Computer Componants essays

Computer Componants essays Floppy Disk Drive: A special drive that can read and copy onto a floppy disk. It can copy over and over on the same disk (the disk can be re-used). It was the first drive to be invented, which is why its called the @ drive. Processor: The Central Processing Unit (CPU) is the heart of your PC. It is an electronic device- an integrated circuitboard (chip)- that contains millions of tiny electronic components to carry out basic arithmetic and control functions. The specifications of a CPU is defined in several ways: its speed (eg 1.7 GHz) defines the number of instructions it can process each second- 1.7 billion in this case. Monitor: Is just like a TV screen. It displays the content of your computer. The size of the monitor is shown in inches (eg 15). Tower: A special box where your CPU, Motherboard, and other components are located. The tower protects these components. Motherboard: Special board, in your computer, that all of your cards, ports, and processor chips are attached to. It serves as a transport system that connects and links all the components of your PC to each other. RAM: (Random Access Memory) is the most important component of your PC. Every time you start up your PC programs are loaded into the ram. It is from the RAM that most programs perform their functions and operate to give the user the required results. It also helps to make your programs run faster. ROM: (Read Only Memory) is a chip that stores all the important start up information of the computer. It can only be read. The BIOS (Basic Input Output System) is stored in the ROM chips. Every time you start up your PC, information is accessed from the ROM chips. Operating System: Is a set of programs that controls all the hardware and software activities within a computer system. Windows 98 is an example of an operating system. Hard Drive: Special drive on your PC where files containing info ...