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e\L-lovely-eng\comm6-1.pmd IInd 16-9-11 IIIrd 27-12-11 IVth 4-1-12

Information and Communication Technology Applications

time). The necessary linking program, called a dynamic linker or linking loader, is actually part of
Notes the underlying operating system.

Self Assessment

Fill in the blanks:
1. System software runs at the most basic level of your computer, it is called ...... software.
2. Application software, also known as ...... .
3. Some application packages offer considerable computing power by focusing on a single
task, called ...... .
4. When linking is done during the creation of an executable or another object file it is known
as...... .

6.5 Summarys

• The system software is installed on your computer when you install your operating system.
• Application software, also known as an application or an “app”, is computer software de-
signed to help the user to perform specific tasks.
• Application software falls into two general categories; horizontal applications and vertical
applications.
• In computer science, a library is a collection of resources used to develop software.
• Libraries are important in the program linking or binding process, which resolves references
known as links or symbols to library modules.
• When linking is done during the creation of an executable or another object file, it is known as
static linking or early binding.

6.6 Keywords

System Software: System software refers to the files and grograms that wake up your computer’s
operating system.
Application Software: Application software, also known as an application or an “app” is computer
software designed to help the user to perform spefic tasks.
Linking: Libraries are important in the program linking or binding process, which resolves references
known as links or symbols to library modules.

6.7 Review Questions

1. What are system software utilities?
2. Explain the classification of application software.
3. Write a note on linking.
4. What do you mean by memory sharing? Explain.

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