Mar kasta oo aad wax ka akhrido bandhigga ama u soo baxdo si aad u dukaamaysato bandhigyada sida TV-ga ama kormeeraha kumbuyuutarka, waxaad hubaal ahaan lahayd inaad maqashay waxyaabo ku saabsan cabbirro kala duwan oo tayada iyo waxqabadka ugu weyn ee bandhigga lagu qiimeeyo. Xallinta^(Resolution) , Qiyaasta^{(Refresh Rate)} Cusboonaysiinta , Saamiga dhinaca^{(Aspect Ratio)} , iyo Cufnaanta Pixel -^{(Pixel Density –)} dhammaan xuduudahan oo dhan waa qasab si loo helo sawir sax ah, qallafsan, oo habboon oo midab leh. Bandhigu wuxuu ugu qiimaha badan yahay ciyaartoyda. Sida ugu wanagsan ee Frames -ka hawlihiisa ilbiriqsikiiba, ayaa ah in ciyaartu u ekaato mid fudud.

Aynu si faahfaahsan u eegno shuruudahan.

Waa maxay Qaraarka^(Resolution) , Heerka Cusbooneysii^{(Refresh Rate)} , Saamiga Dhinac^{(Aspect Ratio)} , Cufnaanta Pixel^{(Pixel Density)}

Pixel

Pixel waa shayga ugu yar ee lagu soo bandhigi karo shaashadda. Wax kale maaha ee waa dhibic shaashadda. Kooxaha dhibcahan ayaa wada iftiimaya si ay sawir uga sameeyaan bandhigga.

Haddaba, aan ku bilowno Qaraarka^(Resolution) .

Qaraarka

Baaxadda bandhigga waxaa lagu cabbiraa cabbirka jireed ee masaafada u dhexeysa 2 geesood oo iska soo horjeeda ee bandhigga. Tan waxaa badanaa lagu cabbiraa inch ama sentimitir midkood. Laakiin taasi ma samaynayso wax cadaalad ah oo noo suurtagelinaya inaan qiimayno tayada bandhigga. Sidaa darteed^(Hence) , waxaan u baahannahay inaan ogaanno cabbirrada qumman iyo cabbirka saxda ah ee bandhigga. Tan waxa si fudud u tilmaamaya xallinta. Tirada pixels ee loo habeeyey si toos ah tirada pixels ee si toosan loo habeeyey waa xallinta bandhigga. Tani waxay ka dhigan tahay in tirada pixels ee gudaha bandhigga, ay fiicnaan doonto tayada sawirka iyo sida uu u cad yahay sawirka la soo bandhigay. Laakiin taasi gabi ahaanba maaha arrintu. In dheeraad ah ayaan ka hadli doonaa.

Qaar ka mid ah qaraarada soo bandhigida caadiga ah ee laga helay bandhigyada waa sida soo socota:

• 2560 x 1440 (1440p)
• 1920 x 1080 ( FHD ama Full HD ama 1080p)
• 1600 x 900
• 1024 x 768
• 1280 x 720 (HD ama 720p)

Waxaad bedeli kartaa xallinta shaashaddaada adoo raacaya tillaabooyinkan,

Fur Dejinta Daaqadaha^{(Windows Settings)} . U gudub jidkan, System > Display . Halkan waxaad ka bedeli kartaa xallinta liiska hoos-u-hoosaadka ee hoos yimaada qaybta la yiraahdo,  Miisaanka iyo qaabeynta.^{(Scale and Layout.)}

Cufnaanta Pixel

Cufnaanta Pixel^{(Pixel Density)} ee bandhiga waxaa lagu tilmaamaa xaqiiqda ah in tirada pixels ee lagu soo bandhigay inchkiiba shaashadda. Wadarta tirada pixels ee shaashadda waa sheyga ka mid ah pixels si toos ah loo habeeyey iyo kuwa si toosan loo habeeyey ee bandhigga. Tani waa xallinta bandhigga. Tusaale ahaan, shaashadda Full HD , tirada pixels ee bandhiggu waa 1920 * 1080 kaas oo u soo baxaya  2073600 Pixels. Hadda, cufnaanta pixel ee dhabta ah ee bandhiga waxaa lagu xisaabiyaa qaacidadan,

Pixel Density= Root((Horizontal Number of Pixel^2) + (Vertical Number of Pixel^2))/The Size of the Screen

Sidaa darteed^(Hence) , shaashadda 1080p Full HD ee 15 inch ee cabbirku waxay noqon doontaa,

Square Root of((1920)^2 + (1080)^2)/15

Tani waxay la mid noqon doontaa 146.86 PPI ama 146.86 Pixels per Inch .

