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Computer engineering 1 > vocal 1 > Flashcards

vocal 1 Flashcards

1
Q

This process protects data by adding extra information that can be used to rebuild data if a drive fails

A

Disk Stripping With Parity

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2
Q

The geometry value that describes the number of sectors in each track.

A

Sectors Per Track

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3
Q

Today the most often used method to move the actuator arms in a Hard Drive

A

Voice Coil

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4
Q

This determines where a hard drive stores data

A

Geometry

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5
Q

The onboard circuitry of the drive that translates logical geometry to the physical geometry

A

Sector Translation

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6
Q

The traditional I/O addressing scheme, where the CPU talks directly to the hard drive via the BIOS to send and receive data. There are three different speeds.

A

PIO Modes

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7
Q

ATA-4 introduced this new mode and it is now the primary way a hard drive communicates with a PC.

A

Ultra DMA

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8
Q

Is composed of individual platters, with read/write heads on actuator arms controlled by a servo motor- all contained in a sealed case that prevents contamination by outside air.

A

HDD

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9
Q

One of the two technologies used to move the arms in a hard drive. (not voice coil)

A

Stepper Motor

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10
Q

An advanced method of RLL that uses powerful, intelligent circuitry to analyze each flux reversal and make a “best guess” as to what type of flux reversal it just read.

A

PRML

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11
Q

ATA-7 introduced this the fastest and probably least adopted of all of the ATA speed, Ultra DMA mode 6.

A

ATA/133

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12
Q

ATA Hard Drives are often referred to as this type of drive.

A

IDE

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13
Q

A number ranging from 0 to 15 which provides a way for the host adapter to tell one device from another.

A

SCSI ID

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14
Q

Spreading data among multiple drives. This provides no redundancy.

A

Disk Striping

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15
Q

Another name for actuator arms which move the read/writ heads across the platter on the hard drive.

A

Head Actuator

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16
Q

Another name for ATA-6 which increased the limit of hard drives to 144 petyabytes (144,000,000GB)

A

ATA/ATAPI6

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17
Q

An extension to the ATA specification that enables non-hard drive devices such as CD_ROM drives and tape backups to connect the PC via the ATA controllers

A

ATAPI

18
Q

Using a separate controller on each drive. With two drives, each on a separate controller, the system will continue to operate even if the primary drive’s controller stops working.

A

Disk Duplexing

19
Q

A type of drive with no moving parts. It is faster and cooler than a regular hard drive.

A

SSD

20
Q

Helps predict when a hard drive is going to fall by monitoring the hard drive’s mechanical components.

A

S. M. A. R. T.

21
Q

Creates the ability of the Hard Drive to lie to the computer about its geometry through an advanced type of sector translation

A

LBA

22
Q

The process of reading and writing data at the same time to two drives

A

Disk Mirroring

23
Q

A tiny car that you plug directly into the 40-pin connector on a PATA drive that enables you to install a parallel ATA device, including a hard drive, optical drive, and other devices, to a serial ATA controller

A

SATA Bridge

24
Q

A specific piece of track on a sliver, and each sector stores 512 bytes of data

A

sector

25
Q

These types of devices connect together in a string of devices called a chain

A

SCSI

26
Q

Putting something on the ends of the wire to prevent an echo

A

Termination

27
Q

A group of tracks of the same diameter on a hard drive.

A

Cylinder

28
Q

This type of interface started around 1990, and now virtually monopolizes the hard drive market

A

ATA

29
Q

A series of improvements to the ATA standard is also called ATA-2

A

EIDE

30
Q

A method to enable the hard drives to talk to RAM directly, using old-style DMA commands

A

DMA Modes

31
Q

A series of SCSI devices working together through a host adapter

A

SCSI Chain

32
Q

A point-to-point connection between the SATA device- HARD DISK, CS-ROM, CD-RW DVD-ROM, DVD-RW, BD-R, BD-RE, and so forth and the SATA controller

A

HBA

33
Q

Extends the SATA bus to external devices.

A

ESATA

34
Q

Each circle on a hard disk where you store data on the drive

A

Track

35
Q

This new set of BIOS commands allows a system to handle drives up to 137 GB

A

INT 13

36
Q

Each platter on a hard disk requires two of these to read/write and store data on the disk

A

Heads

37
Q

Also referred to as parallel ATA and send data in parallel, on 40 or 80 wired data cables

A

PATA

38
Q

Using multiple drives for data protection and increasing speeds

A

RAID

39
Q

This is the name used to describe the casing of external hard drives

A

External Enclosure

40
Q

The first ATA drives used this to connect to the computer by plugging into the drive and into a hard drive controller

A

40-Pin Ribbon Cable

41
Q

This technology has replaced parallel ATA. It sends data in serial, using only one wire for data transfers

A

SATA

42
Q

This type of cable uses additional wires that acts as grounds to improve the cable’s capability to handle high speed signals

A

80- wire Cable

Computer engineering 1 (10 decks)

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