Explanation

DFD stands for Data Flow Diagram.

It is used to represent the flow of data in a system.

It shows how data moves between processes, data stores, and external entities.

Explanation

PDA stands for personal digital assistant.

Explanation

An operating system is system software that manages computer hardware, software resources, and provides common services for computer programs.

Explanation

Federal government correspondence starts with a subject line to state the purpose and a reference number for tracking.

This ensures clarity, quick reference, and proper filing of the document.

Explanation

In subject-wise classification, files are organized based on the topic or subject matter they relate to.

This method helps in quickly locating documents related to a specific issue or area of work.

Explanation

Java Server Pages is a Java standard technology that enables you to write dynamic, data-driven pages for your Java web applications.

Explanation

VDU: Visual Display Unit

Explanation

Internet Explorer is a free web browser, commonly called IE or MSIE, that allows users to view web pages on the internet.

Explanation

Password is a secret word or phrase that must be used to gain admission to a place.

Explanation