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DESKTOP COMPUTER

A desktop computer is a personal computer in a form intended for regular use at a single location desk/table due to its size and power requirements, as opposed to a laptop whose rechargeable battery and compact dimensions allow it to be regularly carried and used in different locations. The most common configuration is a computer monitor, keyboard and mouse, and a case that houses the main components of the PC, namely the power supply, motherboard, hard drive, optical drive, and previously the floppy drive. The form factor of the case is typically an upright tower or (horizontal) desktop. All-in-one computers, that integrate the monitor and main PC components in one unit, are often categorized under the desktop computer umbrella, particularly if they require an external power source and separate keyboard/mouse. The desktop category has also encompassed home computers and workstations.

Origins
Prior to the widespread use of microprocessors, a computer that could fit on a desk was considered remarkably small; the type of computers most commonly used were minicomputers, which were themselves desk-sized. Early computers took up the space of a whole room. Minicomputers generally fit into one or a few refrigerator-sized racks.

The very first "programmable calculator/computer" was marketed in the second half of the 1960s, starting with the Italian machinery Programma 101 (1965) computer at typewriter size. More desktop models were introduced in 1971, leading to a model programmable in BASIC in 1972. This one used a smaller version of a minicomputer design based on read-only memory (ROM) and had small one-line LED alphanumeric displays. They could draw computer graphics with a plotter.

Growth and development
Throughout the 1980s and 1990s, desktop computers became the predominant type, the most popular being the IBM PC and its clones, followed by the Apple Macintosh, with the third-placed Commodore Amiga having some success in the mid-1980s but declining by the early 1990s.

Early personal computers, like the original IBM Personal Computer, were enclosed in a "desktop case", horizontally oriented to have the display screen placed on top, thus saving space on the user's actual desk, although these cases had to be sturdy enough to support the weight of CRT displays that were widespread at the time. Over the course of the 1990s, desktop cases gradually became less common than the more-accessible tower cases that may be located on the floor under or beside a desk rather than on a desk. Not only these tower cases had more room for expansion, but also they have freed up desk space for monitors which were becoming larger every year. Desktop cases, particularly the compact form factors, remain popular for corporate computing environments and kiosks. Some computer cases can be interchangeably positioned either horizontally (desktop) or upright (mini-tower).

Components
An entire computer that sits on a desk or table, a PC or Macintosh being examples. It usually consists of: a display, either color or monochrome; a system box containing the processor, memory, disk drives, power supply, and communication interfaces; a keyboard; a pointing device, often a mouse. Although the desktop computer is relatively cumbersome compared with a notebook computer of equivalent power, it currently has a significantly better power/performance ratio.

Part of a graphical user interface which invites the user to imagine that some or all of the screen is an actual desktop on which actions analogous to those occurring on a physical desktop can be carried out. These include the opening and closing of folders, the entry and modification of text, the disposal of unwanted material into a wastebasket, and the use of communication systems analogous to telephones and mailboxes. The analogy is supposed to make life easier for office workers unused to computers.

All-in-one
An all-in-one desktop computer integrates the system's internal components into the same case as the display.
Advantages of the all-in-one form factor
Simplicity and ease of setup (some connecting cables are eliminated)
Smaller footprint
Increased portability
Disadvantages of the all-in-one form factor
Typically has few or no expansion slots
Difficult or impossible to upgrade the display (for example, from a standard display to a 4K display)

If the display fails, cannot simply connect a spare unit while retaining the advantages of an all-in-one
Vendor lock-in (due to their integrated nature, major components of the system must be purchased from the same manufacturer)
Increased cost (for example, the performance and functionality of an iMac can often be obtained at lower cost by connecting a Mac Mini to a generic display)

The all-in-one form factor was popular during the early 1980s for computers intended for professional use such as the Kaypro II, Osborne 1, TRS-80 Model II and Compaq Portable. Many manufacturers of home computers like Commodore and Atari included the computer's motherboard into the same enclosure as the keyboard; these systems were most often connected to a television set for display. Apple has manufactured several popular examples of all-in-one computers, such as the original Macintosh of the mid-1980s and the iMac of the late 1990s and 2000s. By the early 2000s, many all-in-one designs were using flat panel displays, and by late 2012 some all-in-one models also included touchscreen displays to accommodate Windows 8.

Some all-in-one desktops such as the iMac G4 have used laptop components in order to reduce the size of the system case. Like laptops, some all-in-one desktop computers are characterized by an inability to customize or upgrade internal components, as the systems' cases do not provide easy access except through panels which only expose connectors for RAM or storage device upgrades. However, newer models of all-in-one computers have changed their approach to this issue. Many of the current manufacturers are using standard off-the-shelf components and are designing upgrade convenience into their products.

