Hluav taws xob cov thawv tuaj rau ntau cov duab thiab qhov ntau thiab tsawg.
Cov npov no siv rau qhov chaw, cov keyboards, qab nthab, cov thawv ntawv sib txuas, thiab kom tuav cov xov hlau qhuav. Nyob ntawm seb qhov loj thiab cov duab ntawm lub thawv, hluav taws xob thawv tuav ntau cov nqi ntawm cov xov hlau. Muaj puag ncig, square, retangular, ntiav, tsis muaj huab cua, thiab lub thawv ncua ntxiv.
Tag nrho cov thawv tuaj yeem ua raws li tus neeg thov kev pabcuam, yog li cov ntaub ntawv tiav lawm yuav yog qhov khoom kawg. 
