Business Communication and Information Systems
This domain tests the communication process, business writing and barriers, plus the information systems that support managerial decisions and control.
Core rules
- Communication process: sender → encoding → channel → decoding → receiver, with feedback and noise.
- 7Cs: clear, concise, concrete, correct, coherent, complete, courteous.
- Formal channels follow hierarchy; informal channels include the grapevine. Barriers: semantic, psychological, organisational, cultural and physical.
- Business writing: direct approach for routine or good news; indirect for bad news and persuasion; use active voice and parallel structure.
- MIS provides routine reports; DSS supports semi-structured decisions; EIS supports senior executives; ERP integrates core processes; CRM manages customer relationships; SCM integrates supplier flows.
- CIA triad: confidentiality, integrity, availability. Controls include access management, encryption, backups, audit logs and disaster recovery.
- Medium choice matters: a rich channel suits complex, ambiguous messages; a lean channel suits routine ones.
Worked example. A plant manager emails a 12-page technical report with unexplained acronyms to shop-floor supervisors; recall is poor. The fix is audience analysis, a plain-language summary, a structured one-page brief and a feedback channel. This addresses encoding and decoding, not merely "more communication".
Traps. Communication is not just transmission; without feedback it is incomplete. More communication can overload. MIS is not the same as DSS. ERP is a process-integration programme, not just software. Confidentiality, integrity and availability are distinct objectives.