Computer_Applications_SecP1X_2026-27.pdf https://cbseacademic.nic.in/web_material/CurriculumMain27/SecPart1/Computer_Applications_SecP1X_2026-27.pdf CHAPTER 1 INTERNET BASICS Internet - Internet is a global network of computer networks that enables information to be exchanged. In internet, most computers are not connected directly to the internet. Rather they are connected to smaller networks, which in turn are connected through gateways to the internet backbone. Internet is not governed by any particular body. It is coordinated by many volunteer organizations. Advantages of Internet- • Greater access to information reduces research times. • Useful communication links • Global reach enables one to connect to anyone on the internet. • Easy communication with other people. • Publishing documents on the...
Types of Hardware (chap-2) 1. Hardware- Hardware refers to physical parts of the computer that can be touched physically. For example monitor, keyboard, hard drive etc. 2. Classification of Hardware- 1. CPU (Central Processing Unit) 2. Memory- A. Primary Memory (Internal Memory) a. ROM (Read Only Memory) b. RAM (Random Access Memory 3. Secondary Memory (Auxiliary Memory) All Storage devices like hard disk, CD, DVD, pen drive etc. 4. Input Devices and Output Devices 3. Memory in a Computer System- a. Main Memory or primary memory or internal memory- The memory that holds data and instructions during processing. It is temporary memory. b. Auxiliary or secondary or external memory- The memory that can store data or files for later use i.e. permanentl...
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