Sidaa darteed^(Hence) , tirada pixels ee ku jira bandhigga oo ka yar raadkeeda jireed, ayaa sii caddaanaya sawirku.

Saamiga dhinaca

Saamiga dhinaca bandhiggu waa saamiga^{(Aspect Ratio)} jiifka iyo habaynta toosan ee pixels ee shaashadda. Tani waxay ka dhigan tahay in xallinta soo-bandhigidda ay go'aaminayso saamiga cabbirka isla bandhigga. Sidaa darteed^(Hence) , bandhig * leh xallinta HD Full^{(Full HD Resolution)} ee 1920 x 1080, saamigu wuxuu noqonayaa 16:9. Saamiyada dhinacyada kale ee caanka ah ee aan ku aragno bandhigyada waa sida soo socota:

• 4:3
• 16:10
• 18:9
• 19:9
• 19.5:9

Inta badan saamiga dhinaca uu yahay, weynaana waa jir ahaaneed, iyo sidoo kale raad-raaca muuqaalka ah iyo muuqaalka sawirka, ayaa noqon lahaa. Saamiyada ugu caansan ee PC-yada iyo Laptops -yada waa 16: 9 iyo 4: 3. Halka, taleefannada gacanta 16: 9 loo tixgeliyey inay yihiin wax caadi ah laakiin dhawaanahan, qaybta 18: 9 ayaa ku soo badanaya warshadaha.

Qiyaasta dib u cusbooneetisay

Ereygani waa is-sharaxaadda. Waa awooda bandhiga taasoo ay ku bedesho sawirada muuqaalka. Heerarka cusboonaysiinta inta badan la helo waa 50Hz iyo 60Hz. Tan waxa kale oo loo xisaabin karaa 50 FPS ( Freemes^(Frames) per second) iyo 60 FPS . Tani waxay ka dhigan tahay in bandhiggu uu muujin karo 60 xaaladood oo kala duwan oo muuqaal ah marka loo dhigo 60Hz ama 60 FPS . Tani waxay ka dhigan tahay in in ka badan heerka dib u soo kicinta ee bandhiggu uu noqon doono, sida fudud ee kala guurka sawirka ayaa lagu soo bandhigi doonaa shaashadda.

Waxaad u dejisan kartaa si waafaqsan doorashadaada Windows 10 sida soo socota:

Fur Settings Windows^{(Windows Settings)} , oo u gudub System > Display > Advanced Display Settings > Display Adapter properties for Display  X.  Halkan, X waxa ay tilmaamaysaa nambarka bandhigga ee kombayutarkaagu isticmaalayo.

Daaqad yar oo cusub oo leh sifooyinka muuqaalkaaga ayaa furmi doona. U beddel tab la yiraahdo  Monitor. Oo hadda, waxaad u rogi kartaa Heerka Cusbooneysii^{(Refresh Rate)} shaashaddaada.

Waxaa jira barnaamijyo kala duwan oo sheeganaya inay awood u leeyihiin inay beddelaan astaamahan ku tiirsan hardware-ka iyadoo la adeegsanayo dhinaca software-ka ee kumbuyuutarka. Laakiin waxay ku xaddidan yihiin shaqeyntooda. Ma keeni karaan tayada sababtoo ah xaddidaadyada ku qasbay qalabka dhabta ah. Sidaa darteed^(Hence) , isticmaalkooda muddo dheer, waxaa laga yaabaa inaysan ku siin khibradaada saxda ah sidii loogu talagalay.

