NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JANUARY/FEBRUARY 2018 EXAMINATION

CIT 701 – Foundation of Information and Communication Technology                                         

Instruction: Answer Question (1) (22 marks) and any other four questions each carrying 12 marks                                                                                                  

Credit Units: 3                                                                                                    

Time: 2½ hours

1a) State the distinct stages of information revolution.(3½ marks)

b) List the various classes of the information age  evolution. In a tabular form, enumerate the characteristics of the various classes of the information age  evolution based on Time Period, Majority of worker, Partnership and Principal Tools.(4½ marks)

c) State the various characteristics of the information age.

d) Briefly define the following terms: (1 mark each. Total = 5 marks)

1. Work Processes
2. Productivity
3. Effectiveness
4. Reengineering
5. Business Processes

e) List the types of registers we have in a computer hardware.

f) State the benefits of information technology.

2a) List the various functions of information technology(5 marks)

b) Briefly describe any five of the functions listed in (a) above (5 marks)

c) Briefly state and define the types of bus.   (2 marks)

3a) What is system software?           (3 marks)

b) Briefly describe the types of system programs. (6½ marks)

c) What is Storage Area Network (SAN)?

4a) With the aid of illustrative diagram, describe the machine processing sequence(7½ marks)

b) Enumerate the various groups of functions of the operating systems                 (4½ marks)

5a) What do you understand by Add-in-boards?         (2 marks)

b) Briefly describe the function of any ten Add-in-boards for microcomputers.(10 marks)

6a) Write short notes on Information Technology (IT) procedures.(8½ marks)

b) Distinguish between Proprietary operating systems and Non-proprietary operating systems.(2 marks)

c) List the common features of most application programs       (1½ marks)

7a) There are two broad categories of people in the Information Technology (IT) world. Name them and briefly describe the various sub-classes of each.            (10 marks)

b) Define Information Technology professional.(2 marks)