How to audit information technology department

How to do audit information technology department, can you tell me process for it , as I need its information for basic knowledge ??

[Kiran Chandar]

As you asking I am telling you following are basic steps in performing the Information Technology Audit Process
Planning
Studying and Evaluating Controls
Testing and Evaluating Controls
Reporting
Follow-up
Reports

Information technology audit, is an examination of the management controls within an Information technology (IT) infrastructure. An information technology department audit is different from a financial statement audit, how I am telling you while a financial audit's purpose is to evaluate whether an organization is adhering to standard accounting practices, the purposes of an information technology department audit are to evaluate the system's internal control design and effectiveness.

Types of information technology department audits
Technological innovation process audit
Innovative comparison audit.
Technological position audit:
Systems and Applications:
Information Processing Facilities:
Systems Development
Management of IT and Enterprise Architecture:
Client/Server, Telecommunications, Intranets, and Extranets: