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What Is Desktop Computer?

A desktop computer is a personal computing device designed to fit on top of a typical office desk.

It houses the physical hardware that makes a computer run and connects to input devices such as the monitor, keyboard and mouse users interact with. Desktop computers are commonly used in the enterprise, as well as in consumer use cases such as gaming. In the enterprise, they are important because they are the main means for many users to do their jobs.

Benefits of Desktop Computer

Performance: Pound for pound you can’t beat the performance of a desktop PC. Full size desktop PCs can support the latest GPUs, CPUs and RAM sticks, so you can run all the latest applications and AAA gaming titles. If you’re a gamer, data scientist, graphic, video or 3D artist, a desktop PC is basically a must.

Upgradability: The beauty of a desktop PC is you can always upgrade any part of it, you just need to make sure your PSU can support the increased power consumption needs and that the GPU/CPU you want to swap out is compatible with your current motherboard. Not sure if you want to buy a prefabricated desktop PC or custom build your own? Be sure to check out our guide on building vs buying a PC.

Larger displays: A larger display can be a game-changer for increasing your productivity and multitasking ability, particularly for programmers, video editors, graphic designers, music creators or data analysts. When connecting to 2k or4K monitors, curved monitors or multiple displays, a powerful graphics card is essential for both laptops and desktop computers. Desktop computers typically come equipped with larger monitors and/or the CPU/GPU to upgrade to displays with higher resolutions. To be fair, laptops can run multiple monitors too, but only with the addition of a docking station and some HDMI cables. However, while there are high-priced computers that support higher resolution peripherals, most laptops are less likely to have the CPU/GPU specs to run 2K/4K monitors.

If you try to game or play video with a GPU that’s too weak you’ll notice the frames per second (fps) will plummet as your system struggles to process the volume of graphics data. You may notice lapses in fps performance running 2K/4K resolution videos or games. To learn more about GPUs, be sure to check out our article on how to choose a graphics card.

Improved cooling: Desktop PCs have more space in its housing, which makes cooling down the system much easier. The fans are larger as well as the heat sinks, and you can accommodate a liquid cooling system and/or more fans. This increases the potential performance of your system and the threat of thermal throttling.

Cost-effective: Desktop PCs are the better value and have lower total cost of ownership (TCO)—laptops have extra cost baked into them since it takes more engineering effort to shrink down these tiny, specialized components. Desktop components are easy to find and mostly interchangeable. The upgradability of desktops also makes them a cost-effective option since you don’t have to replace the whole system at once, just whatever aspect of your desktop PC you’re looking to improve (provided your current setup is compatible).

Ergonomics: With a desktop PC, it’s easier to change out your keyboard and adjust your monitor view to fit your ergonomic liking. You can usually adjust the height and viewing angle of your monitors, using built-in functionality to avoid glare or reduce eye strain. You can’t get the same degree of comfort with a laptop without purchasing additional equipment.

Types of Desktop Computer

Tower
A computer tower, which is also known as a computer case in a desktop computer, is a large and roomy upright case. The tower is usually placed under the desk due to its size. Towers are bulky, but they provide unrivaled versatility and the opportunity to upgrade or replace parts to have more capabilities or life of the unit. Towers come in different shapes and sizes and are made from a variety of materials including aluminum, plastic, and steel. The size of towers ranges from mini-towers to mid-towers and full-size towers. Deciding about the size of the tower you should buy depends on what the computer will be used for and how powerful it should be.

Mini-tower
Mini-towers are the smallest type of tower computer and typically measure less than 14 inches in height. These towers are designed to converse desk space. The small size of mini-towers makes them a suitable option for users with limited desk space, but it also limits the upgrade potential of the computer. Since mini-tower cases can only support 1 or 2 internal drive bays, their data storage capacity is very limited. The limited space within these cases often makes it difficult to work with them and reduces their cooling capacity than larger cases that have similar equipment.