Comparison with laptops
Desktops have the advantage over laptops, as the spare parts and extensions tend to be standardized, resulting in lower prices and greater availability. For example, the size and mounting of the motherboard is standardized into ATX, microATX, BTX or other form factors. Desktops have several standardized expansion slots, like Conventional PCI or PCI express, while laptops only tend to have one mini-PCI slot and one PC Card slot (or ExpressCard slot). Procedures for assembly and disassembly of desktops tend to be simple and standardized as well. This tends not to be the case for laptops, though adding or replacing some parts, like the optical drive, hard disk, or adding an extra memory module is often quite simple. This means that a desktop computer configuration, usually a tower case, can be customized and upgraded to a greater extent than laptops. This customization has kept tower cases popular among gamers and enthusiasts.

Another advantage of the desktop is that (apart from environmental concerns) power consumption is not as critical as in laptop computers because the desktop is exclusively powered from the wall socket. Desktop computers also provide more space for cooling fans and vents to dissipate heat, allowing enthusiasts to overclock with less risk. The two large microprocessor manufacturers, Intel and AMD, have developed special CPUs for mobile computers (i.e. laptops) that consume less power and lower heat, but with lower performance levels.

Laptop computers, conversely, offer portability that desktop systems (including small form factor and all-in-one desktops) can not due to their compact size and clamshell design. The laptop's all-in-one design provides a built-in keyboard and a pointing device (such as a trackpad) for its user, and can draw on power supplied by a rechargeable battery.

Laptops also commonly integrate wireless technologies like WiFi, Bluetooth and 3G, giving them a broader range of options for connecting to the internet, though this trend is changing as more desktop computers come integrated with one or more of these technologies.

A desktop computer needs a UPS to handle electrical disturbances like short interruptions, blackouts and spikes; achieving an on-battery time of more than 20–30 minutes for a desktop PC requires a large and expensive UPS. A laptop with sufficiently charged battery can continue to be used for hours in case of a power outage and is not affected by short power interruptions and blackouts.

Check our online store at www.deluxe.com.ng to shop for varieties of desktop computers.

Desktops

MERCURY 19.5 LED MONITOR WITH IN BUILT SPEAKER AND HDMI

Price: ₦39,475
Intel NUC 8 Performance-G Kit (NUC8i7HVK) - Core i7 100W

Price: ₦339,213
Lenovo V310z, 10QG0018UK, 49.5 cm (19.5"),Core™ i5 i5-7400, All-in-One PC, Window 10 Pro (DW)

Price: ₦436,764
DELL 18.5″ FLAT SCREEN MONITOR (DW)

Price: ₦67,621
Dell Vostro 3668 MT - 7th Gen Intel® Pentium® G4560 (3M Cache, 3.50 GHz), 4GB DDR4 RAM, 500GB SATA 6Gb/s HDD, DVD-Writer (DW)

Price: ₦199,536
DELL Inspiron 22 3000 AIO, 4415U|8GB,1TB 5400RPM|WINDOWS 10 HOME (DW)

Price: ₦240,553
Dell OptiPlex 5270, AIO Desktop| Intel Core i3|8 GB RAM| 128 SSD| windows 10 pro (DW)

Price: ₦292,654
HP All-in-One PC 22-c0015nh, 5GS75EA Intel- J5005 (1.5 GHz ,8 GB DDR4 SDRAM,1 TB SATA Hard drive ,Keyboard,Mouse ,Free Dos 2.0 (DW)

Price: ₦228,359
HP X3W57AA OMEN 35-INCH CURVED DISPLAY MONITOR |WQHD(3440 x 1440) (DW)

Price: ₦501,059
HP V194 18.5″ LED Monitor|1366×768| 5ms|5YR89AS (DW)

Price: ₦36,501
HP ProDesk 400 G6 SFF, 7PG55EA| Core i7|16 GB RAM|512 GB SSD|Windows 10 Pro 64 (DW)

Price: ₦374,686
HP ProDesk 600 G5 SFF PC, 7AC38EA, Core i5-9500| 8GB RAM| 1TB HDD| Win 10 Pro (DW)

Price: ₦407,941
HP 200 G3 All In One Pc, 3VA37EA, Intel Core i3-81300, 22 Inch, 4GB RAM, 1 TB Hard Drive, FreeDos 2.0 (DW)

Price: ₦256,073
HP EliteDesk 800 G5 SFF PC, 9PJ32EA, Intel Core i7-8700, 8 GB RAM, 256GB SSD,FreeDos (DW)

Price: ₦433,439
HP ProOne 200 G3, 3VA38EA, i5-8250U, 4GB, DDR4 1TB SATA, FREEDOS 2.0 (DW)

Price: ₦307,065
HP Pavilion 27-Xa0251nh| 6LL15EA| 27-Inch All-In-One Desktop Computer| 2GHz| Core I7| 8GB|1TB| Windows 10 Home (DW)

Price: ₦797,039
HP 24-F0582NH, 8XK99EA,|24 Inch DISPLAY| Core i7-9700T| 8 GB RAM| 2 TB HDD| WINDOW 10 HOME 64 (DW)

Price: ₦483,323
HP Pavillon 24-xa0053w, Intel Core i5+ 8400, 4 GB DDR4-2400 RAM, 1TB 7200 RPM SATA,Windows 10 Home(64-bit) (DW)

