Computer System Handwritten PDF by Aasis : Computer Science Class 11 NEB Notes

Computer System

1.1 Introduction of computer

• 1.1.1 Definition, characteristics and application of computer
• 1.1.2 Evolution of computer technology
• 1.1.3 Measurement unit of processing speed and storage unit
• 1.1.4 Super, Mainframe, Mini and Microcomputers
• 1.1.5 Mobile Computing and its Application 

1.2 Computer system and I/O devices

• 1.2.1 Concept of computer architecture and organization
• 1.2.2 Components of computer system: input unit, output unit, processing unit, memory unit and storage
• 1.2.3 Microprocessor: basic concepts, clock speed, word length, components and functions
• 1.2.4 Bus System: data bus, address bus and control bus
• 1.2.5 Primary memory: Definition, RAM, ROM, Cache, Buffer, types of RAM and ROM
• 1.2.6 Secondary Memory: Definition, Magnetic Disk, Flash Memory, Optical Disk, External Storage Device and memo stick
• 1.2.7 Input Devices – Keyboard, Mouse, Scanner, Light Pen, OMR, OCR, BCR, MICR, Scanner, Touch Screen, Microphone and Digital Camera.
• 1.2.8 Output Devices: Monitor (LCD, LED), Printer (Dot Matrix, Inkjet, Laser), Speaker
• 1.2.9 Hardware Interfaces: Parallel Port, Serial Port, USB Ports, HDMI and Expansion Slots

Computer System - Class 11 Computer :NEB Notes