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lecture one
file type    EXE
size:  22MB
require:      flash player
presentation oriented

downlaod  this simple  exe   you will get swahili  videoz  for

is a set of programs, which is designed to perform a well-defined function. A program is a sequence of instructions written to solve a particular problem.
There are two of

• System
• Application

System

The system is collection of programs designed to operate, control, and extend the processing capabilities of the itself. System are generally prepared by manufactures. These products comprise of programs written in low-level languages which interact with the at a very basic level. System serves as the interface between and the end users.
Some examples of system are , Compilers, Interpreter, Assemblers etc.

Features of system are as follows:

• Close to system
• Fast in speed
• Difficult to design
• Difficult to understand
• Less interactive
• Smaller in size
• Difficult to manipulate
• Generally written in low-level language

Application

Application products are designed to satisfy a particular need of a particular environment. All prepared in the lab can come under the category of Application .
Application may consist of a single program, such as a Microsoft's notepad for writing and editing simple text. It may also consist of a collection of programs, often called a package, which work together to accomplish a task, such as a spreadsheet package.
Examples of Application are following:

• Payroll
• Student Record
• Inventory Management
• Income Tax
• Railways Reservation
• Microsoft Office Suite
• Microsoft Word
• Microsoft Excel
• Microsoft Powerpoint

 Features of application are as follows:

• Close to user
• Easy to design
• More interactive
• Slow in speed
• Generally written in high-level language
• Easy to understand
• Easy to manipulate and use
• Bigger in size and requires large storage space