Weligaa ma maqashay ereyga NKRO ama 6KRO ? Ma^(Did) maqashay saaxiib ku jira ciyaaraha kombayutarka, oo ka hadlaya kiiboodhka cusub ee 10-furaha^{(10-key rollover)} ah? Ma la yaabtay waxa ay taasi ka dhigan tahay iyo in ay tahay arrin muhiim ah in la tixgeliyo marka la iibsanayo kiiboodhka cusub? Haddii aad rabto inaad wax badan ka ogaato mawduucan, waa inaad akhridaa maqaalkan, oo aan ku sharraxeyno waxa NKRO yahay iyo sababta ay muhiimka u tahay in lagu fuliyo kumbuyuutarkaaga:

Waa maxay macnaha NKRO ? Qeexitaanku!

Sida caadiga ah, hal fure oo keliya ayaa markiiba lagu riixaa kiiboodhka. Si kastaba ha ahaatee, xaaladaha qaarkood, wax ka badan hal fure ayaa la riixi karaa isku mar. Tusaale ahaan, haddii aad tahay ciyaaryahan, waxaa laga yaabaa inaad riixdo laba, saddex, ama xitaa furayaal ka badan isku mar, sababtoo ah dabeecaddaadu waa inay socotaa oo toogtaa isku mar, ama waxaa laga yaabaa inaad sameyso dhowr sixir oo kala duwan si isku mid ah. . Sidoo kale, haddii aad tahay farsamo yaqaan degdeg ah, waxaa laga yaabaa inaad inta badan isku aragto adiga oo mar hore riixaya furaha labaad ee kiiboodhkaaga, iyadoo kii hore weli la riixayo.

Tani waa meesha NKRO ka soo gasho ciyaarta. NKRO waa erey la soo gaabiyay N-Key RollOver waxaana loola jeedaa awoodda kiiboodhka si uu si sax ah u garto oo u diiwaan geliyo dhammaan furayaasha isku mar la riixo. Haddii aad haysato kiiboodhka NKRO^(NKRO) , waxa aad ku riixi kartaa furayaasha inta aad rabto isla mar ahaantaana, kiiboodhka ayaa mid walba si sax ah u diiwaan gelin doona.

Immisa furayaal isku mar la riixay ayaa si sax ah ugu diiwaan gashan kiiboodhkaga NKRO^(NKRO) ?

Kiiboodhka^(NKRO) taageera tignoolajiyada NKRO wuxuu awood u yeelan karaa inuu si sax ah isu diiwaan geliyo in ka yar oo kaliya laba fure oo la riixay markiiba, ama in ka badan dhammaan furayaasha ku yaal. Iyada oo ku xidhan tirada ugu yar^(minimum) ee furayaasha oo aad isku mar ku cadaadin karto kiiboodhka gaarka ah, waxa aad u kala saari kartaa sida 2-key rollover , 3-key rollover kiiboodhka iyo wixii la mid ah.

Wax-soo-saarayaashu waxay inta badan xayaysiiyaan furaha rogaal-celinta ugu yar ee ay taageerayaan kiiboodhka ay adeegsadaan, iyagoo ka beddelaya xarafka N ee soo gaabinta NKRO , oo wata qiyamka rogaal-celinta muhiimka ah ee dhabta ah. Tusaale ahaan, kiiboodhka 2-muhiimka ah ee rollover-ka^{(2-key rollover)} waxaa loo tixraacaa kiiboodhka 2KRO; Kiiboodhka 3-muhiimka ah ee rollover-ka^{(3-key rollover)} waxaa loo tixraacaa kiiboodhka 3KRO iyo wixii la mid ah. Haddii rogrogga furaha ugu yar ee uu taageerayo kiiboodhka uu la mid yahay dhammaan furayaasha ku yaal, waxaanu u tixraacnaa inuu yahay kiiboodhka NKRO oo buuxa^{(Full NKRO)} .

Jawaabta su’aasha aan ku weydiinay ciwaanka qeybtan, waa tan.

• Haddii kiiboodhkaagu lagu qiimeeyo 2KRO , waa inuu si sax ah u diiwaan geliyaa laba fure oo isku mar la riixo.
• Haddii kiiboodhkaagu lagu qiimeeyo 3KRO , waa inuu si sax ah u diwaangeliyaa saddex fure oo isku mar la riixo.
• … iyo wixii la mid ah, ilaa NKRO . Haddii kiiboodhkaga lagu qiimeeyo NKRO , waa inuu awood u leeyahay inuu si sax ah u diiwaangeliyo dhammaan furayaasha ku yaal, xitaa haddii aad dhammaantood isku mar riixdo. Taasi macquul maaha in lagu sameeyo gacmahaaga qaawan, miyaanay ahayn?

