Chapter 8 Power Point

Chapter 8 Power Point - Storage Floppy Disks Hard Disks...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Storage Floppy Disks Hard Disks Optical Discs Other Types Mass Storage Storage Ram is primary storage. Most RAM is volatile, meaning that it loses its contents whenever power is disrupted. Secondary storage provides nonvolatile storage. Secondary storage retains data and information after the computer system is turned off. Storage Writing is the process of saving information to secondary storage devices. Reading is the process of accessing information from secondary storage.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Storage Important characteristics of secondary storage include: •Media or medium – actual physical material that retains data and programs. •Capacity – how much a particular storage medium can hold. •Storage devices – hardware that reads and writes to storage media. Storage Important characteristics of secondary storage include (continued): •Access time or access speed – time required to retrieve data from secondary storage devices. Floppy Disks Floppy disks are also known as diskettes, disks, flexible disks, and floppies. Floppy disk drives (FDD) store data and programs by charging the disk’s surface. Important aspects include: •Traditional Floppy Disk •High-Capacity Floppy Disks
Background image of page 2
3 Floppy Disks Traditional Floppy Disk The traditional floppy disk is the 1.44 MB 3½ inch disk. 2HD indicates two-sided high density disk. Disks have shutters that open to provide access to the recorded surface, labels to record disk content, and write-protection notches to allow or prohibit writing to the disk. Floppy Disks
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 10

Chapter 8 Power Point - Storage Floppy Disks Hard Disks...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online