Software Engineering

Front

Is the statement true or false? •The spiral lifecycle model is always better than the outdated waterfall model.

Back

False

Front

Including the users/customers in the process of designing the architecture will yield a better product

Back

False

Front

Refactoring is a risk: it incurs a cost now, in return for potential payoff later.

Back

True

Front

Is it possible for a single ”piece”, or part of the original file, to appear multiple times in a piece table?

Back

True

Front

When the writes to a data structure has spatial locality (they are nearby one another in memory), then they can be made faster.

Back

True

Front

•There exists datasets for which a hash table has O(n) performance for insertion, deletion, and searching – the same as for a linked list.

Back

True

Front

The map in MapReduce is different from the map in a functional programming language.

Back

True

Front

An advantage of a GUI is that it permits an experienced user to work faster.

Back

False

Front

Is it theoretically possible for testing to prove the absence of bugs?

Back

True

Front

Recall that the null object pattern performs a no-op at each method call where null would otherwise be dereferenced. One advantage is that this is more efficient than checking, at each method invocation, whether the receiver ( the this object on which the method is being invoked) is null.

Back

False