Introduction
If you are preparing for exams and want to improve your understanding of computer basics, these Class 9 IT MCQ with Solutions questions will help you practice important concepts easily. This post covers key topics such as computer systems, CPU (CU, ALU, Registers), memory types (RAM, ROM, Cache), storage devices, and input/output devices. Each question in this Class 9 IT MCQ with Solution set is designed to help students quickly revise concepts and test their knowledge in a simple and exam-oriented way.

Computer Systems MCQ Quiz
1Computer Systems & Components
This section covers the fundamentals of computer systems, their characteristics, and the core components that make a computer work — including the CPU and its sub-units.
2Memory — Primary & Secondary
This section explores the different types of memory in a computer system, including RAM, ROM, cache, and secondary storage — and how each type stores and retrieves data.
3Storage Devices
This section focuses on various external and internal storage devices — including hard disks, CD-ROM, DVD, pen drives, memory sticks — and their roles in data storage.
4Input & Output Devices
This section examines the input and output devices that allow users to interact with a computer — including keyboards, mice, monitors, printers, and many more peripherals.