Storage Devices and Power Supplies Chapter
Chapter Storage Devices and Power Supplies 2 THE FOLLOWING COMPTIA A+ 220-801 EXAM OBjECTIVES ARE COVERED IN THIS CHAPTER: NÛ 1.5 Install and configure storage devices and use appropriate media. NNOptical drives: CD-ROM, DVD-ROM, Blu-Ray NNCombo drives and burners: CD-RW, DVD-RW, Dual Layer DVD-RW, BD-R, BD-RE NNConnection types NNExternal: USB, Firewire, eSATA, Ethernet NNInternal SATA, IDE and SCSI: IDE configuration and setup (Master, Slave, Cable Select), SCSI IDs (0 – 15) NNHot swappable drives NNHard drives: Magnetic, 5400 rpm, 7200 rpm, 10,000 rpm, 15,000 rpm NNSolid state/flash drives: Compact flash, SD, Micro-SD, Mini-SD, xD, SSD NNRAID types: 0, 1, 5, 10 NNFloppy drive NNTape drive NNMedia capacity: CD, CD-RW, DVD-RW, DVD, Blu-Ray, Tape, Floppy, DL DVD NÛ 1.8 Install an appropriate power supply based on a given scenario. NNConnector types and their voltages: SATA, Molex, 4/8-pin 12v, PCIe 6/8-pin, 20-pin, 24-pin, Floppy NNSpecifications: Wattage, Size, Number of connectors, ATX, Micro-ATX NNDual voltage options As a PC technician, you need to know quite a bit about hard- ware. Given the importance and magnitude of this knowledge, the best way to approach it is in sections. The frst chapter introduced the topic via the primary core components, and this chapter follows up where it left off. Specifcally, this chapter focuses on storage devices and power supplies. Identifying Purposes and Characteristics of Storage Devices What good is a computer without a place to put everything? Storage media hold the data being accessed as well as the fles the system needs to operate and data that needs to be saved.
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