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Chapter 6
Hornet Tech Chapter 6 Vocabulary List 1
25
Computer Science
9th Grade
03/24/2015

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Term
Hard Drive
Definition
The main secondary storage device of a computer.
Term
Two technologies of hard drives
Definition

solid state

magnetic

Term
HDD
Definition
Other term for hard drive
Term
NAND flash memory
Definition

Memory used in SSD drives.

Name refers to logic used when storing a 1 or 0 in the grid of rows and columns on the memory chip

Term
Hybrid Hard Drive
Definition
HDD that uses both magnetic and SSD technologies.  Bulk of storage uses the magnetic component and a storage buffer on the drive is made of an SSD component.
Term
ReadyDrive
Definition
The Windows 7/Vista technology that supports a hybrid hard drive
Term
Low-Level Formatting
Definition
A process (usually performed at the factory) that electronically creates the hard drive tracks and sectors and tests for bad spots on the disk surface.
Term
S.M.A.R.T.
Definition
Self-Monitoring Analysis and Reporting Technology
Term
SMART
Definition
System BIOS and hard drive feature that monitors HDD performance, disk spin up time, temp, distance between head and disk, and other mechanical activities of the drive in order to predict when the drive is likely to fail.
Term

Parallel ATA

(PATA)

Definition

older IDE cableing method that uses a 40-pin flat/round data cable

or an 80-conductor cable and a 40-pin IDE connector

Term

Serial ATA

(SATA)

Definition
An ATAPI interface standard that uses a narrower and more reliable cable than the 80-conductor cable and is easier to configure than PATA systems.
Term
A.N.S.I.
Definition
American National Standards Institute
Term
ANSI
Definition
A nonprofit organization dedicated to creating trade and communications standards.
Term

Enhanced IDE

(EIDE)

Definition
PATA standard that supports the configuration of 4 IDE devices in a system
Term
ATAPI
Definition
An interface standard, part of the IDE/ATA standards, that allows tape drives, optical drives, and other drives to be treated like an IDE hard drive by the system
Term
A.T.A.P.I.
Definition
Advanced Technology Attachment Packet Interface
Term
DMA Tranfer Mode
Definition
A transfer mode used by devices, including the hard drive, to transfer data to memory without involving the CPU.
Term
DMA
Definition
Direct memory access
Term
PIO
Definition
Programmed Input/Output
Term
PIO Transfer Mode
Definition

A transfer mode that uses the CPU to transfer data from the hard drive to memory.

Slower than DMA mode.

Term
S.C.S.I.
Definition
Small Computer System Interface
Term
SCSI
Definition
A fast interface between a host adapter and the CPU that can daisy chain as many as 7 or 15 devices on a single bus.
Term
Solid State Device
Definition
An electronic device with no moving parts.  A storage device that uses memory chips to store data rather than spinning disks.
Term
jump drives, thumb drives, key drives, flash memory cards, solid state disk hard drives
Definition
Examples of Solid State Devices
Term
SSD
Definition

Solid state disk

solid state drive

solid state device

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