C waa luuqad wax-qabad fiican oo aad u dakhso badan, si fudud waxay ula fal-gasha hardwares-ka, waana luuqada la adeegsado marka la dhisayo Operating Systems . Luuqadan waxyaabo fara badan ayaad ku dhisi karta oo ay ka mid yihiin: Operating systems, Embedded systems & firmware, System software(Compilers, interpreters, device drivers.), Game engines & graphics libraries, Databases, Networking stacks, Cryptography.