Operating systems (Computers) -- Examinations -- Study guides.

GRASS (Electronic computer system)

Microsoft software -- Examinations -- Study guides.

Telecommunication systems.

operations -- Data analysis -- Equations -- Graphs -- Introduction to system modelling -- Application of

Management information systems / Chatterjee, Indrajit.

Systems and Information Theory in Engineering.

Introduction to information systems / O'Brien, James A., 1936-

-- Electronic commerce software -- Electronic commerce security -- Payment systems for electronic commerce

Introducing geographic information systems with ArcGIS : a workbook approach to learning GIS /

Electronic mail systems -- Management.

Video systems in an IT environment : the basics of networked media and file-based workflows /