Categories: Articles

What is hard Drive or permanent memory and its power units.

Spread the love

A hard disk or hard drive abbreviated as HD or HDD , HD is non-volatile memory .Non-volatile memory means data does not lose when PC turn OFF.it is usually install in a computer or attached directly to disk controller of the computer bord.HD contains one or more platters .data is written to the platters using a magnetic head ,which moves rapidly. Data search depend on head if head move more fast then data also search fast .if head move slow the data search on HD are slow .

internal hard disks reside in a drive connected to the motherboard using an ATA ,SCSI OR SATA cable. They are powered by a connection to the computer’s (power supply unit).

Can a computer work without a hard drive?

no Without hardisk coputer does not work .because OS store in HD and if HD not installed in system

then system does not work.

Hard drives in modern computers

Modern computers often use an SSD(solid-state drive) as the primary storage device, instead of an HDD. HDDs are slower than SSDs when reading and writing data, but offer greater storage capacity for the price.

What are the sizes/capacity of hard drives?

HDD is often capable of storing more data then other drive, HDD size depend open its size .old HDs memory size were MBS to several GB. Now HD drive have storage size of GBs to TB. every year HD technology increasing hard drive storage sizes.

Fahad Aslam

Recent Posts

6 Non Surgical Facial Treatments for Wrinkles

For this reason, there are many treatment processes that exist which when availed will definitely…

9 months ago

The greatest 10 golfers of all-time, ranked

Over the years, the PGA Tour has featured a good number of exceptional players. However,…

9 months ago

Most Famous Wools Around the World

Compared to other fibers in the world, wool is thought to be the most warm.…

9 months ago

Six Artists Taking Wood to New Heights

Wood is full of surprises, even though it is one of the most traditional and…

9 months ago

Factors to Consider When Buying Beard Oils

There are a few things to think about as you search for the perfect elixir…

9 months ago

Different Saree Material Types and the Most Recent Saree Fabric Varieties

Because of its ageless beauty and elegance, the saree has long been a staple of…

9 months ago