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
- ▸Components of a Computer System
- ▸Central Processing Unit (CPU)
- ▸Input Devices
- ▸Output Devices
- ▸Evolution of Computing Devices
- ▸Von Neumann Stored Program Concept
- ▸Primary vs. Secondary Memory
Chapter Summary
--- PAGE 1 --- CHAPTER 1 COMPUTER SYSTEM 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 a central processing unit (CPU), 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 from a high-end server to personal desktop, laptop, tablet computer, or a smartphone. Figure 1.1 shows the block diagram of a computer system. The directed lines represent the flow of data and signal between the components. “A computer would deserve to be called intelligent if it could deceive a human into …
Practice Questions from this Chapter
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- Explain how computers 'think'. Get Solution →
- Show me future computer inventions. Get Solution →
- Create a computer history quiz. Get Solution →
- What is a computer defined as in the text? Get Solution →
- What is commonly referred to as the brain of the computer? Get Solution →
- Which of the following is an example of an input device mentioned in the text? Get Solution →
- According to the text, which device is used to get output in physical (hardcopy) form? Get Solution →
- Who invented the Analytical Engine, which is considered the basis of modern computers? Get Solution →
Did you know?
- 💡 A modern computer CPU can perform billions of calculations every single second.
- 💡 Early computers were so massive they filled entire rooms, often weighing many tons.
- 💡 The term 'computer bug' originated when a real moth caused a malfunction in an early computer.
- 💡 Alan Turing, a computer pioneer, helped crack secret codes during World War II.
- 💡 Computer chips are made primarily from highly purified sand, specifically silicon.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 7 key topics: Components of a Computer System, Central Processing Unit (CPU), Input Devices, Output Devices, Evolution of Computing 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.
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