#HardDisk #HardDiskMCQ #HardDiskQuestions
Hard Disk | Best 35 Questions | Seek Time, Latency Time | Tracks, Sectors | Disk Access Time | Formatting | Hard Disk in Hindi | Hard Disk Architecture | Magnetic Disk | Hard Disk Drives Explained | Best Hard Disk Company | Hard Disk RPM | Arora Educator | By-Sachin Arora Sir | ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
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⭐️What is Hard Disk? ⭐️
➤ Hard disks are flat, circular plates made of aluminium or glass and coated with a magnetic material.
➤ Hard disks for personal computers can store up to several gigabytes (billions of bytes) of information. Data are stored on their surfaces in concentric tracks.
➤ In a computer, an HDD is commonly found in the drive bay and is connected to the motherboard via an ATA, SATA or SCSI cable. The HDD is also connected to a power supply unit and can keep stored data while powered down.
➤ There are two types of drives: HDD (hard disk drive) and SSD (solid-state drive). HDDs are installed in most PCs and laptops.
➤ These drives have become popular because they provide a lot of space (up to 4 TB on a single HDD), high reliability and stability during reading and writing operations.
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⭐Seek Time & Latency Time.⭐
➤ Seek time is the time taken for a hard disk controller to locate a specific piece of stored data.
➤ Disk latency refers to the time delay between a request for data and the return of the data.
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