Computer Mission Impossible
by india domigan
RAM (Random Access Memory)
RAM is your system's short-term memory. This short-term memory disappears when the computer is turned off. RAM is measured in megabytes (MB) or gigabytes (GB). The more RAM you have, the more things your computer can do at the same time. If you don't have enough RAM, you may notice that your computer is slow when you have several programs open. Because of this, many people add extra RAM to their computers to improve performance.
The hard drive is where you store all your information. The hard drive is long-term storage, which means the data is still saved even if you turn the computer off or unplug it. When you run a program or open a file, the computer copies some of the data from the hard drive onto the RAM so that it can access the data more easily. When you save a file, the data is copied back to the hard drive. The faster the hard drive is, the faster your computer can start up and load programs.
It is sometimes called the brain of the computer, and its job is to carry out commands. Whenever you press a key, click the mouse, or start an application, you're sending instructions to the CPU.
The motherboard is the computer's main circuit board. It's a thin plate that holds the CPU, memory. The motherboard connects directly or indirectly to every part of the computer
Power supply unit
The power supply unit in a computer converts the power from the wall outlet to the type of power needed by the computer. It sends power through the cables to the motherboard and other components.
A case fan is the fan found inside the case of a computer. This fan is used to cool your computer down so that it doesnt overheat while using it.
In computing, an optical disc drive is a disk drive that uses laser light or electromagnetic waves as part of the process of reading or writing data to or from optical Some drives can only read from discs, but recent drives are commonly both readers and recorder.