Computer Applications
CPU, memory
In this Class 9 Computer Applications topic from Basics of Information Technology, students learn how the Central Processing Unit (CPU) processes instructions and coordinates the computer’s operations. They explore the roles of the control unit, arithmetic logic unit, and registers, and understand how main memory stores data and programs during processing. The topic also introduces the difference between primary and secondary memory, along with basic ideas of RAM, ROM, storage capacity, and how memory affects computer performance.
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Practice questions are not available for this topic yet. We plan to add questions with clear explanations soon. You can keep practising other topics in the meantime.
- Class / subject
- 9 · Computer Applications
- Chapter
- Basics of Information Technology
- Topic
- CPU, memory
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