| Syllabus and Study Guide for Midterm 1 |
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- Understand the lecture slides and discussions thoroughly.
- Revisit the MPs, MLs and WAs and make sure you understand the solutions
thoroughly. Repeat any you are not comfortable with.
- Take the pdf sample exam as a thorough overview for the
actual exam.
- Take the PrairieLearn Midterm1 Practice to be familiar
with the precise nature of the questions and to see where you
may have trouble taking the test in a timely enough manner.
The exam will cover the first 8 lectures, up to and including the
lectures of Tail Recursion
The following give examples of
the kinds of questions you are likely to be asked for each topic:
- Basic OCaml
- Know the basic constructs (e.g., match,
fun, let, let rec) like the back of your hand.
- Be able to determine the type of OCaml expressions
- Be able to evaluate OCaml expressions, both
intuitively, and
and step by step following
the steps discussed in class
- Be able to describe the environment that results from
a sequence of declarations
- Be able to describe the closure that is the result of
evalutating a function declaration
- Understand what effect sequencing, function application and
lambda lifting (function expression) has on the order of evaluation of expressions
- Recursion
- Be able to write recursive functions, including (but
not necessarily limited to)
tail-recursive or forward recursive.
- Be able to recognize whether a function is
tail-recursive, and when a recursive call is in tail call
position
- Higher Order Functions (HOFs)
- Be able to write the definitions of the common HOFs,
fold_right, fold_left and map.
- Be able to use map and fold to implement other
functions, as in MP3.
- Be able to write functions that use other functions
as arguments
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