Mid-tower
These computers are the most common full-sized desktop computers. Using mid-towers, you will have a balance between desktop footprint, interior space, and expandability. Mid-tower cases typically have a height of between 16 and 20 inches and a length up to 19 inches. These cases offer significantly better cooling compared to most mini-towers and usually support up to seven drive bays. These cases are large enough to support full-size expansion cards and 2 to 4 case fans which are more than the number of fans a mini-tower case supports.

Full-tower
Full-tower cases are the largest types of cases used in home computers. Full-towers can be up to 3 feet in height and usually support up to 15 internal and external drive bays. These cases have roomy interiors that provide excellent air circulation and workspace. Full towers often support up to 6 case fans.

Compact
Compact desktop computers, also known as Mini PCs or small form factor (SFF) PCs, are complete desktop computers in which the inner workings are lodged in a ‘compact’ case or unit. Compact computers are a case including every component of a traditional desktop computer. With compact computers, you just need to hook up a keyboard and monitor to use your computer. These computers are suitable for those with limited space. Mini PCs have a low power consumption and low noise levels (in fan-less models). They are not as fast as traditional desktop computers, but it doesn’t mean that they can’t do ‘real work’. If you want a computer for browsing the internet and your socials, emailing, and running Microsoft Office programs, you can use a compact computer.

Application of Desktop Computer

Communication: Computers enable communication through email, instant messaging, video calls, and social media platforms, allowing family members and friends to stay connected regardless of geographical distance.

Education: Computers support online learning, research, and educational resources. Students can access educational websites, online courses, and digital libraries to enhance their learning experience.

Work from home: Many people work remotely using computers, accessing work-related files, participating in virtual meetings, and collaborating with colleagues through various communication tools and platforms.

Entertainment: Computers offer a wide range of entertainment options, including streaming movies, TV shows, and music. They are also used for playing video games and exploring interactive multimedia content.

Social media and networking

Computers enable users to engage with social media platforms, share updates, photos, and videos, and connect with friends and family online.

Health and fitness

Computers support health monitoring and fitness tracking through apps and wearable devices. They can provide access to workout routines, health information, and diet plans.

Online shopping

Computers are used for online shopping, allowing users to browse and purchase a wide range of products and services from the comfort of their homes.

Components of Desktop Computer

Central processing unit (CPU)
The CPU controls the computer processes and communicates with the other components of a personal computer. A computer's CPU may be one of the most complicated parts of the computer because of its intricacies. If a computer is experiencing CPU issues, a computer technician may start by checking the fan and cleaning out any dust or debris inside the machine. Another step a computer technician may complete is verifying that power supply cables work. A CPU will not function properly unless it receives a signal from the power supply.

Motherboard
The motherboard provides the structure for all other components and connects them, while also providing a way to distribute power, deliver information and connect to devices such as a printer or mouse. It controls how data transfers and what type of monitor or screen device to use, for example. It houses the CPU, memory and secondary storage devices such as hard drives.

The first thing that a computer technician may do to troubleshoot any motherboard issues is to take the PC apart and inspect all the connections for corrosion. They may also check the power supply and make sure the computer is receiving electricity.

Random access memory (RAM)
RAM is where data lives temporarily while it's being actively used by programs, such as when a user launches a computer application. A technician may know how to identify the type of RAM in a computer, how to replace it if it's defective and how to diagnose problems with copying data from one location in memory to another.

Video graphics array port
A video graphics array (VGA) port is a video input that is primarily used on PC monitors. Troubleshooting a VGA port could include verifying there isn't a loose connection, faulty cable or a broken monitor. Another task a computer technician may do is use compressed air to spray inside the VGA port to ensure it's free of dust.

Power supply
A power supply provides electricity to all components of a computer system. Typically, it's a power cord connected from the back of a PC tower into an electricity socket. A technician may troubleshoot the power supply by turning off the computer, unplugging and detaching the power supply cord or trying a new cord or outlet.

