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Database Management Package: A database management package helps to store inter-related data or
records together in an organised manner under controlled redundancy. It helps in generating different
reports that are based on the records. For example MS-Access, FoxPro, Sybase, Oracle, OpenOffice Base,
etc.
DTP Package: DTP (Desktop Publishing) package enables to design and make graphics and figures. It helps
in designing brochures, news letters, books, posters, etc. For example, PageMaker, CorelDRAW, Ventura,
etc.
CAD Package: CAD (Computer Aided Design) packages are used to create complex, two or three-
dimensional models of buildings, including architectural, civil engineering and mechanical designs.
CASE Package: ‘Computer Aided Software Engineering’ package is used to develop information systems.
CASE automates the analysis, design, programming and documentation tasks.
Presentation Package: Presentation Package is used to display information, normally in the form of
slides. It includes graphics, animation and the use of multimedia. For example MS PowerPoint, OpenOffice
Impress, Corel Presentations, KPresenter, etc.
Customised Package
The software that is designed especially for a specific purpose to fulfill the requirement of a particular
individual or an organisation is called a ‘Customised Software’. It is also called ‘Tailor Made software’. For
example Inventory Management System, Fee collection system, etc. It is developed according to the personal
needs of a user.
System Utility Software
System Utility Software is a set of small programs that support the execution and operation of the computer
system by doing additional works like scanning the hard disk to check the faulty sectors, virus scanning to
check the infected files, etc. Example: Win ip, OD32, etc.
Utilities are neither completely system software nor application software. It is difficult to make a definite
list of utility software. But the most common types are disk and file management, Internet security and OS
customization tools. Such software are also used as specific tools while developing programs.
System Software
System software helps the user to operate the computer system & utilize its different resources. It coordinates
the operation and functioning of a computer along with the attached hardware components of the computer.
System software acts as an interface or a bridge between the user and the computer. System software can be
broadly classified into:
Language Processor Operating System
Language Processor
A language processor is a type of system software that helps in converting programs in high-level language
to machine understandable language. Software or programs are set of instructions that are written in a
programming language. Usually, a programmer writes programs in High-level language (HLL).
HLL is a computer language in which codes or commands are represented in simple language like English as
it is easier to understand. The internal parts of the CPU understand machine language. A machine language
is a computer language that consists of binary digits i.e, 0 and 1.
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