Resolution, Refresh Rate, Aspect Ratio and Pixel Density of a display

Whenever you reаd about a display or got out in to shop for displays like a TV or a monitor for a computer, you would havе definitely heаrd about various pаrameters upon which the main quality and performance of the display might bе judged. Reѕolution, Refresh Rate, Aspect Ratio, аnd Pixel Density – all these аll parameters arе mandatory to get a proper, crisper, and propеrly color-sаturаted imаge. The display is moѕt valuablе for gamers. The better the Frames its processes per second, the smoоther the gameplay looks.

Let us just check out these terms in a bit detail.

What is Resolution, Refresh Rate, Aspect Ratio, Pixel Density

Pixel

Pixel is the smallest element that can be displayed on a screen. It is nothing but a dot on the screen. The clusters of these dots light up together to form a picture on the display.

Now, let us start with the Resolution.

Resolution

The size of a display is measured by the physical size of the distance between 2 diagonally opposite corners of a display. This is usually measured in either inches or centimeters. But that does not do any justice of enabling us to judge the quality of the display. Hence, we need to know the exact horizontal and vertical dimensions of the display. This is simply denoted by the resolution. The number of pixels arranged horizontally by the number of pixels arranged vertically is the resolution of the display. This means that the number of pixels inside the display, the better will be the picture quality and the clearer the picture displayed would be. But that is not entirely the case. We will discuss that further.

Some of the common display resolutions found on the displays are as follows:

• 2560 x 1440 (1440p)
• 1920 x 1080 (FHD or Full HD or 1080p)
• 1600 x 900
• 1024 x 768
• 1280 x 720 (HD or 720p)

You can change the resolution of your display by following these steps,

Open Windows Settings. Navigate to this path, System > Display. Here you can change the resolution from the drop-down menu under the section called, Scale and Layout.

Pixel Density

Pixel Density of a display is denoted by the fact that the number of pixels displayed per inch on the display. The total number of pixels on the screen is the product of the horizontally arranged and the vertically arranged pixels of the display. This is the resolution of the display. For example, for a Full HD display, the number of pixels on the display is 1920 * 1080 which comes out to be 2073600 Pixels. Now, the actual pixel density of a display is calculated by this formula,

Pixel Density= Root((Horizontal Number of Pixel^2) + (Vertical Number of Pixel^2))/The Size of the Screen

Hence, for a 1080p Full HD display of 15 inches in size would be,

Square Root of((1920)^2 + (1080)^2)/15

This will equal to 146.86 PPI or 146.86 Pixels Per Inch.

Hence, the number of pixels that are present on a display which is smaller in its physical footprint, the clearer the image would be.

Aspect Ratio

The Aspect Ratio of a display is the ratio of the horizontal and the vertical arrangement of pixels on the display. This means that the resolution of a display decides what aspect ratio of the same display would be. Hence, a` display with a Full HD Resolution of 1920 x 1080, the aspect ratio would be of a 16:9. Other really famous aspect ratios that we get to see in displays are as follows:

• 4 : 3
• 16: 10
• 18: 9
• 19: 9
• 19.5: 9

The more the aspect ratio is, the larger is the physical, as well as the virtual footprint and viewport of the image, would be. The most famous aspect ratios for PCs and Laptops are 16: 9 and 4 : 3. While, for mobile phones 16: 9 was considered to be common but recently, the 18: 9 category is trending in the industry.

Refresh Rate

This term is self-explanatory. It is the ability of the display by which it changes the images on the display. The most commonly found refresh rates are 50Hz and 60Hz. This can also be calculated as 50FPS (Frames per second) and 60 FPS. This means that the display can show up 60 different instances of an image in a display when set to 60Hz or 60 FPS. This means that more the Refresh Rate of a display would be, the smoother the transition of the image would be displayed on the screen.

You can set it according to your choice on Windows 10 as follows-

Open Windows Settings, and navigate to System > Display > Advanced Display Settings > Display Adapter properties for Display X. Here, X denotes the display number that your computer is using.

A new mini window with the properties of your display will open up. Switch to the tab called Monitor. And now, you can toggle the Refresh Rate for your display.

There are various software that claims to have the ability to toggle these hardware-dependent features using the software aspect of a computer. But they are limited in functionality. They cannot deliver quality due to the limitations forced by the real hardware. Hence, using them for long, might not give your proper experience as intended.

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