Waa kuwee fulinta ugu badan ee NKRO ?

Hirgelinta NKRO^(NKRO) ee ugu caansan maanta waa 6KRO iyo NKRO buuxa. Kiiboodhka 6KRO^(6KRO) waa meel dhexe oo u dhaxaysa kiiboodhka NKRO^{(Full NKRO)} ee qaaliga ah ee caadiga ah iyo kiiboodhka jaban ee furaha rogroga hoose. Haddii aad tahay ciyaaryahan, tirakoob ayaa daaha ka qaaday in inta badan ciyaaraha aysan ka faa'iideysan kumbuyuutarka ka badan 6KRO .

Sababta kale ee taasi waxay noqon kartaa caqli-galnimo: inta badan ciyaaraha, ciyaartoyda sida caadiga ah waxay ku hayaan hal gacan oo ah jiirka iyo kan kale ee kumbuyuutarka. Haddii aad isticmaasho dhammaan farahaaga si aad u riixdo furaha kumbuyuutarka, waxaad riixi kartaa kaliya shan fure markiiba. Markaa, rujin 6-muhiim ah^{(6-key rollover)} waa inay ku filnaataa qof kasta.

Waa maxay ghosting furaha?

Haddii kiiboodhkaagu aanu haysan qalabkii loo baahnaa si uu si sax ah u diiwaangeliyo dhammaan furayaasha la riixay mar uun, waxa laga yaabaa inay diiwaangeliso mid dheeraad ah oo aan shaqo ku lahayn furayaasha la riixo. Tusaale ahaan, haddii aad riixdo W, E, iyo X , kiiboodhka wuxuu kaloo diiwaan gelin karaa C . Markaa… waxaad ku qortaa WEX , laakiin kumbuyuutarkaagu (keyboard) wuxuu diiwangeliyaa WEXC .

Tan waxaa loo yaqaan ghosting, maadaama furaha dheeriga ah ee ka diiwaangashan kiiboodhka uu keeno saameyn dhab ah, inkastoo aan dhab ahaantii la cadaadin. Waxay la mid tahay sida ruuxa kuu dhow oo uu furayaasha ku cadaadiyo kiiboodhkaaga! 🙂

Dareen-celinta muhiimka ah^(Key) waxay u dhici kartaa sababo badan awgood:

• Waxay noqon kartaa natiijada xaddidaadda qalabka ee kiiboodhkaaga,
• Waxay noqon kartaa natiijada software (sida nidaamka qalliinka, app, ama ciyaarta) oo aan diiwaan gelin karin furayaal badan marka la riixo isku mar, ama
• Waxay u muuqan kartaa sababta oo ah habka macluumaadka looga soo wareejiyo kiiboodhka loona wareejiyo kombiyuutarkaaga

Sababaha labaad iyo kan saddexaad waxa maareyn kara soosaarayaasha software-ka. Si kastaba ha ahaatee, waxa muhiimka ah markaad iibsanayso kiiboodhka waa in qalabkiisu uu taageerayo anti-ghosting. Wax badan oo taas ku saabsan qaybta xigta ee casharkan.

Waa maxay jaamamka furaha, haddii kale loo yaqaanno ka-hortagga ghostingka ama xannibaadda furaha?

Ka-hortagga ghosting^{(Anti-ghosting)} , jamming furaha, ama xannibaadda furaha, waa ereyo ay dhammaantood tixraacayaan shay isku mid ah: muuqaal u oggolaanaya kumbuyuutarka inuu joojiyo diiwaan gelinta furayaasha dheeraadka ah marka la gaaro xadka furaha^{(key rollover)} wareejintiisa . Taasi waxay la macno tahay in kiiboodhka uu xannibo ghosting furaha.

Waxaa xusid mudan in inta badan kiiboodhka casriga ahi ay leeyihiin sifadan, markaa ghosting waa wax badan oo la soo dhaafay. Taasi waa ilaa aad isticmaalayso kiiboodhka raqiis ah, oo xaaladaas, waxaad ku arki kartaa saamaynta ghosting.

Ma u baahan tahay kiiboodhka NKRO?

