Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
APCSP CodeAI Unit 10
AP Computer Science Principles Code.org Unit 10 Vocabulary All Lessons
| Term | Definition |
|---|---|
| problem | a general description of a task that can (or cannot) be solved with an algorithm |
| algorithm | a finite set of instructions that accomplish a task |
| sequencing | putting steps in an order |
| selection | deciding which steps to do next |
| iteration | doing some steps over and over |
| efficiency | a measure of how many steps are needed to complete an algorithm |
| linear search | a search algorithm which checks each element of a list, in order, until the desired value is found or all elements in the list have been checked |
| binary search | a search algorithm that starts at the middle of a sorted set of numbers and removes half of the data; this process repeats until the desired value is found or all elements have been eliminated |
| reasonable time | algorithms with a polynomial efficiency or lower (constant, linear, square, cube, etc.) are said to run in a reasonable amount of time |
| unreasonable time | algorithms with exponential or factorial efficiencies are examples of algorithms that run in an unreasonable amount of time |
| heuristic | provides a "good enough" solution to a problem when an actual solution is impractical or impossible |
| decision problem | a problem with a yes/no answer (e.g., is there a path from A to B?) |
| optimization problem | a problem with the goal of finding the "best" solution among many (e.g., what is the shortest path from A to B?) |
| undecidable problem | a problem for which no algorithm can be constructed that is always capable of providing a correct yes-or-no answer |
| sequential computing | a model in which programs run in order, one command at a time |
| parallel computing | a model in which programs are broken into small pieces, some of which are run simultaneously |
| distributed computing | a model in which programs are run by multiple devices |
| speedup | the time used to complete a task sequentially divided by the time to complete a task in parallel |
Created by:
PRO Teacher
bchan
Popular Computers sets