What Are the Basic Components of a Personal Computer?

A computer is simply a device that is programmed to execute certain sequences of logical or physical operations automatically. Modern computers are able to perform such broad spectrum operations as database management, scheduling, communication, graphics design, scientific analysis, translation, web browser processing and others. In fact, these computers can do almost everything that a human being can do.

The computer hardware is divided into three main categories: central processing unit (CPU), personal computer (PC), and peripheral devices. Central processing units (or CPU’s) are the brains of the computers. They execute instructions and control operations which rest in the memory of the CPU. Personal computer(s) is what you use to access the Internet and to run applications.

There are two basic types of computer connections: local area network (LAN) and wide area network (WAN). A LAN is a group of computers that are connected through a router or cable connection. WAN is the opposite of LAN. Wide area network connections are much faster than a LAN connection but allow users to connect to computers beyond their local area.

There are several different types of input devices. The most common type of input device is the keyboard. One of the primary purposes of the keyboard is to provide the user with a tactile feel when operating the computer. A number of different types of touch-screens or LCD displays have been developed for use with computers. Touch-screens or LCD displays consist of monitors that are used to manipulate computer hardware by touching it.

Computer hardware is composed of three primary component parts: central processing unit (CPU), main computer (also referred to as mainframe computer), and input and output devices. Central processing unit (or CPU) is the centerpiece of the computer and is located inside the mainframe computer. The CPU performs all instructions and commands entered by the computer user through the keyboard, mouse, and any other input device. A main computer is the hub of all other computer connections and is usually located in a data room. Input and output devices are components that allow computers to communicate with one another.

IBM PC is one of the world’s most popular and widely used brands of personal computers. It was first released in 1985 and has steadily grown to become the most popular personal operating system in the world. IBM originally created the PC as an alternative to the now obsolete mainframe computer. Today, millions of people around the world still use the IBM PC to run all of their computing needs. If you are in the market for purchasing an IBM PC personal computer, you may be wondering what factors to consider before purchasing your new system.