Sidaad ogtahay hadda, NKRO waa muuqaal ku habboon kiiboodhkaaga. Waxay hubisaa in dhammaan furayaasha aad riixdo ay si sax ah ugu diiwaan gashan yihiin kumbuyuutarkaaga oo aysan jirin kuwo aan loo baahnayn. Si kastaba ha ahaatee, nolosha dhabta ah, waxaan aaminsanahay in aad u baahan tahay oo kaliya kiiboodhada leh 6KRO , ama 6-muhiimka ah rollover^{(6-key rollover)} . Way adag tahay in la qiyaaso app kasta oo aad ku qasban tahay inaad isku mar riixdo lix fure oo kala duwan. Inta badan, haddii aad tahay gamer hardcore, waxaa laga yaabaa inaad ka faa'iidaysan karto isticmaalka kumbuyuutarka oo leh 10KRO (10-key rollover), kaas oo si dhab ah u dabooli doona xaalad kasta oo aad ku qasban tahay inaad ku riixdo toban furayaal oo kala duwan isla mar ahaantaana kumbuyuutarkaaga. Ciyaaraha ama abka kaliya ee kaaga baahan kara wax kuu dhow ayaa laga yaabaa inay ku saabsan yihiin ciyaarista aaladda, sida geesiga Guitar^{(Guitar Hero)} .

Dhanka kale, ku shaqaynta kiiboodhka oo taageera wax ka yar 6KRO waxay leedahay cilladaheeda. Marna ma hubin kartid in dhammaan furayaasha aad riixdo ay si sax ah uga diiwaangashan yihiin ciyaarta aad jeceshahay. Sidoo kale ma hubin kartid in xarfaha ereyadaada laga booday iyo in qoraallada aad samaysay ay khaladkaaga yihiin ama ay khaladka kiiboodhkaagu yihiin.

Gabagabada waxaan rabnay inaan gaadhno, haddii aad rabto inaad si fiican wax u qori karto ama khibrad ciyaareed, waxaa fiican inaad adigu hesho kiiboodhka 6KRO^(6KRO) . Kiiboodhka NKRO ee buuxa^{(Full NKRO)} waxay u muuqdaan inay leeyihiin qiimo sare, iyo kiiboodhka wax ka yar 6KRO ma bixin karaan khibrad isticmaale oo la mid ah.

Sidee loo tijaabiyaa in kiiboodhkaagu leeyahay NKRO iyo in kale?

Haddii aad rabto in aad tijaabiso kiiboodhkaga si aad u aragto in uu leeyahay NKRO , 6KRO iyo in ka yar, halkan waxa ah dhawr agab oo aad isku daydo:

• Aqua Key Test - waa app loogu talagalay Windows , kaas oo aad soo dejisan karto oo aad socodsiin karto, adiga oo aan waxba ku rakibin kombiyuutarkaaga.
• Tijaabada Rollover-^{(Rollover test)} waa bog fudud oo aad ku tijaabin karto kiiboodhkaga.
• Muujinta Ghosting kiiboodhka^{(Keyboard Ghosting Demonstration)} - abka mareegaha ee ay samaysay Microsoft .

Ma isticmaashaa kiiboodhka NKRO?

Kiiboodhka NKRO^(NKRO) waa faa'iido leh haddii aad tahay gamer ama farsamo yaqaan. Si kastaba ha noqotee, haddii aad kaliya sameyso shaqo xafiis ama haddii aadan ahayn teeb si gaar ah u dhaqsaha badan, waxaad ku fiicnaan kartaa kaliya 2-keyboard rollover^{(2-key rollover)} ah oo leh anti-ghosting. Kahor intaadan xidhin maqaalkan, nala soo socodsii inaad isticmaasho kiiboodhka NKRO^(NKRO) iyo in kale . Waa maxay nooca hirgelinta NKRO kaaga ? Hoos ka faallooda^(Comment) oo aan ka doodno.

Simple questions: What is the NKRO technology for keyboards?

Have you ever heаrd of the term NKRO or 6KRO? Did you hear a friend who is into computer games, talking about his or her brand new 10-key rollover keyboard? Have you wondered what that means and whether it is an important aspect to consider when buying a new keyboard? If you want to know more about this subject, you should read this article, in which we explain what NKRO is and why it is important for it to be implemented on your keyboard:

What does NKRO mean? The definition!

Usually, only one key is pressed on a keyboard at a time. However, in some situations, more than just one key can be pushed at the same time. For instance, if you are a gamer, you might have to press two, three, or even more keys at the same time, because your character must run and shoot at the same time, or maybe you have to cast a few different spells concurrently. Also, if you are a fast typist, you might often find yourself already pushing a second key on your keyboard, while a previous one is still pressed.

This is where NKRO comes into play. NKRO is an acronym for N-Key RollOver and refers to the ability of a keyboard to correctly identify and register all the keys that are simultaneously pressed on it. If you have an NKRO keyboard, you can press as many keys as you want on it, simultaneously, and the keyboard will register each of them correctly.

How many simultaneously pressed keys are correctly registered by your NKRO keyboard?

A keyboard that supports NKRO technology can have the ability to correctly register as few as only two pressed keys at a time, or as many as all the keys on it. Depending on the minimum number of keys that you can simultaneously press on a specific keyboard, you can classify it as a 2-key rollover, 3-key rollover keyboard and so on.

