Instructions: Attempt any five (5) questions a). Explain what cardinality ratio specify (8 marks)
Q1
b). Discuss what data model means and list the types of data model used in database. (12 marks)
20
Marks

:you areto design the controller for alight that functions both as an ordinary light and also as a motion activated light and alarm. a.if the manual switch s is on, then the light l is on. b.besides the manual switch, there is a motion detector, m1, which activatesthis light.c.if motion is detected but the light is on anyway because s is on, only then a secondoutput a, an alarm, is turned on. d.the disable switch, d, disables the motion activated light and alarmbut leaves manual control operation of the light using switch s.(i)read the problem statement and clearly identify the inputs and outputs for the circuit you are designing. (ii)create the truth table for this system; include the light, alarm, switch, disable, and the motion sensor.(iii)draw a schematic of this system.

What type of slide show is a dynamic and eye-catching way to familiarize potential customers with what your company has to offer? a. ole b. photo album c. brochure d. office clipboard

A. in packet tracer, only the server-pt device can act as a server. desktop or laptop pcs cannot act as a server. based on your studies so far, explain the client-server model.