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SSD Components and Interfaces Quiz

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Questions and Answers

What is the primary purpose of using volatile RAM-based SSDs?

To provide higher reliability for data storage
To enable fast data access when applications require it (correct)
To allow only a finite number of writes over the device lifetime
To store data in a non-volatile state without any moving parts

How does volatile RAM-based SSDs store data during data access?

In the DRAM (correct)
In the internal chargeable battery
In NAND memory microchips
In a non-volatile state without any moving parts

What is the main characteristic of NAND-based SSDs compared to volatile RAM-based SSDs?

They store data in non-volatile NAND memory microchips
They require fast data access for applications
They allow only a finite number of writes over the device lifetime (correct)
They use an internal chargeable battery

Which type of SSD is widely used today in mobile devices, digital cameras, and MP3 players?

NAND-based SSDs (C) Signup and view all the answers

What is the primary function of DRAM in an SSD?

To increase the read/write performance (C) Signup and view all the answers

What is the purpose of the wear leveling function in SSD firmware?

To spread writes across different chips to use them at the same rate (B) Signup and view all the answers

How does the trim function in SSD firmware affect unallocated space?

It wipes the unallocated space of the device (A) Signup and view all the answers

Which SSD host interface is commonly used based on different performance requirements?

Peripheral Component Interconnect Express (PCIe) (B) Signup and view all the answers

What is the main advantage of a Solid-State Drive (SSD) over a Hard Disk Drive (HDD)?

SSDs use NAND flash memory chips and have no moving parts, making them faster than HDDs (B) Signup and view all the answers

How does the structure of a 4K sector differ from that of a 512-byte sector?

4K sectors remove redundant header areas between sectors and use identification and synchronization characters for ECC (D) Signup and view all the answers

In disk capacity calculation, what does the CHS addressing method specify for each physical block of data on a hard disk?

The cylinder, head, and sector of the data block (A) Signup and view all the answers

What is the total capacity of a disk drive with 8,192 cylinders, 64 heads, and 56 sectors per track, assuming each sector has 1KB?

$2,821,220,864$ bytes (D) Signup and view all the answers