Exam (elaborations)
Cs50 Quiz 1 Questions And Answers Latest Update 2024/2025
- Course
- CS50
- Institution
- Harvard University
Cs50 Quiz 1 Questions And Answers Latest Update 2024/2025
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Cs50 Quiz 1 Questions And Answers LatestUpdate 2024/2025
Anonymous function Answer: otherwise known as a lambda function, is a function w/out a name.
Popular in JavaScript, anonymous functions can be passed as inputs to functions so as to be called later
Associative array Answer: an array whose indices can't only be integers but strings & other types as
well. Put another way, it is an object w/key-value pairs.
Octal notation Answer: (otherwise known as base-8) is a base system w/8 digits: 0 through 7. It
happens to be used by chmod for permissions
jQuery Answer: is a JavaScript library that simplifies common operations(e.g., Ajax).
Ajax Answer: is a programming technique that couples JavaScript with XML (or JSON) in such a way
that browsers can request additional data from servers via HTTP even after an initial page load is
complete.
JavaScript Answer: is a client-side programming language supported by today's browsers.
Hash table vs. trie Answer: A hash table should be used when you have a sparse data set (e.g.,
words that tend not to share long common prefixes), as a trie's nodes (each of which contains an array)
would likely take up much more space
JSON vs. CSV Answer: JSON should be used when you'd like to associate non-numeric keys w/values,
so that you needn't worry about fields' relative ordering. JSON should also be used when you'd like to
represent hierarchical structures. A CSV file, by contrast, doesn't allow for hierarchy & you must know a
priori which fields are in which columns (unless the CSV file's header row contains fields' names).
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