Cooling fan
Cooling fans are a computer's system to decrease overheating. Many computers have more than one cooling fan to help users who run their computer heavily, such as video streaming or gaming. A computer technician may need to fix a computer's cooling fan if a user notices their computer overheating. They may check for any damage to the blades and make sure that they are free from debris. Replacing computer fans can be a common troubleshooting solution for a technician.

Hard drive
Hard drives are data storage devices used to store files, programs or other information on a computer system. They use magnetically coated discs called hard disks that store digital representations of information. If a hard drive fails, a computer technician may suspect a corrupt hard drive. They may use data recovery software to repair the computer or may replace the hard drive.

Monitor
A computer monitor is an electronic device that displays what's what programs are running on your computer so a user can see. Some computer technicians may wear anti-static gloves when handling computer monitors to avoid static electricity. They may also troubleshoot monitor issues by disconnecting it from the computer and trying a new power cord.

Printer
This is a machine that produces copies of text or images on paper using ink. Popular printers include laser or inkjet and computer technicians may be skilled in troubleshooting issues across multiple brands and varieties. Computer technicians may service printers including verifying power is running to the machine. They may also check to see if the paper tray is full and ready for printing. Technicians might replace or refill any ink cartridges and toner.

If the physical printer components are operating efficiently but the machine still isn't working, a technician will then troubleshoot software malfunctions that may occur in the communication between the computer and the printer. This requires more expertise to fix since it involves how the systems interact with each other rather than physical component failures on the printer itself.

Scanner
A scanner is a device that digitally copies an image or and makes it available as a file for access on a computer. If a scanner malfunctions, a computer technician may remove the cover and carefully check if it has any damage. If there are no visible issues, then they may check the power connection cable. Similar to a printer, there is computer software that connects the scanner to the computer, so a technician will also verify that the software is communicating to the scanner.

Computer mouse
A computer mouse can have a wire or is wireless and is an input device used to control a cursor on the computer monitor. A wired computer mouse has a cord that connects to a USB port on a computer while a wireless mouse has no physical connection with a computer system. Instead, a wireless mouse communicates using an adapter that is usually plugged into an available USB port and runs off its own batteries using Bluetooth technology.

Computer technicians may troubleshoot computer mouse issues by ensuring it's connected properly if it has a wire. If the mouse is wireless, a technician can look to see if they need batteries and that the wireless connection is working. Computer technicians can clean both wired and wireless with cloths to ensure there is no dust or debris on the sensor on the bottom of a mouse. If there is, the mouse may not operate correctly.

Process of Desktop Computer

Positioning the computer tower
Place the computer tower on a stable, flat surface near your desk. Ensure it is positioned in a way that allows for proper ventilation, avoiding enclosed spaces that can lead to overheating. Ideally, place the tower on the floor or a dedicated stand next to your desk for completing Desktop Computer Installation.

Connecting the monitor
Monitor stand: Attach the monitor to its stand according to the manufacturer’s instructions.

Video cable: Connect the monitor to the computer tower using the appropriate video cable (HDMI, DisplayPort, DVI, or VGA). Ensure the connections are secure.

Power cable: Plug the monitor’s power cable into an electrical outlet and connect the other end to the monitor.

Connecting the keyboard and mouse
USB or wireless: Most keyboards and mice connect via USB ports or wirelessly. If using USB, plug them into available USB ports on the computer tower. For wireless devices, insert the wireless receiver into a USB port and ensure the devices have fresh batteries.

Positioning: Place the keyboard and mouse in ergonomic positions on your desk for comfortable use.

Connecting additional peripherals
If you have additional peripherals like speakers, a printer, or external storage devices, connect them to the appropriate ports on the computer tower. Ensure all connections are secure and cables are neatly arranged to prevent tangling.

Connecting the power supply
Power supply: Plug the computer tower’s power supply cable into an electrical outlet or a surge protector. Connect the other end to the power input on the back of the tower.

Surge protector: It is advisable to use a surge protector to safeguard your computer and peripherals from power surges.

