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Notes By: Bikash Pandeya
Queries Solved:-
- Introduction of computer
- Definition, characteristics and application of computer
- Evolution of computer technology
- Measurement unit of processing speed and storage unit
- Super, Mainframe, Mini and Microcomputers
- Mobile Computing and its Application
- Computer system and I/O devices
- Concept of computer architecture and organization
- Components of computer system: input unit, output unit, processing unit, memory unit and storage
- Microprocessor: basic concepts, clock speed, word length, components and functions
- Bus System: data bus, address bus and control bus
- Primary memory: Definition, RAM, ROM, Cache, Buffer, types of RAM and ROM
- Secondary Memory: Definition, Magnetic Disk, Flash Memory, Optical Disk, External Storage Device and memo stick
- Input Devices – Keyboard, Mouse, Scanner, Light Pen, OMR, OCR, BCR, MICR, Scanner, Touch Screen, Microphone and Digital Camera.
- Output Devices: Monitor (LCD, LED), Printer (Dot Matrix, Inkjet, Laser), Speaker
- Hardware Interfaces: Parallel Port, Serial Port, USB Ports, HDMI and Expansion Slots
