NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
OCTOBER 2019 EXAMINATION

COURSE CODE: DAM364
COURSE TITLE: MANAGEMENT INFORMATION SYSTEMS
COURSE CREDIT: 2 UNITS
TIME ALLOWED: 2 HOURS
INSTRUCTION:ANSWER QUESTION ONE (1) AND ANY OTHER THREE (3) QUESTIONS

1. (a). Describe an Electronic Mail and identify two components? (4mks)
(b). Highlight any six (6) limitations of Internet (6mks)
(c). State five(5) main functions of top management (5mks)
(d). State any five (5) major problems of MIS (5mks)
(e). Explain the following concepts: Terminal and Teleprocessing (5mks)

2. (a). Differentiate between Data, Information and Instruction (6mks)
(b). Explain the following concepts Database and Decision Support Systems (5mks)
(c). Enumerate any four (4) factors to be considered for a good MIS (4mks)

3. (a). With proper illustration show the division of information supplied by MIS and state the importance of the divisions. (5mks)
(b). State the three (3) main advantages and (3) disadvantages of formal method of disseminating information (6mks)
(c). Highlight four (4) functions of top management (4mks)

4. (a). List any five {5)criteria that must be met for an interactive computer-based system to exist (5mks)
(b). Explain the concept of Expert system and mention its two major components. (4mks)
(c). List any twelve (12) notable technologies present today in offices and organisations (6mks)

5. (a). Discuss any five (5) main threats to a computer (10mks)
(b). Explain the terms: “computer security” and “passwords”. (3mks)
(c). What is an encryption? (2mks)