How to Maintain Desktop Computer

Keep your pc clean: Dust can accumulate inside your computer, leading to overheating and reduced performance. Regularly clean the exterior and interior of your PC using compressed air to blow out dust.

Update software: Keep your operating system, drivers, and software up to date to ensure optimal performance and security.

Run antivirus scans: Install reliable antivirus software and perform regular scans to detect and remove malware that can slow down your system.

Manage startup programs: Disable unnecessary programs from starting up with your PC to improve boot times and overall performance.

Defragment your hard drive: If you have a traditional hard drive (not SSD), defragment it periodically to optimize file storage and speed up access times.

Check for disk errors: Use the built-in Windows tool or third-party software to check for disk errors and repair them if necessary.

Backup your data: Regularly back up your important files to an external drive or cloud storage to prevent data loss in case of hardware failure.

Monitor your system's health: Keep an eye on your PC's temperature, fan speeds, and other vital statistics using monitoring software to prevent overheating and hardware damage.

Clean up your hard drive: Regularly delete temporary files, uninstall unused programs, and empty the recycle bin to free up disk space and improve performance.

Check for hardware issues: Periodically check hardware components like RAM, CPU, and GPU for any signs of damage or malfunction.

8 Factors to Consider Before Buying a Desktop PC

Your needs and budget
Your specific use case determines ideal computer specifications. For example, the necessary speed of your PC depends on what you plan to do with it. A fast processor, sufficient RAM, and a powerful graphics card are some of the essentials for a gaming PC. A lower-tier budget desktop should suffice if you plan to use your computer for web browsing and simple productivity tasks like word processing.

Desktop processors
While there are many different desktop processors or CPUs, most come from just two manufacturers: AMD and Intel. Intel processors generally offer better performance but are more expensive than AMD processors. However, the main difference between processors relates to the number of cores they offer and their relative speed.

Most manufacturers present a performance rating system for their desktop PCs, but comparing across brands isn't always easy. Your best bet is to look for PCs in your price range and then research the processors to ensure they are powerful enough for your needs.

Memory
Memory, or RAM, plays a significant role in the speed and performance of a PC. The higher the RAM, the better the performance. Experts recommend at least 8 gigabytes of memory, but 16 GB offers better performance. For gaming and other power-computing uses, 16 GB is the minimum you should consider.

Hard drives
While some desktop computers still rely on hard disk drives, most newer PCs ship with solid-state drives for storing and caching data. SSDs are preferable since they're faster, more efficient, and more durable than HDDs.

There are two main elements to consider when shopping for hard drives: size and speed. A modern desktop hard drive should have at least 1TB of storage space. Most traditional HDDs run at 7200 RPM in terms of speed, but some green or variable-speed drives consume less energy (SSDs don't have an RPM number to consider because there are no moving parts). Most motherboards now support RAID to install several hard drives on your machine.

Optical drives (CD/DVD/Blu-Ray)
Some desktops still come equipped with a DVD burner, but most, especially small form factor PCs, are doing away with optical drives. Your desktop needs a Blu-ray drive to watch new movies in HD. If the computer you want doesn't have optical drives, purchase an external CD, DVD, and Blu-ray player.

Video and graphics cards
If you don't play PC games with 3D graphics, you don't have to worry about a dedicated graphics card. Gamers should consider a DirectX 12 card with at least 8 GB of onboard memory. Pick a budget video card if you're interested in accelerating non-3D tasks. Factors to consider include performance, the amount of memory on the card, the output connectors, and the version of Direct X supported.

External peripheral connectors
Check how many and what type of external ports are available on the computer for use with future peripherals. There are a variety of high-speed peripheral connectors now available. It is best to get a PC with at least six USB ports but there are also USB hubs available if your dream computer doesn't have enough ports. Other higher-speed connectors include eSATA and Thunderbolt, which can be especially useful for external storage. Many desktops also have SD card readers.

