@mysantro95
First of all welcome to Pakwheels.com even cultus has "computer" in its engine. Its called ECU which is present in every EFi car. EFi (Electronic fuel Injection) engine is always being controlled by that computer (ECU)
Now a days almost every car is EFi except Mehran, Alto, Ravi, Bolan etc..... Hope that makes ur concept a bit clear