NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF MANAGEMENT SCIENCES
MARCH/APRIL 2015 EXAMINATION

COURSE CODE: ACC301                                                          

COURSE UNITS: 3

COURSE TITLE: INFORMATION TECHNOLOGY I      

TIME ALLOWED:

Instructions:  1. Attempt question Number one (1) and any other THREE (3).

2. Question number 1 is compulsory and carries 25 marks, while the other questions carry Fifteen (15) equal marks each.

                                3. Present all your points in coherent and orderly manner

QUESTION 1.

1. 1. List and explain the characteristics of E-commerce Technologies. 10MARKS
   2. Discuss of evolution of E-commerce

5MARKS

1. 3. What is system documentation? What do you think could be the adduced reasons for system documentation?                                                              10MARKS

QUESTION 2.

1. Discuss the several type of phases involve in the changing process or the phases involve in introducing a new system?       10MARKS
2. Define system testing and enumerate the issues that are involved in system testing. 5MARKS

QUESTION 3.

1. An information technology analyst is explaining the term computer network to a layman, who does not understand the terminology. Assuming you are the Analyst, explain the term COMPUTER NETWORK                5MARKS
2. List the advantages and disadvantages of a computer network.               10MARKS

QUESTION 4.

1. Discuss the three basic types of networks. 10MARKS
2. What is a Router? 5MARKS

QUESTION 5.

1. Identify and discuss the different types of computers based on their size. 10MARKS
2. Assuming you are the Analyst, explain the term Computer Network. 5MARKS

QUESTION 6.

1.  Define a Distributed Process Network.  5MARKS
2. List out the advantages and disadvantages of a Distributed Process Network.  10MARKS