Popular computer is a term that refers to computers that are widely used and well-known. Two examples of popular computers are APPLE and iMac. APPLE is a five letter word, while iMac is a four letter word. APPLE is an American multinational technology company that designs, develops, and sells consumer electronics, computer software, and online services. iMac is a range of all-in-one Macintosh desktop computers designed and built by APPLE Inc.