Class 11 Computer Science — Chapter 1: Computer System
Free AI tutor + NCERT notes for Chapter 1: Computer System. 8 topics covered. Ask any question by voice or text in Hindi or English.
What you'll learn
- ▸Components of a Computer System
- ▸Central Processing Unit (CPU)
- ▸Role of ALU and CU
- ▸Input Devices
- ▸Output Devices
- ▸Evolution of Computing
- ▸Von Neumann Architecture
- ▸Integrated Circuits (IC) and Miniaturization
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 Storage Devices …
Practice Questions from this Chapter
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- Show modern computer parts. Get Solution →
- Explain how a CPU works. Get Solution →
- Describe the first computer. Get Solution →
- According to the text, what is a computer system? Get Solution →
- What is the CPU (Central Processing Unit) often referred to as? Get Solution →
- Which of the following are the two main components of the CPU, besides registers? Get Solution →
- Which of the following is listed as an example of an input device? Get Solution →
- Which device is mentioned as being used to get output in a physical (hardcopy) form? Get Solution →
Did you know?
- 💡 The very first computer mouse was carved from wood in the 1960s.
- 💡 Before machines, "computer" was a job title for people doing calculations.
- 💡 Your smartphone holds more computing power than all of NASA in 1969.
- 💡 Computer chips, including the CPU, are primarily made from refined sand.
- 💡 The first actual "computer bug" was a moth found in an early computer.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 8 key topics: Components of a Computer System, Central Processing Unit (CPU), Role of ALU and CU, 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?
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