what is hard disk and its type

hard disk

A hard disk drive (HDD), hard disk, hard drive or fixed disk is a data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

hard disk

types of a hard disk

Currently, we can group hard drives into 5 types:

Parallel Advanced Technology Attachment (PATA)
Serial ATA (SATA)
Small Computer System Interface (SCSI)
Solid State Drives (SSD)
AND ID hard disk this is not in use now

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what is a blue ray disk

blue ray disk Blu - ray or Blu - ray Disc (BD) is a digital optical disc data storage format. It was designed to supersede the DVD format, in that it is capable of storing hours of video in high-definition (720p and 1080p) and ultra high-definition resolution (2160p). this is a blue ray disk thanks

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aaj mai aap ko kuch impotent knowledge btaonga jo aap ko system ke bare mai pta honi zaruri hai 1st - system ka processor kitne type ka hota hai A- LGA ye bina pin vala hota hai land grid array ( LGA ) this is a LGA processor B-PGA ye pin vala hota hai pin grid array (PGA) this is a PGA processor now LGA vs PGA aap is image mai saaf dekh sak te ho LGA or PGA mai difference thanks

TO MAI BTATA HU RAM KI PHCHAN RAM 5 TYPE KI HOTI JO AB USE HOTI HAI OR 1 TYPE KI RAM USE NHI HTI AB VO HAI SD RAM 1ST-SD RAM YE RAM 2 CUT KI HOTI HAI YE AB USE NHI HOTI 2ND-DDR RAM YE 184 PIN KI HOTI HAI YE 2.5 VOLT KI HOTI HAI RAM ISS TYPE KI HOTI HAI DIKHNE MAI 3RD-DDR -2 YE 240 PIN KI HOTI HAI YE 1.8 VOLT KI HOTI HAI 4TH-DDR3 YE BHI 240 PIN KI HOTI HAI ISS 1.35 SE 1.5 VOLT HOTE HAI DIFFERENCE DDR2 AND DDR3 1ST VOLT DIFFERENCE AND 2ND CUT DIFFERENCE LIKE AAP ISS IMAGE MAI DEKH SAKTE HO DDR 2 AND DDR 3 MAI CUT KA DIFFERENCE HAI 5TH-DDR 4 ISS RAM MAI 284 PIN HOTI HAI OR YE RAM 1.2 VOLT KI HOTI HAI AGAR AAP KE M...

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