Ch3: Storage

d

OVERVIEW

STORAGE SYSTEMS CHARACTERSITICS

Storage Media and Storage Devices

Volatility

Logical vs. Physical Representation

Type of Storage Technology Used

Random and Sequential Acess: They are worked to CD or DVD player that are used to play music, moves, and videos. Therefore, CD, DVD, and USB are random access devices.

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Recordable Optical Disc

FLASH MEMORY

USB Flash Drives

OTHER TYPES OF STORAGE SYSTEMS

Network Storage and Online/Cloud storage systems

The World is Flat

Flattener 1

Flattener 2

Flattener 3

Flattener 4, 5, 6

a

Flattener 8,9, 10

Ch4: Input and Output

OVERVIEW

KEYBOARDS

POINTING AND TOUCH DEVICES

Mice

Pens/Stylues

Pen-Based Computers

Digital Writing Systems

Graphics Tablets

Signature Capture Devices

Touch Screens

Other Pointing Devices

Gaming

HARD DRIVES

Magnetic Hard Drives and Solid-State Drives

Mgnetic Hard Drives

Solid-State Drives(SSDs)

Internal and External Hard Drives

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Hard Drive Speed, Disk Caching, and Hybrid Hard Drives

Hard Drive Interface Standards

OPTICAL DISCS

Optical Disc Characteristics

Representing Data on an Optical Disc

Optical Drives

Optical Disc Shapes, Sizes, and Capacities

Read-Only Optical Disc

Rewritable Optical Discs

Flash Memory Cards

Smart Cards

Holographic Storage

Storage Systems for Large Computer Systems

RAID

Magnetic Tape Systems

EVALUATING YOPUR STORAGE ALTERNATIVES