Before building a new computer you must decide what it will be used for. This will allow you to allocate your budget to purchase specialized equipment where needed. For example, if you plan to play a lot of games, you will need a powerful graphics card and specialized controllers like joysticks. If the computer is ...
Many people are intimidated by the inside of a computer case. At first glance all those wires and components look confusing and impossibly high-tech. The thought of actually putting all the parts together may seem impossible. Not to worry! Even though they are the product of advanced technology, the various components of PCs fit ...
It could happen to you at any time, and in a blink of an eye. All it takes is a small spike, surge, brownout, or any other fluctuation in the voltage , and your equipment can be permanently damaged, your data destroyed, and your operating system files corrupted. Faulty electrical power can insidiously wear down ...
There are many fancy add-ons that can be incorporated into a computer, but before these can be installed the basic components of the computer must be connected and operating correctly. If one of these main components is missing the computer will not operate. The essentials of every computer system are a motherboard, a Central ...
The Central Processing Unit (CPU) is often described as the 'brain' of the computer. Perhaps describing it as the 'engine' may be more appropriate - it has no innate intelligence of its own, and more powerful CPUs cannot do more complex work; they simply work faster. It is the job of the CPU to ...
When you open up a computer case you see a large printed circuit board underneath all the other components. This circuit board is the motherboard. The function of the motherboard is to provide power and connections to all the other components of the computer. The motherboard (or mobo as it is sometimes called) has ...
Computer memory is a storage area for both program code and data which is currently in use. Computer programs can write and retrieve information from memory in any order, allowing for fast data retrieval and manipulation. Computer memory is called Random Access Memory (RAM). Data in RAM can be accessed randomly rather than sequentially. ...
When we talk about computer memory we usually think of RAM – Random Access Memory. Computer memory is not just about RAM however. The hard disk is also a form of memory. When the computer is turned off all your work and other data can be stored on the hard drive for later retrieval.
There are many ways to store computer data. Most of the data is kept on hard drives which are permanently installed in the computer case. Data can also be stored on removable media such as floppy disks, memory sticks, CDs and DVDs. This removable media is ideal when you need to take data with ...
In order to interact with a computer (enter information and see the results) we need both an input device and an output device. We enter information with the keyboard, mouse, or microphone (to name a few), and the computer outputs sound and/or visuals. The visual output that a computer provides is handled with the ...