Desktop monitors
While there are all-in-one PCs with built-in monitors, you still need to consider the quality of the screen. Most monitors today are based on LCD technology, and the only significant difference between them is size and cost. Some other factors, such as color accuracy, may be vital if you plan to use the desktop for graphics work. 24-inch LCDs are the most common, thanks to their affordability and support for full 1080p high-definition video. Larger screens, such as 27-inch LCDs and 4K displays, are also dropping in price.

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FAQ

Q: What is the difference between a desktop and a PC?

A: A laptop is a portable computer that you can use anywhere, while a desktop personal computer (PC) is a stationary computer that sits on a desk or table.

Q: What is desktop computer for?

A: Desktops for everyday use are computers designed for regular, day-to-day tasks such as web browsing, document editing, email management, and multimedia consumption. These desktop computers offer a balance between affordability and performance, making them suitable for a wide range of users.

Q: Is there a point to having a desktop computer?

A: Big plus points of desktop PCs
The components within a laptop are much more tightly packed in a particularly confined space. A desktop PC offers much easier access to its components, many of which can be easily replaced or upgraded.

Q: Why would I need a desktop computer?

A: A desktop PC is typically more powerful and easier to upgrade, which can be beneficial for more complex programming tasks. However, a laptop allows you to work on the go and in different environments, which can be helpful for developers who need to work remotely or collaborate with others.

Q: What is the main function of a desktop computer?

A: A desktop computer is a personal computing device designed to fit on top of a typical office desk. It houses the physical hardware that makes a computer run and connects to input devices such as the monitor, keyboard and mouse users interact with.

Q: Which is better, all in one PC or desktop?

A: If you rely on a PC for process-intensive work projects that will need upgrades over time, a traditional desktop PC offers flexibility and durability. On the other hand, if you want a plug-and-play solution that gives you a great all-around experience that's also versatile, you may gravitate toward an AiO computer.

Q: What is the most important part of desktop computer?

A: Central processing unit (CPU)
The central processing unit (CPU) - commonly referred to as the processor - is the 'brain' of your computer. The CPU solves all the sophisticated algorithms and programming your computer does while running programs or applications.

Q: What is the function of the desktop computer?

A: Desktop Functions means consumer or business tasks or processes performed by a computer or computing device. This includes email, word processing, spreadsheets, database, network/Internet browsing, scheduling, and personal finance.

Q: What are the three main features of a desktop computer?

A: A desktop is a big and heavy physical computer unit placed on the office desk that constitutes a monitor, a CPU, the keyboard and a mouse. The desktop is always connected to the mains so that it remains powered.

Q: How often should a computer be serviced?

A: But, if it is a desktop computer used for business for up to 8 hours a day, it is probably worth having it serviced on a more regular basis – and we recommend every 6 months. If your computer is used all day in a dusty environment or around pets, then the need for a regular service will increase to every 3 months.

Q: How do you clean a computer on a daily basis?

A: Use an anti-static cloth to lightly dust your computer casing. Do not use furniture cleaners or strong solvents. Use a can of compressed air to blow out debris from the air intake slots. Ammonia diluted with water—or glass cleaner comprised mostly of ammonia and water—is a safe cleaning solution for computer surfaces.

Q: How to clean your desktop PC?

A: To dust inside your computer, unplug your device and turn it off completely. After you open the case of your desktop's tower, use a can of compressed air to spray inside until all of the dust is gone. Avoid using a vacuum cleaner, as they create static electricity that can damage your device.

Q: Is it OK to leave desktop computer on all the time?

A: Prolonged use can lead to heat buildup and overheating, potentially affecting the lifespan of components like the CPU and GPU—parts that could be costly to repair or replace.

Q: How long should a desktop computer last?

A: While the average desktop PC lasts between 2 to 3 years, through good maintenance, it could last from 5 to 8 years. But even under good maintenance, you'll want to consider upgrades as even the best desktop computer that's well maintained will show a lot of these signs.

As one of the leading desktop computer manufacturers in China, we warmly welcome you to buy discount desktop computer made in China here from our factory. All customized products are with high quality and competitive price. For more information, contact us now.

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