question very different

[hamza_intel]

Aoa...
Laptop kay keypad mai lights qeu nai hoteee?
When we use in at night
jese mobile kay keypad mai hotee hai lights

[M-Qasim]

Kion Ke Us ki Zarorat nahi hoti
LCD Ki Light Kafi hoti hai Keys
Ko Deikhne ke Liye

[coolcool1227]

Waisay eik wajah yeh bhi hei k Laptop ki keyboard eik elahida mukamil part hei, jab k mobile ka keypad ka connection direct circuit board pe hota hei aur woh LEDs circuit board pe sold hoti hein. Aur waisay bhi LEDs laganay se power consumption bhi ziada ho jati hei aur aisa kerne se keyboard ka connector design bhi change kerna perry ga.