Interface Cards & Controllers

How To Choose Data Storage For Your Computer

While building computer, you need to choose data storage devices. This is equally important like the processor, motherboard and memory. Well, there is no dearth of devices that could be used to store data in your computer system. Some of these are hard drives, CD and DVD writers, and USB/Firewire storage devices, etc. Now-a-days, the use of SSD is also very common. Hard drives are a very crucial piece of equipment. Here all the programs, operating system, and data are stored. CD writers, DVD writers and USB/Firewire storage devices are now also very popular. To choose the data storage properly, you should have some idea about them. To build computer you can get tech support from a computer repair service provider.

 

Let's start with the Hard Drives. In the realm of hard drive, ATA and SCSI are two data access standards. The ATA standard is also divided into two groups - Parallel ATA (PATA) and Serial ATA (SATA). The SATA standard hard drives are now commonly used. The reason behind its growing popularity is its excellent speed. With these types of hard drives, the user can transfer data with a speed of up to 150 MBs. To use SATA, it is a must to use a Serial ATA controller as well as a SATA drive and a SATA power cable.

 

While buying hard drives, you should consider the drive speed as well. A faster SATA drive allows faster data access. But the cost of these types of drives is a bit on the higher side. It is also important to consider the drive space as well. If you are building a computer for performing only office tasks like just working on MS Office and browse internet, then you don't require huge amount of storage. On the other hand, if you want to do a lot of graphics or video editing then disk space should be plenty.

 

Although introduction of DVD combo writers have reduced the importance of CD writers but still many computer users install both of them. There are two choices of CD writers - internal and external CD. For desktop computers, internal drives are widely used while for the laptops external one is the best choice.

 

DVD writers are now hugely popular as they allow much storage than CDs. A DVD allows you to store up to 4.7GB on a single disc which is a few times the amount of on a CD-RW disc. DVD drives could also be external and internal. Although there is wide range of DVD media formats out there but DVD writer is the most popular one.

About the Author

Computer repair Australia is a renowned remote computer support provider. The company offers various computer services plans to fix any and all types of computer issues.

About Western Digital

Hard drive recovery is conducted on many differing types of hard disk drive. No two hard disk drive makers are the same, Western Digital are one of the most popular hard drive manufacturers today, here's a brief article on the way the landmark stages of the company throughout the past few decades.

On April 23, 1970, a Motorola employee named Alvin B. Phillips set up Western Digital Corporation, now the globe's second biggest hard drive manufacturing company, 2nd only to Seagate. It was originally named General Digital which had a brief stint at producing metal oxide semiconductor or MOS employed in magnifying electronic signals.

1970's

In the early 70's, WD made capital by selling calculator chips and soon became the world's number 1 producer of calculator micro chips. Unfortunately, financial crisis struck in the mid-70's so that in 1976, Western Digital declared bankruptcy. There were 2 enormous factors which caused this economic disaster: the oil crisis which created an extreme loss in buying power worldwide and the bankruptcy of its biggest calculator client, the Bowmar Instrument. Even worse, the company's main supplier of seed capital withdrew its support. The floundering company was forced to stand on its own two feet.

Western Digital Corporation emerged from the decline and produced some watershed products in this time, significantly the MCP-1600, a multi-chip microprocessor employed by Pascal and DEC and by some floppy disk drive controller chips. The company more than survived.

1980's

Western Digital entered the data storage industry in this time. Just about at the same time, they were making hard drive controllers. Then, in 1983, they secured the contract to provide IBM with controllers. The controller they manufactured became the basis for the ATA interface, which has become the interface standard for the link of storage devices. The enormous profits created by these controllers not only brought the organisation back prominence but fueled its company expansion also.

Western Digital used their great income from ATA controllers to leap into being the Personal computer industry's supplier of general-purpose OEM hardware. Western Digital produced graphic cards, core logic chipsets and SCSI controller chips for disk and tape devices which numerous firms acquired and retailed under their brand names. During this period also, the company introduced many "firsts," the first single-chip SCSI interface, the 1st single-chip implementation of the floppy disk controller circuitry, the granddaddy of modern super I/O chips and the 1st single-chip ATA hard disk drive controller.

The year 1988 was a fateful time for Western Digital as it purchased the production assets of Tandon, a personal computer hardware maker. Due to this, WD was able to make its "Centaur" line of ATA and XT attachment drives.

1990's

The start of the 1990s proved to be tricky for WD. At first, they were doing so well with their "Caviar" series that they made a decision to sell their other divisions. As an example, the division making graphic cards was sold to Phillips, the floppy drive controller division went to SMC markets and their SCSI controller business went to Adaptec. However , in 1995, the technology of the organization's "Caviar" series was exceeded by emerging competition and the company fell once more into a slump.

In 1998, WD sought the aid of IBM and as a result had access to both the technology and facilities of IBM. Soon,

Western Digital

gained the industry's respect when it came out with their "Expert" line of drives.

2000 to the present

In 2001 WDC became first to offer ATA hard drives with 8 MB of cache buffer. The company fast-tracked their technical edge and dotted the decade with many inventions. In 2006, WDC created the My Book line of mass market external drives, including a 1TB version in the following year.

WDC also produced their GP range of drives which had awfully low power consumption, low heat dissipation and surprisingly good performance.

In 2009, they released the first 2 Terebyte internal hard disk drive and in October of this year, the 1st 3 Terebyte internal hard drive was announced.

Western Digital Corp has proved its resilience and remains as one of the forces to reckon with in the hard disk industry.

Jason Sloan runs a data recovery business called Kingdom Data Recovery Edinburgh who service all the UK. He has got many articles on his web site which refer to issues with storage and useful info regarding stopping data loss.

computer related questions can someone please help?

I was wondering if someone can help assist me with these questions. I have no knowledge of these subjects and have tried to research but I am not finding anything that is concrete.

1. Describe the difference between memory (RAM) and what we are calling storage media.

2. Compare the capacity, access time, transfer rate, and expected life span of the following storage media: hard drive (SATA and PATA), USB thumb (flash) drive, CD-ROM, and DVD-ROM.

3. Research and compare the following hard disk controller methods: PATA (EIDE), SATA, SCSI, and SAS (Serial Attached SCSI).

RAM is used to run the computer n it is volatile.it is used to execute the programs while hard disk or secondary storage store the bit sequence or files.

capacity ranges in sequence cd-rom ->dvd rom->flash(may vary)->harddisk
higher the size more is the access time flash is the fastest one

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