Questions and Answers
What is the primary purpose of the NVMe specification?
What is a characteristic of Solid State Hybrid Drives (SSHDs)?
What is a common use case for flash drives?
What is a characteristic of M.2 modules?
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What is the primary advantage of NVMe over traditional SSD interfaces?
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What is a characteristic of optical drives?
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What is a characteristic of Blu-ray Disc (BD) media?
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What is a common use case for Expansion cards?
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What is the primary difference between SATA 1, SATA 2, and SATA 3?
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Which type of storage device uses removable 3.5 inch floppy disks?
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What is a characteristic of Solid-State Drives (SSDs)?
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What is the unit of measurement for the speed of Hard Disk Drives (HDDs)?
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What type of error can ECC – Error Correction Code memory correct in memory?
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What is the primary purpose of Tape Drives?
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What is the purpose of an adapter card?
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Which type of storage represents binary values as magnetized or non-magnetized physical areas of magnetic media?
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What type of expansion slot is commonly used for video adapter or display adapter?
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What is a benefit of Solid-State Drives (SSDs) compared to Hard Disk Drives (HDDs)?
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What type of data storage device is designed to permanently store user data, user applications and the Operating System?
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What is a characteristic of Hard Disk Drives (HDDs)?
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What type of connection is used to connect storage devices inside a computer to the motherboard?
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What type of storage device uses optical media?
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What is the purpose of a video capture card?
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What is the main difference between SATA and Parallel ATA (EIDE)?
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Study Notes
Storage Devices
- Data drives provide non-volatile storage of data, designed to permanently store user data, user applications, and the Operating System.
- Data storage devices can be classified according to the media on which the data is stored: Magnetic, Solid state, and Optical.
SSDs
- SSDs come in three form factors: Disc drive form factor, Expansion cards, and mSata or M.2 modules.
- Non-Volatile Memory Express (NVMe) specification allows SSDs to attach to the PCIe bus without requiring special drivers.
- Solid State Hybrid Drives (SSHDs) are a compromise between a magnetic HDD and an SSD, combining a magnetic HDD with onboard flash memory serving as a non-volatile cache.
Optical Storage Devices
- Optical drives are removable media storage devices that use lasers to read and write data on optical media.
- There are three types of optical drives: Compact Disc (CD), Digital Versatile Disc (DVD), and Blu-ray Disc (BD).
- CD, DVD, and BD media can be pre-recorded (read only), recordable (write once), or re-recordable (read and write multiple times).
Magnetic Media Storage
- Magnetic media storage represents binary values as magnetized or non-magnetized physical areas of magnetic media.
- Common types of magnetic media storage drives include: Hard Disk Drive (HDD), Tape Drive, and Floppy Disk Drive (FDD).
- HDDs have drive motors designed to spin magnetic platters and move the drive heads, with speeds measured in revolutions per minute (e.g., 5400rpm, 7200rpm, 10,000rpm).
- Tape drives use a magnetic read/write head and removable tape cartridge, with common storage capacities varying between a few GBs to many TBs.
Adapter Cards
- Adapter cards increase the functionality of a computer by adding controllers for specific devices or by replacing malfunctioning ports.
- Common adapter cards include: Sound adapter, Network Interface Card (NIC), Wireless NIC, Video adapter or display adapter, and Universal Serial Bus (USB) controller card.
- Computers have expansion slots on the motherboard to install adapter cards, including Peripheral Component Interconnect (PCI), Mini-PCI, PCI eXtended (PCI-X), PCI Express (PCIe), Riser card, and Accelerated Graphics Port (AGP).
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Description
This quiz covers the different form factors of Solid-State Drives (SSDs) and the Non-Volatile Memory Express (NVMe) specification. Learn about the various types of SSDs and their applications.