQ 300mini
SiPix StyleCam Blink Aiptek Mini PenCam
Rolleiflex MiniDigi AF5.0

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Different Types of Digital Video
Cameras
Panasonic HDC-SX5 camcorder Audiovox DC400
Canon HR10 Samsung SC-DC575

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Cameras (cont’d)
Oregon
Aiptek IS-DV2
Xacti Digital
Camera VPC-CG9
Digital Video Glasses

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Different Types of Mobile Devices
Readius – rollable display
enabled mobile device
Motorola – MPx Pocket
PC Phone
Telescope Lens for
Mobile Phones
TV Dual-Sim-Card Mobile
Phone-- TMJ668

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Different Types of Mobile Devices
(cont’d)
F88 Wrist Watch Mobile Phone
Apple – iPhone
Ultra Mobile Devices (UMD)

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Mobile Devices in the Future
The futuristic mobile device uses a touch screen, built-in camera,
scanner, WiFi, Google Maps, Google Search, image search, etc.
This helps in knowing the details of the image seen from the device

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Different Types of Digital Audio
Players
IRiver S7 Digital Audio Player
Panasonic SV-SD300
digital audio player
GoGear Flash audio player
Apple Ipod Shuffle

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Players
Apple iPod Classic Tiny Digital Video Player
Tanko - Eco-Friendly Solar
Powered Digital Audio Player
Philips GoGear Digital Audio
Video Player SA9345 VI

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Different Types of Laptop
computers
Transparent laptop computer
M230 Rugged Laptop Computer
Apple - Macbook Air
Lenovo - ThinkPad X61 Tablet Laptop
Computer with Mobile Broadband

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Solar Powered Concept for
Laptop Gadget

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Different Types of Bluetooth
Devices
BlueAnt X3 Micro
Bluetooth Headset
Motorola H5 Miniblue
Bluetooth Headset
Sony's DRBT21GB Stereo
Bluetooth Headset Parrot Minikit

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Different Types of USB Drives
External USB DVR for Ipod and USB drives Super Talent Pico USB drive
SanDisk USB drives

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Summary
In a CD, data is stored as a series of tiny indentations (pits), encoded in a tightly
packed spiral track of pits molded into the top of the polycarbonate layer
Network Attached Storage (NAS) is a dedicated hard disk-based storage
technology
The iPod is a brand of portable media players designed and marketed by Apple
Computer
A solid-state drive (SSD) is a data storage device that uses solid-state memory to
store persistent data
Barracuda desktop drives deliver superior performance, reliability, and value for
all the applications
Hybrid hard drive is a hard disk drive that also contains flash memory

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Digital Media Devices Guide

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