Software is generally created (written) in a high-level programming language, one that is (more or less) readable by people. These high-level instructions are converted into "machine language" instructions, represented in binary code, before the hardware can "run the code". When you install software, it is generally already in this machine language, binary, form.
Adding memory (RAM) is one of the fastest, easiest, and most affordable ways to amplify the performance of the computer you’re building because it gives your system more available space to temporarily store data that’s being used. Nearly every computer operation relies on memory – that includes having several tabs open while surfing the Web, typing and composing an email, multitasking between applications, and even moving your mouse cursor. Even background services and processes, like system updates, can draw from your RAM and that’s why it’s important to have as much memory as possible. The more things you’re doing, the more memory you need.
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Finally on the input side, microphones and audio recorders are now commonly used for digital data capture. Microphones are obviously needed to permit online audio and video conferencing. However, the use of portable audio recorders is now also on the increase. These can capture sound in a range of formats, including MP3, WAV, and (for broadcast film and video purposes) BWF. Fostex is widely regarded as the leading manufacturer of high-end digital audio recording hardware, although I personally prefer hardware from Tascam!
Memory capacity is measured in gigabytes (GB), which is a billion bytes. Most basic computers have at least 4GB today, with higher end systems having 16GB or more. Like the CPU, memory consists of small, thin silicon wafers, encased in ceramic chips and mounted on circuit boards. The circuit boards holding memory are called DIMMs, which stands for dual inline memory module.
When building a gaming PC, you'll also need a graphics display card and a cooling system. The graphics card is responsible for image rendering and video playback. For a powerful gaming computer, choose an NVIDIA or AMD GPU with video RAM of 4GB or higher. Coolers prevent processors and video cards from overheating by blowing cool air over them and venting hot air. Effective cooling requires fans and heat sinks. Power users need thermal paste and circulating cooling liquid when overclocking GPUs and CPUs. Finally, if you want to make your gaming system look as cool and powerful as it runs, outfit it with computer lighting essentials.
Persistent storage - long term storage for bytes as files and folders. Persistent means that the bytes are stored, even when power is removed. A laptop might use a spinning hard drive (also known as "hard disk") for persistent storage of files. Or it could use a "flash drive", also known as a Solid State Disk (SSD), to store bytes on flash chips. The hard drive reads and writes magnetic patterns on a spinning metal disk to store the bytes, while flash is "solid state": no moving parts, just silicon chips with tiny groups of electrons to store the bytes. In either case, the storage is persistent, in that it maintains its state even when the power is off.
Motherboard -- The primary circuit board inside your PC is its motherboard. All components, inside and out, connect through the motherboard in some way. The other components listed on this page are removable and, thus, replaceable without replacing the motherboard. Several important components, though, are attached directly to the motherboard. These include the complementary metal-oxide semiconductor (CMOS), which stores some information, such as the system clock, when the computer is powered down. Motherboards come in different sizes and standards, the most common as of this writing being ATX and MicroATX. From there, motherboards vary by the type of removable components they're designed to handle internally and what ports are available for attaching external devices.
2. Active average power use comparison based on published specs of the 1TB Crucial MX300 SSD and the 1TB Western Digital® Caviar Blue™ WD10EZEX internal hard drive, which, as of January 2016, is one of the industry’s top-selling internal hard drives. All other capacities of the Crucial MX300 SSD have comparable active average power consumption specs, with the exception of the 2050GB version of the drive, which consumes 0.15W.
With all the electronics we’ve discussed, obviously they need power in order to function and this is where your power supply comes into play. Your power supply is exactly what it sounds like, it is the part of the computer that supplies power to all your components, converting the energy from your wall socket into energy for the computer to use. Something to keep in mind about a power supply is that more wattage is NOT always better, depending on how powerful your computer components are you may not need a large wattage. There are many calculators online such as this one
The pricing of server spares can be quite varied, and this pricing is determined by the relative age of the stock and the scarcity of the parts. We see spare parts being sold at extortionate prices on some internet stores. We will always price competitively and if you see the same part elsewhere cheaper, we will upon examination of the offer, match or beat the price.
Physically USB 1.1, USB 2.0 and USB 3.0 ports appear pretty much identical. However, USB 3.0 connectors have an extra set of pins to accommodate higher speed data transfers. These are positioned in the back of a standard "Type A" plug (and hence in the front of a standard Type A socket). All other USB 3.0 connectors have been re-designed with a larger plugs and sockets to accomodate the extra set of pins. This means that USB 3.0 cables cannot be used with USB 2.0 and USB 1.1 peripherals, although USB 2.0 cables can be used with USB 3.0 devices, if at USB 2.0 speeds. For ease of identification, all USB cables and connectors are colour-coded bright blue. You can learn more about USB 3.0 in the following video:
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As a basic rule, unless a computer is going to be used to handle 3D graphics or to undertake a significant volume of video editing or recording, today there is little point in opting for anything other than onboard graphics (not least because separate graphics cards consume quite a lot of electricity and create quite a lot of heat and noise). Adding a new graphics card to a computer with onboard graphics is also a very easy upgrade if required in the future.
Memory is what allows a computer to remember things. Similar to human memory, there's long term memory (a hard disc or optical media (like a CD)) and short term memory (RAM). When a computer is turned off, it forgets everything in the RAM, so the computer saves everything it knows it will need later on in the long term memory. The short term memory is easier to use because it can do I/O faster, so when a data is needed by the CPU, it's sent from the hard disk drive (HDD) to the RAM. The short term memory lives on RAM, while the long term memory is in the hard disk drive (HDD). Optical disks let you change certain parts of the memory, it's kind of like having a book or notebook that you might read and get information from.

