Class 11 Computer Science — Chapter 1: Computer System
Free AI tutor + NCERT notes for Chapter 1: Computer System. 7 topics covered. Ask any question by voice or text in Hindi or English.
What you'll learn
- ▸Fundamentals of a Computer System
- ▸Core Components of a Computer
- ▸Central Processing Unit (CPU)
- ▸Input Devices
- ▸Output Devices
- ▸Evolution of Computing Devices
- ▸Von Neumann Architecture
Chapter Summary
--- PAGE 1 --- 11149CH01 COMPUTER CHAPTER SYSTEM 1 "A computer would deserve to be called intelligent if it could deceive a human into believing that it was human." — Alan Turing In this chapter » Introduction to Computer System » Evolution of Computer » Computer Memory » Software 1.1 INTRODUCTION TO COMPUTER SYSTEM A computer is an electronic device that can be programmed to accept data (input), process it and generate result (output). A computer along with additional hardware and software together is called a computer system. A computer system primarily comprises of a central processing unit, memory, input/output devices, and storage devices. All these components function together as a single unit to deliver the desired output. A computer system comes in various forms and sizes. It can vary Reprint 2025-26 --- PAGE 2 --- 2 INFORMATICS PRACTICES – CLASS XI Secondary …
Practice Questions from this Chapter
Tap "Get Solution" on any question to ask our AI tutor.
- Explain computer memory simply. Get Solution →
- Describe how a CPU works. Get Solution →
- List common input devices. Get Solution →
- According to the text, what is an electronic device that can be programmed to accept data, process it, and generate results? Get Solution →
- What does CPU stand for? Get Solution →
- Which component of the CPU is responsible for performing all arithmetic and logic operations? Get Solution →
- Which of the following is listed as an example of an input device? Get Solution →
- What is the most commonly used device to get output in a physical (hardcopy) form? Get Solution →
Did you know?
- 💡 The term "computer" first described a human who performed calculations.
- 💡 Early computers were so large they filled entire rooms with vacuum tubes.
- 💡 The first computer mouse was carved from wood in the 1960s.
- 💡 Modern CPUs can perform billions of calculations every single second.
- 💡 A single modern smartphone has more power than NASA's Apollo 11 moon mission computers.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 7 key topics: Fundamentals of a Computer System, Core Components of a Computer, Central Processing Unit (CPU), Input Devices, Output Devices, and more. The BrainWeave AI tutor explains each one with examples.
Is Chapter 1: Computer System important for board exams?
Class 11 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.
Can I get NCERT solutions for this chapter in Hindi?
Yes. BrainWeave's AI tutor supports Hindi, English, and Hinglish for both voice and text chat. Just ask your question in your preferred language.
Is BrainWeave free for Class 11 - Commerce?
Yes. BrainWeave's free Spark plan gives generous daily messages — enough for regular homework. Premium features unlock when you bring your own free Google Gemini API key.
Can I use voice chat for this chapter?
Absolutely. Tap the mic, ask any question about Chapter 1: Computer System, and the AI tutor will explain it back in voice and text.
How is BrainWeave better than static NCERT solutions sites?
Static solution sites give the same answer to everyone. BrainWeave adapts to your question — ask "explain like I'm 12" or "give a real-world example" and get a personalized response. Voice mode and Hindi support work seamlessly.
Related Chapters
Ask Any Question About Chapter 1: Computer System
Voice or text. Hindi or English. Free to start. No signup required.
Start Now →