Lub luag haujlwm tseem ceeb ntawm lub thawv ntim khaub ncaws yog los tiv thaiv cov khoom thiab xyuas kom lawv tsis txhob puas tsuaj thaum thauj thiab khaws cia. Tsis tas li ntawd, lawv tseem ua haujlwm tseem ceeb hauv qab no:
-Kev Tiv Thaiv: Tiv thaiv cov khaub ncaws los ntawm kev nyem, rub, lossis ntub dej thaum lub sijhawm thauj mus los, kom ntseeg tau tias lawv tuaj txog tsis zoo rau cov neeg siv khoom.
-Display: Cov ntim zoo nkauj tuaj yeem txhim kho qhov pom kev pom ntawm cov khoom thiab ua kom cov neeg siv khoom txaus siab rau kev yuav khoom.
-Kev Sib Txuas Lus: Cov qauv tsim ntim feem ntau suav nrog cov khoom muag pom, xws li lub logo, xim, thiab fonts, los pab cov neeg siv khoom txheeb xyuas cov hom lag luam.
-Txoj kev yooj yim: Lub qhov dej zoo- tsim qauv ntim tso cai rau cov neeg siv khoom tshem tawm cov khaub ncaws yooj yim thiab yooj yim khaws cia lossis rov siv dua.
