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Desktop Computers
A desktop computer is a
personal computer that fits on or under a desk. It has a monitor or a display,
keyboard, mouse, and either a horizontal or vertical (tower) form factor. The
desktop environment remains to this day the best option for productivity, content
creation, and even gaming.
Advantages:
• A powerful desktop computer is
generally less expensive than a powerful notebook with similar specs.
• Desktop processors are more
powerful than corresponding laptop processors. You can plug a lot of peripherals into desktops. You get extra screen space Fixing a desktop computer
is easy and cheaper.
• Desktops are secure and they last a
long time.
• Most components in a desktop are
easily removable, making it easier to upgrade and since desktop cases are
usually much bigger, they're easier to work in when doing any upgrading.
• Desktops are capable of using
high-powered video cards that have higher power requirements and require better
heat reduction/dissipation. Virtually any video card could be used on a
desktop, including two or more video cards at the same time. Thus, they'll
always yield better performance for gaming.
Types
Tower PCs: Most desktop PCs sold today are built in tower form. A computer
tower is a metal chassis that holds all of the computer's components. Towers
are vertically-oriented and are generally placed on the floor, next to the desk
where you use your computer. Computer towers are available in an enormous
variety of sizes to suit every need.
All-in-One PCs: All-in-one PCs, also known as all-in-one desktops, integrate the
computer case and system components into the monitor so that the entire PC is
contained all in one unit. All-in-one (AIO) desktop PCs offer the advantage of
a smaller form factor than desktop PCs.
Workstations: A workstation is simply a desktop computer that has a more
powerful processor, additional memory, high-end graphics adapters, and enhanced
capabilities for performing a special group of tasks, such as 3D graphics or
game development
NUC PCs: NUC, which stands for Next Unit of Computing, is a small form
factor computer kit manufactured by Intel.
Monitors
The term "monitor" is often
used synonymously with "computer screen" or "display." The
monitor displays the computer's user interface and open programs, allowing the
user to interact with the computer, typically using the keyboard and mouse.
Types:
CRT (cathode ray tube) monitors: These monitors employ CRT technology, which was used most commonly
in the manufacturing of television screens. With these monitors, a stream of
intense high-energy electrons is used to form images on a fluorescent screen. A
cathode-ray tube is basically a vacuum tube containing an electron gun at one
end and a fluorescent screen at another end.
LCD (liquid crystal display)
monitors: The LCD monitor incorporates one of the most
advanced technologies available today. Typically, it consists of a layer of
color or monochrome pixels arranged schematically between a couple of
transparent electrodes and two polarizing filters. Optical effect is made
possible by polarizing the light in varied amounts and making it pass through
the liquid crystal layer.
LED (light-emitting diodes) monitors: LED monitors are the latest types of monitors on the market today.
These are flat panel, or slightly curved displays which make use of
light-emitting diodes for back-lighting, instead of cold cathode fluorescent
(CCFL) backlighting used in LCDs. LED monitors are said to use much lesser
power than CRT and LCD and are considered far more environmentally
friendly.
THINGS TO CONSIDER WHEN BUYING A
DESKTOP PC
PROCESSORS: What is a processor? Also known as central processing units or CPUs,
they’re the “brains” of your device. They’re the chips that carry out the core
operations and calculations that drive everything else in your laptop. They
also affect the battery drain. Unlike RAM and other components, it’s difficult
to upgrade a processor once it’s in, so it’s important to choose the bestlaptop processor the first time
RAM: RAM or Random Access Memory is your PC’s “short-term memory”. When
you load a program, open a file or do nearly anything else, that task is loaded
into the RAM – so the more RAM, the more complex tasks your PC can focus on at
once. Together with processing power, RAM helps your desktop PC’s operating
system run more quickly and efficiently, as well as handling high-volume tasks
like gaming.
OPERATING SYSTEM: An operating system (OS) is the main way you interact with your
PC, providing a simple interface for installing and running programs, moving
files around, and so on. Windows and Mac OS are two of the most popular types
of operating systems. If you’re buying an Apple desktop like an iMac, you’ll
likely be using Mac OS, while on most other PCs you’ll be using Windows. Other operating systems, such as Linux, are available too, though they take a bit
more work and technical knowledge to set up and use.
STORAGE: All the files, programs, and games on your PC are kept on its
storage or hard drive, which you can think of as the computer’s “long-term
memory”. The more storage available, the more you can keep on there. Desktop
PCs usually have lots of storage, usually starting at 500GB to 1TB, which is
plenty for the average user.
MONITORS: A desktop monitor is a screen you use to operate your PC. They’re
usually sold separately to the main tower, unless you buy an all-in-one PC such
as an iMac or HP EliteOne, in which case the internal components are all housed
within the monitor unit. There’s a vast range of brands, sizes, and features to
choose from when buying a monitor. Much like a TV, the main things to consider
are screen size, resolution, and budget – how will you be using it, and what
are you prepared to splash out for the best possible picture?
MOUSE & KEYBOARD: The mouse and keyboard has been the main way of operating PCs for
decades, offering a simple and effective way to use the operating system, as
well as for typing, browsing, and gaming. Desktop PCs are often sold with a
mouse and keyboard included, and for casual users, the out-of-the-box models
may be all they’ll need. However, there are more advanced (and stylish) options
available for those who want them. Keen gamers will probably want to upgrade to
a dedicated gaming mouse, which offers greater precision and a wider range of
features than standard models.
Major desktop brands and their
popular series
HP DESKTOPS HP comes with a wide variety of personal computers which can be
used either for home or business purposes. Their popular categories are the
following:
ALL-IN-ONE Aesthetically pleasing, space-savvy, and feature-rich, a quick
setup with just one plug, and you're set.
MINI: The compact, powerful, and affordable desktop that you can bring
anywhere to use.
SMALL FORM FACTOR: Space-saving designs to minimize footprint while still providing
power and reliability.
TOWER: Traditional desktop with the freedom of customization for the
perfect PC that you always wanted.
DELL DESKTOPS
DELL has been selling some of the
finest desktop PCs all over the world under different genres.
Desktops: Do everything you love with the latest processors and plenty of
storage space available on Inspiron 3000 Series desktop PCs.
All-in-ones:
3000 Series All-in-Ones:
Space-saving all-in-one desktops with easy, all-in-one set-up. Featuring Intel®
processors and wide-screen viewing.
5000 Series All-in-One: Step up to
the great multimedia experience provided by the Inspiron 5000 Series desktop
and all-in-one PCs.
7000 Series All-in-One: The ultimate
family of Inspiron all-in-one PCs offers all the latest features and premium
performance. Alienware Gaming Desktops (For high-performance gaming) The new
Alienware Aurora gaming desktop has improved cooling & airflow, a PSU
swing-arm, and tool-less upgradeability. G Series Desktops (High-performance
gaming)
