CIS105 – Computer Information Systems | 90 Exam Questions & Verified Answers | OS, Hardware, Moore’s Law, Databases

This document offers a comprehensive exam preparation guide for CIS105 (Computer Information Systems), containing 90 verified questions and answers based on the 2025/2026 syllabus. Topics range from foundational computing concepts to real-world business technology applications, including hardware types, operating systems (Windows, Mac, Linux), Moore’s Law, system memory (RAM, cache, virtual memory), data storage (FAT, defragmentation, cloud), database relationships, software suites, GUIs, device drivers, and business tech strategy. Each concept is clearly defined with practical examples that support both academic understanding and workplace application. This resource is ideal for: Undergraduate students in Information Systems or Business Technology Community college learners in introductory IT courses Certificate programs in Business Applications or IT Fundamentals Students preparing for midterms or finals in CIS or MIS-related subjects The document also covers modern storage solutions, including cloud, magnetic tape, RAID, and off-site backups—highlighting pros, cons, and disaster recovery. Software essentials like application suites, word processors, and spreadsheet tools (Excel, Word, Lotus 123) are explained with a focus on relevance in today’s professional environment. Concepts like open-source vs. proprietary systems, multitasking, embedded OS, and data organization hierarchies further enhance the scope. Keywords: CIS105, computer information systems, operating systems, Moore’s Law, RAM, CPU cache, virtual memory, file management, disk storage, hardware, software suite, Microsoft Office, Excel, Word, databases, DBMS, GUI, FAT, cloud storage, data backup, peripheral devices, drivers, open source, Windows vs Mac, embedded systems, storage strategies, business IT