What are the Two Main Components on the Motherboard? Complete Guide

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The printed circuit board (PCB) connects all the components of a computer such as the CPU, memory, hard drive, printer, mouse, keyboard, graphics card, and other peripherals. On your machine, you may have noticed lines running in different directions.

The motherboard transfers data and information between its various components through these lines. Circuit boards flow current similarly to normal circuits, but they have less voltage than normal circuits. It also occupies a smaller space than a conventional one.

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How big is a Motherboard?

The size and shape of motherboards varies depending on the form factor. The designs of motherboards are generally the same across companies; therefore, there is a high degree of similarity between them. The size may, however, differ slightly from brand to brand.

In accordance with Intel’s ATX specification, almost all major manufacturers implement this configuration specification on their desktop motherboards.

These machines are used for simple computing tasks, such as web surfing, word processing, and video playback. However, technological advances have far exceeded their initial purpose of surfing the web.

What are the Two Main Components on the Motherboard?

Two Main Components of MotherboardMemory (RAM) and the processor (CPU) are among the motherboard’s important components.

  • What is RAM?

Data and application programs are stored in Random Access Memory (RAM) alongside an operating system (OS). As a result, the device can quickly reach the future with its processor. The main memory of a computer is RAM. In this technology, hard disk drives (HDDs), solid-state drives (SSDs), and optical drives, for example, work much slower.

Random access to memory makes memory volatile. RAM stores data while a computer is on, then it is deleted when it is turned off. When a computer restarts, files and an operating system are reloaded into RAM, usually from a hard drive or solid state drive.

  • What are CPUs?

The circuitry in the device processes input, stores data, and outputs outputs. Programs on the CPU constantly tell it what to do and how to do it. Computer programs require CPUs to run.

It could, for example, be instructed to take two numbers, 2 and 2, and add them, then send back the result.

An ALU (Arithmetic Logic Unit) capable of adding numbers and a control unit that understands program instructions enables the CPU to process those instructions. It is much easier to process complicated programs on a CPU equipped with an ALU and control unit.

Other components 

1. Keyboard and mouse

Keyboard and mouse connectors mainly come in two types. The first connector is known as the PS/2 connector, whereas the second connector is known as the USB connector.

2. Universal Serial Bus (USB)

Computer systems are connected to USB ports. With the USB port on a computer, a variety of devices can be connected such as a keyboard, a mouse, a camera, a scanner, a printer, etc. USB ports can be used by other devices as well. Computer motherboards and peripheral devices are typically connected to USB ports. The main advantage of a USB port is that peripheral devices can be inserted or removed without the computer restarting.

3. Parallel port

For connecting to a computer system, old printers used the parallel port. A parallel port uses multiple wires that can simultaneously transmit or receive a number of bits in the same instance. Unlike serial ports, parallel ports have multiple wires connected at once.  A female DB type connector with 25 pins is used in the parallel port.

4. CPU chip

The central processing unit controls all computer functions. The central processing unit controls how tasks and functions are performed. Central processing units are often referred to as the brains of computer systems.

5. RAM slots

Slots for RAM (memory) are used in computers to connect memory. Usually, a computer system has two RAM slots, but sometimes it can have four or more. This is to enable more memory to be added to the computer system.

6. The floppy drive

There is a 34-pin ribbon cable on the older motherboard chip that connects the computer system with a floppy drive. Ribbon cables are connected to the computer systems at one end and to the motherboards at the other end.

7. IDE controller

ATA refers to integrated drive electronics. IDE refers to the hard drive control components. As of today, IDE controllers are not supported by computer systems.

8. PCI slot

A peripheral component interface is the full form of PCI. PCI slots are primarily used for installing expansion cards on a computer. PCI devices such as sound cards, network cards, video cards, modems, and others are also supported. Currently, PCI expansion slots aren’t supported on most computers.

9. ISA slot

As the name suggests, industry-standard architecture (ISA) refers to a standard architecture for a bus. This ISA slot is used for connecting input devices and modems.

10. CMOS Battery

BIOS settings are stored on the motherboard by the CMOS battery. In addition to storing the time and data, the CMOS battery can also be used for this purpose.