Firmware is a very specific, low-level program for the hardware that allows it to accomplish some specific task. Firmware programs are (relatively) permanent, i.e., difficult or impossible to change. From the higher-level view of software, firmware is just part of the hardware, although it provides some functionality beyond that of simple hardware.
Battlefield servers are being designed into a wide range of demanding defense applications. These include forward-deployed operations centers mobile tatical command posts; vehicle-mounted network infrastructure for semipermanent battlefield operations; shipboard systems; widebody command, control, communications, computers, intelligence, surveillance, and reconnaissance (C4ISR) and electronic warfare platforms; and airborne command infrastructure that links to onboard and SATCOM [satellite communication] networks. For each of these diverse domains, a modular, purpose-built design approach ensures operational success for systems where lives are at stake. Key design considerations include innovative approaches for heat dissipation, modular spares to ensure system reliability, and application portability for multiplatform systems.

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Your computer monitor applies to a desktop PC, as said before your screen size/monitor is attached to your case for a laptop. A computer monitor is simply the screen that will be giving you your video output from the computer. A monitor’s screen size and features may be important to you as some monitors will have more potential video inputs such as HDMI or VGA, so make sure your monitor has the appropriate video components for your graphics card. There is not much more detail to go into for a monitor, some monitors come with sound for your computer, but you may prefer getting speakers instead. Most laptops have a small output if you would like to put your laptop on a larger monitor as well, of course this is not exactly necessary for most laptop users as a monitor is heavy, runs off  power from a wall socket, and you won’t be carrying it around.
For the average computer user, the graphic and video card is not that important, but for the gamer, it's one of the most important features. In fact, it is the component that sets the scene for a gaming experience to be envied by others. Several things to consider when looking for a new graphic card are GPU, memory and clock speed, and programming interfaces. Users should also ensure the card is expandable to meet your future needs.
All Intel Core processors feature more than one "core" -- or in other words more than one physical processor -- manufactured as a single component. Intel's "Core 2 Duo" chips, for example, feature two processors core on a single chip, whilst "Core 2 Quad" processors have four processor cores. In most situations multi-core processors are far more powerful than traditional single core processors. Quite literally this is because they can do several things at the same time (something single core processors can only achieve by constantly switching back and fourth between doing one thing and doing another). In turn this means that multi-core processors can run at lower speeds than single-core processors and yet be far more powerful. A 2.4GHz Core 2 processor, for example, usually proves far more productive than a single core 3GHz Pentium processor. All of this hopefully makes it clear why clock speed by itself is no longer a straight-forward indicator of processor power, with the architecture of the processor -- and most notably including its number of cores -- now being at least as significant.
There are two types of devices in a computer that use CDs: CD-ROM drive and a CD writer. The CD-ROM drive used for reading a CD. The CD writer drive can read and write a CD. CD writers are much more popular are new computers than a CD-ROM drive. Both kinds of CD drives are called optical disc drives because the use a laser light or electromagnetic waves to read or write data to or from a CD.
Depending on the kind of PC you’re building, you’ll also need to adjust what you’re looking for with a case and power supply. If you’re creating a high-powered performance workhorse, you’ll need a robust power supply to make it all run, and a case with optimal internal airflow and fans to expel hot air that could potentially damage the system. Zip ties are a massive help with managing all the cables inside your rig, and consolidating the cables helps improves airflow. 

As computer enthusiasts ourselves, we're there to help you. Once you're confident in the parts list you've put together and you have the right information at your disposal, you can be confident that your build will be successful. And that's how you can build the system you want, at the price you want, and get the best bang for your buck. Pickup the basic components you'll need for your build - a processor, compatible motherboard, memory, case, power supply, storage drive, cooling system, etc. and from there you can start your build. If you're building a gamer system you'll definitely want to research graphics cards as well. Whatever your requirement, shoot us a message and we'll be glad to help you pick the right hardware you need.

1. Performance times based on internal lab testing conducted in August 2015. Each task was executed and timed after the system had undergone a fresh boot so that other factors and applications didn’t affect the reported load and boot times. Actual performance may vary based on individual system configuration. Test setup: 1TB Crucial MX200 SSD and 1TB HGST Travelstar® Z5K1000 internal hard drive, both tested on an HP® Elitebook 8760W laptop, Intel® Core™ i7-2620M 2.70GHz processor, 4GB Crucial DDR3 1333 MT/s memory, BIOS Rev. F50 (5 August 2014), and Microsoft® Windows® 8.1 Pro 64-bit operating system.
The CPU (central processing unit), which performs most of the calculations which enable a computer to function, and is sometimes referred to as the brain of the computer. It is usually cooled by a heatsink and fan, or water-cooling system. Most newer CPUs include an on-die graphics processing unit (GPU). The clock speed of CPUs governs how fast it executes instructions, and is measured in GHz; typical values lie between 1 GHz and 5 GHz. Many modern computers have the option to overclock the CPU which enhances performance at the expense of greater thermal output and thus a need for improved cooling.