TYPES OF HARDWARE CLASS IX
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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