2.2.2

Question 1

whats decomposition

Answer 1

when a problem is broken down into smaller sub problems

Question 2

why use decomposition

Answer 2

makes problems easier to manage
allows to develop subroutines
if working in a team split up members to diferent tasks

Question 3

whats abstraction

Answer 3

excessive details are removed to simplify a problem

Question 4

whats backtracking

Answer 4

Backtracking is a problem-solving technique implemented using algorithms, often
recursively. It works by methodically visiting each path and building a solution based on
the paths found to be correct. If a path is found to be
invalid at any point, the algorithm backtracks to the
previous stage and visits an alternate path

Question 5

whats data mining

Answer 5

technique used to identify patterns or outliers in large sets of data

Question 6

whats heruistics

Answer 6

Heuristics are a non-optimal, ‘rule-of-thumb’ approach to problem-solving which are used
to find an approximate solution to a problem when the standard solution is unreasonably
time-consuming or resource-intensive to find

Question 7

whats performance modeling

Answer 7

Performance modelling eliminates the need for true performance testing by providing
mathematical methods to test a variety of loads on different operating systems

Question 8

why use performance modeling

Answer 8

cheaper, less time-consuming or safer method

Question 9

whats piplinng

Answer 9

Traditionally, the output of one process in pipelining
becomes the input of another,

Question 10

whats visualisation and why

Answer 10

Data can be presented in a way that is easier for us to understand using visualisation. This
makes it possible to identify trends that were not otherwise obvious
tree/graph / tables ect