TY - BOOK TI - IT essentials v8 : : companion guide SN - 9780138166106 AV - TK 7885 Ite PY - 2023/// CY - Hoboken, NJ PB - Cisco Press KW - Information technology KW - Microcomputers - Problems, exercises, etc KW - Microcomputers - Handbooks, manuals, etc N1 - 30197 ER -