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Month: September 2000

3.4 Hot Swappable Storage Configuration

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 135 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Hot swappable storage configuration means that you can add and remove the drives while the system is running. It’s common to use a drive chassis with two or more drives,…

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3.4 RAID Configurations

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 134 of 230 in the series Comptia A+ (Plus) 220-1001 Series

RAID configurations are an array of drives and sharing the information over the array. Some RAID configurations are useful to have in the case that a drive fails, you may…

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3.4 Flash Storage

3.4 Flash Storage

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 133 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Flash memory is technically EEPROM (Electrically Erasable Programmable Read Only Memory). They are non-volatile memory, meaning that you can put information on the drive, disconnect it from a computer /…

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3.4 Solid-State Drives

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 132 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Solid state drives (SSDs) are non volatile memory. SSDs have no moving parts. SSDs provide very fast performance since there is no delay due to moving parts such as the…

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3.4 Optical Drives

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 131 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Optical drives have microscopic bumps that are read by laser beams. When you burn data to a disc, it’s not creating bumps. Rather it is darkening certain areas of the…

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3.3 RAM Types

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 130 of 230 in the series Comptia A+ (Plus) 220-1001 Series

RAM stands for Random Access Memory. RAM is where all of the transactions are taking place. When you use a program, the program itself and all the data associated with…

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3.2 Connector Type Identification

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 129 of 230 in the series Comptia A+ (Plus) 220-1001 Series

RJ-11 For phone lines and telephone based Internet connections POTS 6 position, 2 conductor (6P2C) connector. 2 conductor means there are 2 wires in them. However, there is an RJ14…

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3.1 Adapters

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 128 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Adapters allow you to convert different connectors between one interface type to another as long as the interface types are electrically compatible. Adapters can also allow you to convert from…

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3.1 Hard Drive Cables

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 127 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Common internal hard drive interfaces include IDE, SATA, or SCSI. To connect an external hard drive, you’ll probably see USB, eSATA, SCSI, or SAS interfaces. SATA SATA stands for Serial…

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3.1 Serial – Peripheral Cable

3. Hardware (220-1001), Comptia A+ (Plus), Comptia A+ (Plus) 220-1001

This entry is part 126 of 230 in the series Comptia A+ (Plus) 220-1001 Series

Parallel cables are not included in the CompTIA A+ 220-1001 objectives, but I’ll mention it here for background. Parallel cable transmits multiple bits simultaneously. However, electrical signal interference from adjuste…

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