Preparation for Class Presentations (Recitation 25)
Your team will present its oral report on Design Project
2 in the second-to-last recitation†.
In preparation for giving your talk during recitation, your
design team should prepare a 5-minute at-the-blackboard oral
presentation of your design. Choose one of your members to
deliver this presentation. (If you wish, you can divide up the
presentation among two or three members, but if you do that you
will need to work skillfully to keep from tripping over each other
in the short time available.) You can assume that your audience
is very familiar with the problem to be solved, and has a
pretty good idea about the design space, so you do not need to
spend much of your time giving background or explaining the design
in detail. You should, however, make sure to explain the essential
ideas of your design with utmost clarity and precision. Avoid
low-level implementation details, and focus on the key design
decisions and their implications. Also explain what your group
thinks are your design's major strengths, weaknesses and
interesting design decisions.
After presenting your design, the floor will be opened to the rest
of the section for a short period of questions, comments, and
critique of your design. Design review is a commonly practiced
method of checking out designs and proposals. The goal of design
review is to be constructive, not destructive. Comments along the
lines of "this design is trash" are out of order. Instead you
should try to come up with comments along the lines of "this
design doesn't handle X, but by incorporating Y
it would be more bullet proof" or "This design is excellent,
because it meets all of the stated goals and manages to add two
neat features, Y and Z." You should try to enhance this goal by
maintaining a professional, collegial attitude during the
presentation and ensuing discussion.
Your group's grade on design project two will not take into
account your oral presentation. Instead, your presentation and
the comments you make in critiquing other designs will be
considered as part of your recitation grade. And don't worry
about negative recommendations and misunderstandings by other
classmates that critique your design; they do not affect
your grade.
Some design teams are split between two sections; those design
teams will make just one presentation, in the section belonging to
the majority of the team's members. If you are a minority member
and have the hour available, you are welcome to attend the other
section. If, in order for you to attend that other section, your
team should give its report at the beginning or end of the hour,
let your instructor know so that they can take that into
account when working out the presentation schedule.
Organizing a presentation:
It is quite a challenge to make a short presentation that actually
communicates the things you really want to say, so it is a good
idea, as part of your preparation, to do a "dry run". A dry run
is a practice presentation in front of a mirror or a small group
of friends, with a clock. The dry run gives you a chance both to
find out if your talk is intelligible, and to assess whether or
not you have the timing right.
A well-organized presentation will start off with a very brief
overview, will make use of the blackboard to illustrate
graphically how things work, and will make the most important
points early, so that if you do run out of time, what you don't
get to say will be less important. Be careful not to get bogged
down in detail, and select carefully the things you do want to
talk about in depth. You can expect a "thirty seconds left"
warning from your instructor; that is a good opportunity to
gracefully (and quickly) wrap up whatever current point you are
talking about, and move to a few closing words that remind the
audience why your design is a winner.
† While this presentation falls during the last week of classes, in
consultation with the chair of the faculty we have determined that
the assignment falls in the spirit of the end-of-term rules.
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