Showing posts with label Computer. Show all posts
Showing posts with label Computer. Show all posts

What is BIOS ?

One of the most common uses of Flash memory is for the Basic input/output system of your computer, commonly
known as the BIOS. On virtually every computer available, the BIOS makes sure all the other chips, hard drives,
ports and CPU function together.

Every desktop and laptop computer in common use today contains a microprocessor as its central processing unit.
The microprocessor is the hardware component. To get its work done, the microprocessor executes a set of instructions
known as software. Two different types of software:

* The operating system - The operating system provides a set of services for the applications running on your
computer, and it also provides the fundamental user interface for your computer.
* The applications - Applications are pieces of software that are programmed to perform specific tasks
* The BIOS are the third type of software your computer needs to operate successfully.

What does BIOS perform?

The BIOS software has a number of different roles, but it’s most important role is to load the operating system.
When you turn on your computer and the microprocessor tries to execute its first instruction, it has to get that
instruction from somewhere. It cannot get it from the operating system because the operating system is located on
a hard disk, and the microprocessor cannot get to it without some instructions that tell it how. The BIOS provides
those instructions.

Some of the other common tasks that the BIOS perform include:

* A power-on self-test (POST) for all of the different hardware components in the system to make sure
everything is working properly
* Activating other BIOS chips on different cards installed in the computer - For example, SCSI and graphics
cards often have their own BIOS chips.
* Providing a set of low-level routines that the operating system uses to interface to different hardware
devices - It is these routines that give the BIOS its name. They manage things like the keyboard, the screen,
and the serial and parallel ports, especially when the computer is booting.
* Managing a collection of settings for the hard disks, clock, etc.
* The BIOS is special software that interfaces the major hardware components of your computer with the operating
system. It is usually stored on a Flash memory chip on the motherboard, but sometimes the chip is another
type of ROM.

When you turn on your computer, the BIOS perform many things in the following sequence:

1. Check the CMOS Setup for custom settings
2. Load the interrupt handlers and device drivers
3. Initialize registers and power management
4. Perform the power-on self-test (POST)
5. Display system settings
6. Determine which devices are bootable
7. Initiate the bootstrap sequence

We know that each computer device is prone to some kind of repair. BIOS are not an exception. Computer
repair services also include BIOS maintenance services. BIOS when maintained by regular usage of some of
the computer repair services results in enhanced computer performance.


These days, computers have become a must have for nearly everyone. Even though they are great to have around and make our lives easier, they are also known to crash as well. With computers being electronic, there really is no way to make them fool proof. The hard drives that hold all of the information have mechanical parts, which means that they can crash at any given time - resulting in a loss of information, and maybe even a ruined hard drive.

In general, hard drive recovery is the process you use to restore a hard drive that has crashed, been a victim of a virus, or possibly tampered with. Keep in mind that recovery isn’t just limited to restoring everything on the hard drive, but it is also useful for finding lost files, fixing corrupt hard drives, and even locating data that you may have deleted by accident.

For many years, hard drive recovery has helped those with bad hard drives or lost information to retrieve their data. What many people aren’t aware of, in the event of data that has been deleted by accident, is the fact that some data will remain on your computer even after you may have removed it from the recycle bin. Windows doesn’t always delete files completely, but more or less puts them to the side until it has the necessary data to overwrite the files.

If data was indeed gone forever, then it wouldn’t be possible to recover. Most files, even after your hard drive crashes and the data appears to be gone, are still there on your hard drive. All it takes is someone experienced with data recovery to retrieve the information. Although data recovery is an exceptional way to retrieve lost data, there is also a downside to using it as well.

The real downside to data recovery is the fact that most information can be retrieved. If you have data on your hard drive that you don’t want anyone to view, deleting it from your hard drive doesn’t always get rid of it completely. Hackers can easily retrieve the data as well, if they are experienced enough. For this very reason, computer experts and avid computer geeks will tell you that erasing a file doesn’t always remove it from your hard drive.

The way that hard drive recovery works is by reconstructing the lost data on your hard drive. It doesn’t matter if your files were deleted by accident or the result of a crash, most data can be reconstructed and brought back to life so that you can access it. Although most crashes are due to the PC failing or a virus, there are some instances that are due to hardware failure, such as the actuator arm or platters not working properly. You won’t be able to use the hard drive if this happens, although hard drive recovery can fix the problem.

No matter what type of problem you are experiencing with your hard drive, recovery can normally fix the problem. Whether it is hardware malfunction, crash, computer virus, or accidental deletion, you can normally almost always retrieve your files. Keep in mind that you’ll normally have to take your hard drive to a specialist, either locally or by mailing it to them. Computer technicians that are experienced with data recovery can bring back your files and make your hard drive appear to be new again. This way - the loss of data won’t slow down your performance.

USB AND FIREWIRE DEVICES/CABLES


If it's devices that you want to connect, this article will help you get things up and running quick. And if you run into any trouble, we show you how to solve.
Universal Serial Bus (USB) is a serial bus standard to interface devices. USB was designed to allow many peripherals to be connected using a single standardized interface socket and to improve the plug-and-play capabilities by allowing devices to be connected and disconnected without rebooting the computer (hot swapping). Other convenient features include providing power to low-consumption devices without the need for an external power supply and allowing many devices to be used without requiring manufacturer specific, individual device drivers to be installed.
USB is intended to help retire all legacy varieties of serial ports and parallel ports. USB can connect computer peripherals such as computer mouse, keyboards, gamepads and joysticks, and flash drives. For many of those devices USB has become the standard connection method. USB was originally designed for personal computers, but it has become common place on other devices such as PDA’s and video game consoles. As of 2008, there are about 2 billion USB devices in the world.

