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System Unit vs. Peripheral

The two important terms discussed in this article are the ones that make sure communication is possible on the computer device and the person using it. It starts with the input given by the user and the output that comes along in various forms. System units are the main components of the computer and consists of all the interior parts that are present within the device. Whereas a peripheral is an ancillary device that performs the task of putting information into the system and then getting the feedback from the system.

Key Differences

The primary purpose of system unit is to ensure that all the complex calculations get performed correctly. A peripheral device is usually considered the tool that helps a human being to communicate with the computer.
A system unit includes all the systems such as a motherboard, central processing unit, random access memory and other parts. A peripheral unit consists of devices such as a mouse, keyboard, printer, and others.
Peripheral devices are the ones that are individual components whereas the system unit means the whole computer.
System units are the main components of the computer and consists of all the interior parts that are present within the device. Peripheral devices are the main elements of the computer that includes mostly exterior devices.
Janet White
Mar 06, 2017
The alternative name for System Unit is System Processors whereas the alternative name of peripheral is peripheral devices.
There are always more than one system units and more than one peripheral devices on a computer at the same time.
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System units hold all the tools that the part has and performs calculations that are requested by the person operating. Peripheral devices help to carry out these calculations with the aid of data entering and management.
Harlon Moss
Mar 06, 2017

Comparison Chart

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System Unit of System Processor
Peripheral Devices

Definition

The main components of the computer and consists of all the interior parts that are present within the apparatus.
An ancillary device that performs the task of putting information into the system and then getting the feedback from the system.

Purpose

Performs and holds all the main parts that become critical in the working processes.
Considered as the tool that helps a human being to communicate with the computer.

Components

Motherboard, processor, ram, hard drive, video card and power supply.
Monitor, Mouse, Keyboard, Printer, etc.
Samantha Walker
Mar 06, 2017

System Unit and Peripheral Definitions

Peripheral

Related to, located in, or constituting an outer boundary or periphery.
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Peripheral

Perceived or perceiving near the outer edges of the retina
Peripheral vision.

Peripheral

Of the surface or outer part of a body or organ; external.

Peripheral

Of, relating to, or being part of the peripheral nervous system.

Peripheral

Of minor relevance or importance.

Peripheral

Auxiliary.

Peripheral

An auxiliary device, such as a printer, modem, or storage system, that works in conjunction with a computer.
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Peripheral

On the periphery or boundary.

Peripheral

Unimportant.

Peripheral

Auxiliary.

Peripheral

(neuroanatomy) Related to or located in the peripheral nervous system.

Peripheral

(computing) A peripheral device.

Peripheral

Peripheral vision.

Peripheral

Of or pertaining to a periphery; constituting a periphery; peripheric.

Peripheral

External; away from the center; as, the peripheral portion of the nervous system.

Peripheral

(computer science) electronic equipment connected by cable to the CPU of a computer;
Disk drives and printers are important peripherals

Peripheral

On or near an edge or constituting an outer boundary; the outer area;
Russia's peripheral provinces
Peripheral suburbs

Peripheral

Related to the key issue but not of central importance;
A peripheral interest
Energy is far from a peripheral issue in the economy
Peripheral issues

Definition of System Unit

The system unit is one of the main components of the computer and consists of all the interior parts that are present within the device. This tool includes all the systems such as a motherboard, central processing unit, random access memory and other parts. The primary purposes of this method are to ensure that all the complex calculations get performed correctly and result from complicated processes become apparent. It also takes into account all the parts in which the interior components held. If we talk about this part in layman terms, we call it the chassis or a tower that performs and holds all the main sections that become critical in the working processes. Around two-thirds of the total tasks that take place within the system go through the unit and makes for a complicated structure. This term is also generally used to create differences between a computer and the peripheral devices that connect to the input, such as a keyboard, a mouse, and monitor. They hold all the devices that the unit has and performs calculations that are requested by the person operating. These instructions entered through input devices, and the parts internally range from a microprocessor to the capacity. Every part of the equipment has its process and benefit and mostly has electronic structures that interact simultaneously to make the calculations work and then transfer the answers to the input device for the user to understand them. It is safe to assume that all the parts of the body will work on some wiring system.

Definition of Peripheral

A peripheral device is usually considered the tool that helps a human being to communicate with the computer. An easy way of explaining the term is that it is an ancillary device that performs the task of putting information into the system and then getting the feedback from the system. It is usually a computer mouse of the keyboard that is not normally part of the computing system but connected to it and works with the network due to the operating system. Three primary types of peripheral devices exist these days; the first ones are called input devices that interact with the computer and the user and sends data to the instrument. Such tools include a mouse or keyboard. Then come the output devices that provide the conclusion of the information that enters through input devices and displays are on the screen. An example of such kind of devices is a printer or monitor. The last ones are the touchscreens that provide both the input and output facilities at the same time. Tools of this nature also include cell phones and tablets from which people get their work done at faster speeds. Touchscreens are considered peripherals since they get connected to the computer, but the difference comes where they start working on their own without the requirement of a mouse or keyboard. Many other examples of such kind of tools are possible, such as digital cameras, from where we take pictures and then connect them to the computer for keeping the data, it also includes tools such as loudspeakers and webcams.

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