Security systems.

systems; then works his way up to network applications. Tanenbaum's in-depth application coverage includes

Computer networks -- Security measures.

Security systems -- Government policy -- Africa, Southern.

-- Evaluating police performance -- Police strategies and tactics -- Police and homeland security

networking -- Voice and video over IP -- Network security -- Troubleshooting network problems -- Ensuring

components of the system unit -- Input -- Output -- Storage -- Operating systems and utility programs

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

Layoff systems -- Law and legislation.

Mobile communication systems -- Security measures.

Systems analysis and design in a changing world / Satzinger, John W.

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