Price: ₦406,834
HP All in One - 20 -C402NH, 4MN62EA , Intel Celeron J4005, Desktop 20 Inch, 4 GB RAM, 500 Hard Drive,Free DOS 2.0 (DW)

Price: ₦185,126
HP 290 G3 Microtower PC, 8VR53EA| Core i3-8100| 4GB| 1TB| FREEDOS (DW)

Price: ₦210,623
HP All-in-One – 22-c0486nh – Intel® Core™ i3-9100T, 9CS03EA, 21.5″ Display, 4 GB , 1 TB, Windows 10 Home 64 (DW)

Price: ₦271,591
HP ELITEDESK 800 G5 SFF, 9PJ31EA| i5-8500| 8G| 256G| FREEDOS (DW)

Price: ₦374,686
HP ProDesk 400 G6 SFF|7PG55EA |Core I7-9700| 3 GHz| 16 GB SSD| 512 GB| Windows 10 Pro 64 (DW)

Price: ₦374,686
HP ProDesk 400 G6 SFF, 7EL94ET|Core i5-9500|8GB|256GB SSD|Window 10 Pro (DW)

Price: ₦289,329
Intel NUC 8th Gen NUC8i5BEH Mini PC/HTPC, Intel Core i5-8259U Up to 3.8GHz, WiFi, Bluetooth 5.0, 4K Support, Dual Monitor Capable (Barebone Only) (DW)

Price: ₦325,910
Apple iMac, MRR12B/A| Retina 5K Display| Intel Core i5| 27-inch| 8 GB RAM| 2 TB|macOS Catalina 10.15 (DW)

Price: ₦1,303,640
Apple iMac MRQY2B/A with Retina 5K display – Intel Core i5 processor – Laptop 27-inch|8 GB (installed) 1 x Hybrid Drive 1 TB (DW)

Price: ₦1,134,034
MICROSOFT Surface Dock (DW)

Price: ₦109,413
Apple iMac MRQY2B/A | Retina 5K display|IntelCoreI5 processor| macOS 10.15

Price: ₦1,134,034
Apple iMac, MRT32B/A| 21.5-Inch Retina 4K Display| 3.6GHz | English Keyboard (DW)

Price: ₦732,744
APPLE IMAC | 21.5-inch| 2.3GHz| dual-core Intel Core i5| macOS Catalina 10.15 (DW)

Price: ₦634,084
Zinox 23 Inch Adjustable Monitor|Flexibility at its peak

Price: ₦76,293
Zinox 19.5" Display LED Monitor

Price: ₦30,735
Zinox 21.5" Display LED Monitor

Price: ₦31,938
ZINOX AVID ALL IN ONE COMPUTER|21.5 INCH|4GB RAM|32GB EMMC|500GB HDD|WIN 10

Price: ₦178,989
Hp 290G2 Intel Dual Core MT 500GB/4GB Ram Desktop + 19'' Monitor (LC)

Price: ₦262,601
New!
Hp EliteDesk 800 G3 Tower PC +18.5 MONITOR Intel Core I5, 4GB RAM, 1TB HDD (LC)

Price: ₦354,868
New!
Lenovo V320-15iap - Dual Core - 4GB RAM, 500GB HDD - 21.5” - Freedos (LC)

Price: ₦163,239
New!
Hp AIO 20- INTEL PENTIUM QUADCORE 1TB/4GB (WHITE) (LC)

Price: ₦224,986
New!
HP 200 G3 AIO Desktop - Intel Core i3-8130U - 4GB RAM - 1TB HDD - 21.5" (LC)

Price: ₦305,186
New!
Dell - Inspiron 24-3477, 23.8-inch FHD, Intel Core i5-7200U, 8GB 2400MHz DDR4, 1 TB 5400 RPM HDD, Intel HD graphics 620 (LC)

Price: ₦418,744
New!
HP Pro One 400 G3 20" All-in-one - Intel Core i3 - 4GB RAM, 500GB Win 10 Home (LC)

Price: ₦212,920
New!
All In One Intel Core i3 lenovo Lenovo IdeaCentre V310Z FreeDOS Desktop 19.3 Inch 4 GB RAM 500 GB (LC)

Price: ₦234,213
New!
Lenovo Ideacentre 510-22ISH Intel Core i3 1tb Hdd, 8gb Ram 21.5 Inch Windows 10 (LC)

Price: ₦319,380
New!
HP All-in-One PC - 23.8" FHD Display, Intel Celeron G4900T, 1TB HDD, 4GB RAM, Windows 10, Snow White - (LC)

Price: ₦361,965
New!
HP N246V IPS MONITOR 24" (HDMI,DVI AND VGA) (LC)

Price: ₦70,974
New!
HP 20" ELITEDISPLAY E201 MONITOR (LC)

Price: ₦59,483
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Desktops

HP ProDesk 600 G5 SFF PC, 7AC44EA, Intel Core i5-9500| 4GB| 500GB| Windows10 Pro9 (DW)

Price: ₦407,941

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