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

System Software

System Software

System software provides basic functionality to the computer. System software is required for the working of computer itself. The user of computer does not need to be aware about the functioning of system software, while using the computer. For example, when you buy a computer, the system software would also include different device drivers. When you request for using any of the devices, the corresponding device driver software interacts with the hardware device to perform the specified request. If the appropriate device driver for any device, say a particular model of a printer, is installed on the computer, the user does not need to know about the device driver, while printing on this printer.
The purposes of the system software are :
» To provide basic functionality to computer
» To control computer hardware
» To act as an interface between user, application software and computer hardware.
On the basis of their functionality, system software may be broadly divided into two categories :

System software for the management and functionality of computer

System software for the management and functionality of computer relates to the functioning of different components of the computer, like, processor, input and output devices etc. System software is required for managing the operations performed by the components of computer and the devices attached to the computer. It provides support for various services, as requested by the application software. Operating system, device drivers, and system utilities constitute the system software for management of computer and its resources.

System software for the development of application software

System software for the development of application software provides services required for the development and execution of application software. System software provides the software tools required for the development of application software. The programming language software, translator software, loader, and linker are also categorized as system software, and are required for the application software development.

System Software Classification

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