Hajek, Darrell. Introduction to Computers : 2022 Edition / Darrell Hajek and Cesar Herrera. - USA : Independently published, 2022. - xv, 237p. : ill. ; 26cm. Includes reference. ISBN: 9798830413732 Subjects--Topical Terms: Computer. LC Class. No.: QA76.5 / .H335 2022 Dewey Class. No.: 004/HAJ