11. AGP slot

Video cards are usually connected to computers via AGP (Accelerated Graphics Port), a type of slot for connecting them. There can be high-speed data transfers with this slot.

12. CPU slot

Specifically, a CPU slot is a type of connector that connects a computer’s central processing unit to its motherboard.

13. Power supply slot

A power supply slot provides the computer with electrical power during startup and operation. There is approximately 110 ac power supplied to the system. When using the power supply connector, twenty pins are required to maintain a computer system’s power supply.

What are the Two Main Components on the Motherboard

The motherboard is made up of which two components? A processor is also made up of memory and a CPU. CPUs are electronic components that interpret and execute basic instructions for computers.

Does the motherboard store data?

The CPU is responsible for everything your computer does and wants to do. Computer memory is just a form of data storage – a type of data storage that is particularly fast. The motherboard houses your computer’s memory. A few different methods are used by computer memory to store data.

What is ROM in a computer?

In computer and electronic devices, ROM stands for read-only memory. A non-volatile memory like ROM (remember-and-operate memory) keeps its contents even when there is no power.

What contains and protects the motherboard?

Computer cases provide one of the best protections for the motherboard of a computer. An electronic device’s case serves as a protective shell surrounding and shielding all of its internal components. In most cases, the motherboard is directly attached to the case and secured with screws.

Which kind of keyboard projects an image?

The projection keyboard is a form of computer input device that displays the virtual keyboard image on a surface: when a user presses a key on the surface, the device records the keystroke that is triggered.

Is it a thin lightweight mobile computer?

Its lid has a screen inside, and its base has a keyboard, so you can use it on your lap. Computers and laptops are the same thing.

What happens if I change my motherboard?

Memory, motherboards, and CPUs do not affect data on hard drives. Your decision to reinstall your operating system made you forget to backup, and THAT would result in data loss. Losing your data is likely to result from those things.

What is stored on the motherboard?

As well as being known as a motherboard, a system board is often used as a mainboard. It contains the central processor (CPU), random access memory (RAM), expansion slots, a heat sink and fan assembly, a basic input and output system (BIOS) chip, a chipset, and the circuitry that connects the motherboard components.

How do I choose a motherboard?

Two Main Components of MotherboardWhat to look for in a motherboard

  1. Factors related to form.
  2. The type of socket used by a processor.
  3. The process of selecting a motherboard.
  4. Make sure you choose the correct chipset.
  5. You need to ensure your motherboard supports the specific processor you plan on using.
  6. Consider a board with a flexible host bus speed.
  7. If you require different types and amounts of memory, make sure the board can handle them.

Uses of Motherboard

Motherboards are the components of a computer system that allow several tasks and functions to be performed by other components and parts of the system. Because all components of a computer system are connected via a motherboard, the motherboard is considered the spine of the system. Once the motherboard has been damaged, the computer system’s owner will have to spend a great deal of money to buy a new one. Computer systems run on motherboards, which are central devices connecting all other components.

Frequently Asked Questions

  • How many parts make up a computer?

The following is the order in which the most important elements are:

  1. An CPU is a computer’s central processing unit (CPU).
  2. Memory (random-access)
  3. The motherboard (conducts inter-processor communication)
  4. (SSD or hard drive)
  5. Provides power to the pow importer (pretty)
  • What are the four main components of a motherboard?

As well as being known as a motherboard, a system board is often used as a mainboard. This component contains the central processing unit (CPU), random access memory (RAM), expansion slots, heat sinks and fans, basic input/output system (BIOS) chip, chipset, and circuitry that connects the components together.

  • Have ROMs considered memories?

A computer’s RAM and ROM are both types of memory. Temporary files are stored in RAM. You computer stores its instructions in nonvolatile memory.

  • How should a motherboard be cooled?

During gaming or when using heavy apps, the temperature of PCs (or motherboards) can go up to 50 degrees Celsius. Having a faulty cooling system will force your computer to overheat, which will not be a happy event.


A computer motherboard connects all the components of the computer system. Motherboards are the heart of computer systems. Boards are available in different shapes, sizes, and speeds based on budget, needs, and demands. A computer’s motherboard connects all its components. our guide is about What are the Two Main Components on the Motherboard is end here. if you have any questions feel free to contact us.