Codage des caractèresvignette|alt=Carte rectangulaire beige clair avec dans le sens de la longueur 10 lignes constituées chacune d'une suite de chiffre identique, de 1 à 10. Des perforations verticales font disparaître certains de ces chiffres|Carte perforée à 80 colonnes, sur laquelle est codé le texte de programmation « CALL RCLASS (AAA, 21, NNC, PX3, PX4) ».
Topics in technology companiesA technology company (or tech company) is a company that focuses primarily on the manufacturing, support, research and development of — most commonly computing, telecommunication and consumer electronics-based — technology-intensive products and services, which include businesses relating to digital electronics, software, optics, new energy and internet-related services such as cloud storage and e-commerce services. According to Fortune, , the ten largest technology companies by revenue are: Apple Inc.
