Introduction to Computer Systems (Secondhand) Weight: 0.5 KGs: Only €20.00 In stock Introduction to Computer Systems (Secondhand) quantity Add to cart pre-owned second hand secondhand International Computers Limited, 1972. Clúdach bog, riocht maith go leor. Dorchú ar an chlúdach, smáil air chomh maith. Bloc téacs an-ghlan. // Paperback, fair condition. Darkening and discolouration to cover. Text block very clean. Secondhand / Special Interest Secondhand / Books in English