Computer Fundamental

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Introduction to Computer What is Computer Component of computer Characteristics of computer Application of computer Advantages of computer Disadvantages of computer Computer hardware Computer software

Generation of Computer First Generation of Computer Second Generation of Computer Third Generation of Computer Fourth Generation of Computer Fifth Generation of Computer

Types of Computer According to functionality On the basis of Size Microcomputers Computer Minicomputers Computer Mainframe Computer Supercomputer Computer On the basis of Purpose

Component of Computer Input-Process-Output Concept Computer Hardware Computer Software Data, Information and Knowledge

Central Processing Unit ALU & CU CPU Registers Motherboard Ports and Interfaces Processor Types of Processors

» Input devices » Keyboard » Mouse » TrackBall » Joystick » Digitizing Tablet » Light Pen » Touch Screen » Audio Input Device » Vidio Input Device » Scanner » Optical Input Devices

Output devices Monitor Audio system Printer Plotter Projector

Computer Memory Memory Representation Memory Hierarchy CPU Registers Cache Memory Primary memory Random Access Memory Read Only Memory Data Access Methods Secondary Memory Magnetic Tape Magnetic Disk Hard Disk Floppy Disk Zip Disk Optical Disk CD-ROM Recordable Optical Disk Differences between Primary and Secondary Memory

Computer Ports Serial Ports Parallel Ports PS/2 port USB Port VGA Port DVI Port Ethernet Port

Computer Software System Software Operating System Device Driver System Utilities Application software

Programming Language Machine Language Assembly Language High-level Language Translator Software Difference Between a Compiler and An Interpreter Linker & Loader

Flow Chart Flow Chart Symbols Rules For Drawing Flowcharts How to draw flowchart Types of Flowcharts

Number System Kinds of Number Systems Converting Decimal Integer to Binary, Octal, Hexadecimal Converting Decimal Fraction to Binary, Octal, Hexadecimal Converting Decimal Integer Fraction to Binary, Octal, Hexadecimal Conversion of Binary, Octal, Hexadecimal to Decimal Conversion of Binary to Octal, Hexadecimal Conversion of Octal, Hexadecimal to Binary Binary Arithmetic Complement of Binary Numbers Binary Data Representation Binary Coding Schemes

Operating System Types of OS Functions of OS Process Management CPU Scheduling Process Synchronization Memory Management File Management Device Management

DOS OS & Commands Physical Structure of Disk Function of DOS Types of file system Internal commands External commands

Computer Network Data Transmission Media & Modes Guided Media Unguided Media Network Types LAN Topologies Network Devices

Internet Internet Architecture Internet Address World Wide Web Web Browser Internet Search Engines Electronic Mail Uses of Internet

MCQ on Fundamental of Computer

Video Input Device

Video Input Device

Video input is provided to the computer using video camera and digital camera. Video camera can capture full motion video images. The images are digitized and can be compressed and stored in the computer disk. Webcam is a common video camera device. It is placed on the computer above the screen to capture the images of the user who is working on the computer. A video capture card allows the user to connect video devices like camcorders to the computer.

Web camera

Video Input Device ( Web camera )

Digital camera works like video camera but can capture still images. The digital camera digitizes images, compresses them and stores them on a memory card like flash memory. The information from the digital camera can be brought into the computer and stored. The video files can be edited using software like VLC media player. Computer vision is an area of computer science that deals with images. Computer vision has applications in areas like robotics and industrial processing.

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