Computer Imformation help.: Art Works: Art Works

Computer Imformation help.: Art Works: Art Works

Hard Disk Drives

Hard Disk Drives:

The hard disk drive in your system is the "data center" of the PC. It is here that all of your programs, data, and
applications are stored.
Your hard disk (or disks) are the most important of the various types of permanent storage used in PCs (the others being floppy disks and other storage media such as CD-ROMs, tapes, removable drives, etc.) The hard disk differs from the others primarily in three ways: size (usually larger), speed (usually faster) and permanence (usually fixed in the PC and not removable).


Hard disk drives are almost as amazing as microprocessors in terms of the technology they use and how much progress they have made in terms of capacity, speed, and price in the last 20 years. The first PC hard disks had a capacity of 10 megabytes and a cost of over $100 per MB. Modern hard disks have capacities approaching 100 gigabytes and a cost of less than 1 cent per MB! This represents an improvement of 1,000,000% in just under 20 years, or around 67% cumulative improvement per year. At the same time, the speed of the hard disk and its interfaces have increased dramatically as well.

Your hard disk plays a significant role in the following important aspects of your computer system:

Performance: The hard disk plays a very important role in overall system performance, probably more than most people recognize (though that is changing now as hard drives get more of the attention they deserve). The speed at which the PC boots up and programs load is directly related to hard disk speed. The hard disk's performance is also critical when multitasking is being used or when processing large amounts of data such as graphics work, editing sound and video, or working with databases.

Storage Capacity: This is kind of obvious, but a bigger hard disk lets you store more programs and data.

Software Support: Newer software needs more space and faster hard disks to load it efficiently. It's easy to remember when 1 GB was a lot of disk space; heck, it's even easy to remember when 100 MB was a lot of disk space! Now a PC with even 1 GB is considered by many to be "crippled", since it can barely hold modern (inflated) operating system files and a complement of standard business software.

Reliability: One way to assess the importance of an item of hardware is to consider how much grief is caused if it fails. By this standard, the hard disk is the most important component by a long shot. As I often say, hardware can be replaced, but data cannot. A good quality hard disk, combined with smart maintenance and backup habits, can help ensure that the nightmare of data loss doesn't become part of your life.

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Disk Drives / CJI Computers

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Hard Drive / CJI Computers

Defragment your hard drive:

Make your hard drive more responsive and better at its job,

by defragmenting.
Your hard drive is in constant use, and files are opened,

modified and saved all the time.

The speed at which this happens will impact on

your PC’s performance:
If you can speed up your hard drive,

you can speed up your computer’s performance:

Defraging will help speed up your system.

There are two reasons why a hard drive can become inefficient.

No.1 contain data errors in its file system,

or physical damage that creates bad sectors.

No.2 Most common problem, the data held on the
drive may be fragmented.
Data fragmentation happens when a file is held in
two or more parts on the hard drive.

When a file is written to disk, and there’s plenty of room,
it’s put in the first available area

where it can be stored in one piece.

Now there is other files surrounding it.

If you later retrieve this file and modify it,

there may be no more room in the

original space to store the changes.

The file must be put elsewhere,

and so the file is stored in two pieces,

or fragments; each time it’s changed,

it becomes further fragmented.
Your hard drive has to work twice as hard to retrieve one file
in two places:

Framation is like this:
You are in your house reading a book;

You walk from one room to other as you read;

Everytime you turn a page or put the book down a page falls out;

The next day you start up reading again,
but you need to find some pages;

You have to look in every room,

The more stops and starts you made while reading;

the more pages are missing

and the longer it takes to start reading again.

The Hard Drive same:

You know have to Defar your

book you were reading to get a good and fast read.

Running the Disk Defragmenter will keep it running smooth;

There are also 3rd party defragmenting tools available:

Some very good ones, and Free:

If you’re using the Windows XP defragmenter,

you should let your PC go thru with its derag;

go get some coffee.

Performing any other activity can slow down the defag:

It's a good idea to check for file system errors

and physical problems, using the Error Checking tool,

before defragmenting:

Windows, [error checking]

you’ll need to reboot to check your drive for errors.

It will start its scan before it reboots

all the way into Windows.
With your hard disk fully optimised,

it’s a good time to clear out old files and delete unused programs.
Do this regularly and Windows XP will run quickly and efficiently;

Defragmenting step by step

Open My Computer on the Start menu.

Right-click the drive you want to optimise and select Properties.

Click the Tools tab of the Local Disk Properties

dialogue box to see the available utilities for managing the disk.


Click the Defragment Now button to open the Disk Defragmenter.

To find out whether your disk needs to be optimised,

click Analyse.

Your hard drive is quickly scanned,

and you’re provided with a report and a recommendation.
Click the button marked Defragment and then

leave your PC. get that coffee.

This can take a long time, so consider running it overnight.

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