Tips To Selection Of Sound Card


There are various types of sound card use in different types of systems. The sound card is media that provides an audio visual effect on the computer and other instruments.

There are different capacities of sound cards use in different system according to the system requirements. You must have to consider various factors before selecting the sound card.

1. First thing is to get the sound card is to know the basic requirement of sound card. There are various applications of sound card so it is essential to get the suitable sound card as per your needs.

2. There are various companies provides online catalogue with image and specifications. You need to select the sound card by reading the specification and the image given in the sound card. The online shopping sites also sale the sound card of the reputed companies. You can also shop the sound card through local stores too.

3. You must have to select the sound card according to your budget. If you have less budget than no-frill sound card is available at lesser rate while in special application like multi media, you need high-end sound card.

4. If you want to select the high-end sound card, you need to use special types of sound card that gives quality output in the 3D environment. You can connect more than two speakers at a time to get better sound.

5. You must also need to know that which types of sound card are fit to your system. It is one of the crucial needs before purchasing the sound card.

Tips To Selection Of Motherboard


Motherboard is one of the important parts of the computer. The entire computing process is based on the motherboard.

The technology of the motherboard are always upgrade frequently in a year. The system is getting more compact and the capacity of the motherboard is get increases. People always love fast speed and they are always in search of higher version of the CPU.

1. System upgaradation includes change in capacity of the processor. The new versions of processors are available from many companies. If you are looking for upgraded version of the processor, you must have to select the processor based on the present system configuration.

2. Apart from the processor, it is essential to select the proper upgraded processor as per your budget. You must have to consult the system engineer to get the suitable version of the processor to replace the current processor. In the earlier years the Celeron mother boards were installed in most of the system and in laptop or notebook.

3. In the present era, Pentium grade and new version of processor are available with higher capacity of the processing the database. Similarly you must have to upgrade the BIOS as per your configurations.

4. If you install the faster processor than it carry more power load and if you install old version of motherboard than it does not work so it is better to select the proper motherboard that suits to your requirement.

5. The motherboard is available around $100 pr more. You must have to select the proper version of the processor based on the motherboard. If you want to install the motherboard you must have to get the details about the capacity of the motherboard that suits to your needs.

It is better to select the motherboard that suits to your existing needs.

COMPUTER SPESIFICATION

ASUS PACKAGE

SPARE-PART DESKRIPSI
Intel Processor 1pc E2180 (2.0Ghz) 800,C1Mb Box
DDRam 2 dan DDRam 3 LTW 1pc V-GEN 1Gb PC 5300
Harddisk 3.5 Inch 1pc WDC 160Gb SATA II 2Mb
Mb Intel LGA 1pc Asus P5GCMX-GB Lan
Casing 1pc Asus Vento TA 891/863/861 250W Pure
Optical Drive 1pc DVD-RW LG 22x [box] Sata
LCD Monitors 1pc Asus 17 Inch VB171D
Speaker 1pc Sonic Gear Morro 200 USB <2.0, 800 PMPO>
Rp4.372.000,-


(*) Harga dan stok dapat berubah sewaktu-waktu tanpa pemberitahuan terlebih dahulu


Paket Gigabyte

SPARE-PART DESKRIPSI
Intel Processor 1pc E2180 (2.0Ghz) 800,C1Mb Box
DDRam 2 dan DDRam 3 LTW 1pc V-GEN 1Gb PC 5300
Harddisk 3.5 Inch 1pc WDC 160Gb SATA II 2Mb
Mb Intel LGA 1pc Gigabyte GA-73VM-S2 (nF610i/Gf 7050,1333/1066/800,D2 800,V,PCX,R)
Casing 1pc Gigabyte GZ-PPC1C / PPC1B-000 350w+Kb+Ms Optic
Optical Drive 1pc DVD-RW LG 22x [box] Sata
LCD Monitors 1pc Asus 17 Inch VB171D
Speaker 1pc Sonic Gear Morro 200 USB <2.0, 800 PMPO>
Rp4.559.000,-


(*) Harga dan stok dapat berubah sewaktu-waktu tanpa pemberitahuan terlebih dahulu


Paket ECS

SPARE-PART DESKRIPSI
Intel Processor 1pc E2180 (2.0Ghz) 800,C1Mb Box
DDRam 2 dan DDRam 3 LTW 1pc V-GEN 1Gb PC 5300
Harddisk 3.5 Inch 1pc WDC 160Gb SATA II 2Mb
Mb Intel LGA 1pc ECS 945GCT-M2/1333 (i945GC+ICH7,1333,DC D2 667,V,PCX)
Casing 1pc ECS E-300 395W+Fan 12Cm
Optical Drive 1pc DVD-RW LG 22x [box] Sata
LCD Monitors 1pc Asus 17 Inch VB171D
Speaker 1pc Sonic Gear Morro 200 USB <2.0, 800 PMPO>
Rp4.148.000,-


(*) Harga dan stok dapat berubah sewaktu-waktu tanpa pemberitahuan terlebih dahulu


Paket FOXCON

SPARE-PART DESKRIPSI
Intel Processor 1pc E2180 (2.0Ghz) 800,C1Mb Box
DDRam 2 dan DDRam 3 LTW 1pc V-GEN 1Gb PC 5300
Harddisk 3.5 Inch 1pc WDC 160Gb SATA II 2Mb
Mb Intel LGA 1pc Foxconn 945PL7AE-KS2H (800,DC D2,Pcx)
Casing 1pc ECS E-300 395W+Fan 12Cm
Optical Drive 1pc DVD-RW LG 22x [box] Sata
LCD Monitors 1pc Asus 17 Inch VB171D
Speaker 1pc Sonic Gear Morro 200 USB <2.0, 800 PMPO>
Rp4.208.000,-