Exam (elaborations)
INF1505 EXAM PACK 2024/2025
- Institution
- University Of South Africa (Unisa)
INF1505 EXAM PACK 2024/2025 QUESTIONS WITH DETAILED ANSWERS. PERFECT FOR EXAM PREPARATION.
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, lOMoARcPSD|1899828913/10/2023, 09:56 INF1505-Exam Oct/Nov 2023: Attempt review
Started on Friday, 13 October 2023, 9:24 AM
State Finished
Completed on Friday, 13 October 2023, 9:54 AM
Time taken 29 mins 28 secs
Question 1
Complete
One method of conducting voice-based e-commerce is using digital wallet.
Marked out of
1.00
Select one:
True
False
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, lOMoARcPSD|18998289
13/10/2023, 09:56 INF1505-Exam Oct/Nov 2023: Attempt review
Question 2
Complete
Marked out of Which is a difference between the systems development life cycle (SDLC) and extreme programming (XP)?
1.00
a. Developers following the SDLC model cannot go on to the next phase until the current phase is finished, whereas in
XP, developers can move to any phase from the current phase.
b. The SDLC model has a separate planning and analysis phase, whereas XP combines both the phases into one phase.
c. In the SDLC model, changes cannot be made to a system once it is delivered to the user, whereas the XP method
delivers the system to the users and then make changes suggested by the user.
d. The SDLC model develops an entire system at once, whereas XP uses incremental steps to improve an information
system’s quality.
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13/10/2023, 09:56 INF1505-Exam Oct/Nov 2023: Attempt review
Question 3
Complete
Marked out of Which problems are resolved by distributed processing?
1.00
i. Lack of coordination in centralized processing
ii. Lack of responsiveness in centralized processing
iii. Lack of security in decentralized processing
iv. Lack of individuality in decentralized processing
v. Lack of coordination in decentralized processing
a. (ii) and (iv)
b. (i), (ii) and (iii)
c. (iii), (iv) and (v)
d. (i) and (ii)
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