Mobile Computing UOS Past Paper 2016 IT-4545

Mobile Computing UOS Past Paper 2016 IT-4545

University of SargodhaM.Sc. 4^th Term Examination 2016Subject:  Information Technology          Paper: Mobile Computing (IT-4545)

Time Allowed: 2:30 Hours                 Maximum Marks: 80

Note: Objective part is compulsory. Attempt any three questions from subjective part.

Objective Part                        (Compulsory)

Q.1.     Write short answers of the following in 2-3 lines each on your answer sheet.         (2*16)

i. What is the importance of mobile strategies in the business world?

ii. What is Metro design language?

iii. What is an QR code and why it is used?

iv.  What is a JSON format? Explain with the help of an example?

v. What is the difference between a simulator and emulator and when they are used?

vi. What is cleanup stack in Symbian OS?

vii. Define event-based programming?

viii. What is DPS?

ix. In threads what is meant by message passing technique?

x. What is xCode?

xi. Draw a sequence diagram of the sequence of events in between pressing a key on the

  keyboard to displaying it on display screen?

xii. What is a checkpoint security-related design pattern?

xiii. What is a Relative Layout?

xiv. What is Energy Management?

xv. Name the tools needed to create mobile applications on android?

xvi. What is a port?

Subjective Part           (4*12=48)

Q.2.     We know that Java hides the implementation of threading model from user but some of its details can become visible to the programmer. So what are the issues that developers must consider?

Q.3.     What are different design patterns for limited memory?

Q.4.     What is the workflow for application development?

Q.5.     Briefly explain the security features in MIDP Java? Also discuss the problems with them?

Q.6.     Discuss any four basic android UI elements with code?

Q.7.     Describe in detail on web services language?

Mobile Computing UOS Past Paper 2016 IT-4545