Major Parts of a Computer

Techwalla may earn compensation through affiliate links in this story.
Computers are composed of multiple components.
Image Credit: Jacob Wackerhausen/iStock/Getty Images

A computer is composed of multiple components that perform specific functions. In many computers, a component may be replaced independently without replacing the other components. This allows only a specific part to be replaced as the item breaks down or becomes obsolete.

Advertisement

Motherboard

The motherboard provides connections for all the peripheral devices.
Image Credit: unkas_photo/iStock/Getty Images

The motherboard provides connections for all the peripheral (child) devices. It's becoming increasingly common for a motherboard to perform these peripheral functions without a separate device.

Advertisement

Video of the Day

Central Processing Unit

The CPU acts as the brain of the computer.
Image Credit: fotoedu/iStock/Getty Images

The central processing unit (CPU) is the "brain" of the computer and performs most of the actual computing functions. The CPU determines how quickly the computer can perform most tasks.

Advertisement

Hard Drive

The hard drive provides the permanent storage for information.
Image Credit: Donald Swartz/iStock/Getty Images

The hard drive provides the permanent storage for information. This information is still recorded when the computer is turned off.

Advertisement

Memory Card

A memory card holds information temporarily while the computer is turned on.
Image Credit: Jacob Wackerhausen/iStock/Getty Images

The memory card holds information temporarily while the computer is turned on. The retrieval and storage of memory is much faster than that of the hard drive.

Advertisement

Monitor

A monitor displays visual information for the user to see.
Image Credit: Jacob Wackerhausen/iStock/Getty Images

The monitor is similar to a television and displays visual information to the user.

Advertisement