Manufacturers usually advertise the minimum key rollover supported by their keyboards, by changing the N letter from the NKRO acronym, with the actual key rollover values. For instance, a 2-key rollover keyboard is referred to as a 2KRO keyboard; a 3-key rollover keyboard is referred to as a 3KRO keyboard and so on. If the minimum key rollover supported by a keyboard is equal to all the keys on it, we refer to it as being a Full NKRO keyboard.

The answer to the question we asked in the title of this section, is this:

• If your keyboard is rated 2KRO, it should correctly register two keys that are simultaneously pressed
• If your keyboard is rated 3KRO, it should correctly register three keys that are simultaneously pressed
• … and so on, up to NKRO. If your keyboard is rated NKRO, it should be able to accurately register all the keys on it, even if you are pressing all of them simultaneously. That would be impossible to do with your bare hands, wouldn't it?

Which are the most common NKRO implementations?

The most common NKRO implementations today are 6KRO and Full NKRO. 6KRO keyboards are a middle ground between the usually expensive Full NKRO keyboards and the cheap keyboards with lower key rollover. If you are a gamer, statistics have revealed that most games do not benefit from a keyboard with more than 6KRO.

Another reason for that can be common sense: in most games, gamers usually hold one hand on the mouse and the other on the keyboard. If you use all your fingers to press a key on the keyboard, you can press only five keys at a time. So, 6-key rollover should be enough for anyone.

What is key ghosting?

If your keyboard does not have the required hardware to be able to correctly register all the keys that are pressed at some point, it might register an additional one that has nothing to do with the keys that are pressed. For instance, if you press W, E, and X, the keyboard could also register C. So… you type WEX, but your computer (keyboard) registers WEXC.

This is called ghosting, as the additional key that is registered by the keyboard produces real effects, although it is not actually pressed. It is just like a ghost is near you and presses keys on your keyboard! 🙂

Key ghosting can occur because of multiple reasons:

• It can be a result of a hardware limitation in your keyboard,
• It can be the consequence of software (such as the operating system, an app, or a game) that cannot register multiple keys when they are pressed at the same time, or
• It can appear because of the way information is transferred from the keyboard to your computer

The second and third reasons can be handled by software manufacturers. However, what matters when you buy a keyboard is that its hardware supports anti-ghosting. More on that in the next section of this tutorial.

What is key jamming, otherwise known as key anti-ghosting or key blocking?

Anti-ghosting, key jamming, or key blocking, are terms that all refer to the same thing: a feature that allows the keyboard to stop registering additional keys when its key rollover limit has been reached. That means that the keyboard blocks key ghosting.

It is worth noting that most modern keyboards have this feature, so ghosting is more of a thing of the past. That is unless you are using a cheap keyboard, and in that case, you might see ghosting effects on it.

Do you need an NKRO keyboard?

As you know by now, NKRO is a feature that is good to have on your keyboard. It makes sure that all the keys you press are registered correctly on your keyboard and that no unwanted ones are. However, in real-life, we believe that you only need keyboards that have 6KRO, or 6-key rollover. It is hard to imagine any app in which you would have to press six different keys simultaneously. At most, if you are a hardcore gamer, maybe you could benefit from using a keyboard with 10KRO (10-key rollover), which would practically cover any scenario in which you would have to press ten different keys on your keyboard, at the same time. The only games or apps that could require you something close to that would probably have to be about playing an instrument, such as Guitar Hero.

On the other hand, working with a keyboard that supports less than 6KRO has its drawbacks. You can never be sure that all the keys you press are registered correctly by your favorite game. You also cannot be sure whether the skipped letters in your words or the typos you make, are your fault or they are your keyboard's fault.

The conclusion we wanted to get to is that, if you want a good typing or gaming experience, it is best that you get yourself a 6KRO keyboard. Full NKRO keyboards tend to have a higher price, and keyboards with less than 6KRO cannot offer the same user experience.

How to test whether your keyboard has NKRO?

If you want to test your keyboard to see whether it has NKRO, 6KRO or less, here are a few resources for you to try:

• Aqua Key Test - is an app for Windows, which you can download and run, without installing anything on your computer.
• Rollover test - a simple web page on which you can test your keyboard.
• Keyboard Ghosting Demonstration - a web app developed by Microsoft.

Do you use an NKRO keyboard?

NKRO keyboards are useful if you are a gamer or a typist. However, if you only do office work or if you are not a particularly fast typist, you can do great with just a 2-key rollover keyboard that has anti-ghosting. Before closing this article, let us know whether you use an NKRO keyboard. What is the type of your NKRO implementation? Comment below and let's discuss.

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