The primary storage unit on a PC. It consists of one or more magnetic media platters on which digital data is written and erased magnetically. The size is the amount of information in gigabits (1000 megabits) the hard drive can store.
The random–access memory (RAM) is the most common computer memory used by programs to perform necessary tasks while the computer is on. An integrated circuit memory chip allows information to be stored and accessed in any order. All storage locations are equally accessible.
The installed software application that organizes and allocates files and data. It enables the user to communicate with the computer. Common operating systems included Windows XP, Windows Vista and Mac OSX.
A disk drive that uses lasers lights to read and write data. Optical drives include CD readers and burners and DVD readers and burners.
We graded each computer according to the central processing unit (CPU) it offers at the base price. We looked at the type, bus speed (in MHz) and cache (in MB) and allotted points accordingly.
A device that attaches to the computer’s motherboard enabling the computer to process and deliver sound.
A peripheral device that attaches to a slot in your computer and enables the PC to process and deliver video. Once installed in the computer, a cable attaches the graphics card to a computer monitor. Some card types include NVIDIA GeForce and Radeon.
The space allotted to store short-term video data. It functions much like RAM or cache.
The limited time the manufacturer guarantees the quality and functionality of their product. Usually one year.
The ability of the computer to connect to other computers or the internet.
The depth of the computer measured in inches.
The height of the computer measured in inches.
Weight of the computer measured in pounds.
The width of the computer measured in inches.