UNIVERSITY EXAMINATIONS: 2019/ 2020
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY/ BUSINESS INFORMATION
TECHNOLOGY/ APPLIED COMPUTING/ SOFTWARE DEVELOPMENT/
INFORMATION SECURITY & FORENSCIS
BIT 1205/ BBIT 104/ BSD 1201/ BAC 1205/ BISF 1205: SYSTEMS ANALYSIS
AND DESIGN
FULL TIME/PART TIME/DISTANCE LEARNING
DATE: MAY, 2020 TIME: 6 HOURS
INSTRUCTIONS: Answer ALL Questions
SECTION B: (20 MARKS)
QUESTION ONE
A customer places an order for a digital camera, and supplies credit card details and address etc. The
system asks the credit card company to authorise the transaction. The system checks if the camera is in
stock in the warehouse. The system discovers that the item is out of stock, so an order is place with the
supplier. The customer is also advised on the order status.
When the supplier delivers to the warehouse, the inventory is updated, and as a result an instruction is
passed to the warehouse to pack the order for shipping to the customer. When the warehouse advises
that the order is ready to ship the system sends a ‘pick up’ request to the courier. The warehouse signals
the system when the customer to expect the delivery.
Required
a) Draw a context diagram for the case study (6 Marks)
b) Draw a logical level 1 DFD diagram (14 Marks)
NB: Marks will only be awarded for answers that are well thought out and relevant to the case
study and NOT those that will be copy pasted from the internet.
SECTION C: (20 MARKS)
QUESTION TWO
In reference to the case study above,
You are required to model the system using
a) a logical flowchart (8 Marks)
b) a limited decision table (6 Marks)
c) Structured English (6 Marks)
NB: Marks will only be awarded for answers that are well thought out and relevant to the case
study and NOT those that will be copy pasted from the internet.
