Q-1What is Pixel?
Q-2What is HDD?Briefly explain its configuration?
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Q-1=In digital imaging, a pixel, pel, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.
Q-2=A hard disk drive (sometimes abbreviated as a hard drive, HD, or HDD) is a non-volatile data storage device. ... Data is written to the platters using a magnetic head, which moves rapidly over them as they spin. Internal hard disks reside in a drive bay, connected to the motherboard using an ATA, SCSI, or SATA cable.
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