This document provides an overview of key concepts related to programming and computer science. It discusses how programs are developed through iterative processes and collaboration. Programs use algorithms and procedures to automate processes and solve problems at large scales. Programming involves abstract data types, variables, logical operations, and debugging. Mathematical and computational concepts are fundamental to programming. Overall, the document outlines best practices for programming including documentation, modularity, and explaining program correctness.

1. L.O: STUDENTS WILL
REVIEW BIG IDEA 5:
PROGRAMMING
DO NOW:
READ PAGE 63-71

2. EK 5.1.1A Programs are developed and
used in a variety of ways by a wide range
of people depending on the goals of the
programmer.
Programmers
write all kinds
of programs
for all kinds of
uses by all
kinds of
people!

3. EK 5.1.1B Programs developed for creative
expression, to satisfy personal curiosity, or
to create new knowledge may have visual,
audible, or tactile inputs and outputs.
Computer programs are designed by all kinds of
people, for all kinds of purposes, have all kinds of
uses, work in all kinds of ways and are used by all
kinds of people for all kinds of things!

4. EK 5.1.1C Programs developed for creative
expression, to satisfy personal curiosity, or
to create new knowledge may be
developed with different standards or
methods than programs developed for
widespread distribution.
Some people write
computer algorithms
(computer code/programs)
for fun, creativity or other
personal reasons….
Other people
write code to sell
to a lot of people
and make a lot of
money!

5. EK 5.1.1D Additional desired outcomes
may be realized independently of the
original purpose of the program.
Minecraft was designed to
be a fun video game. Now
it’s also used in schools for
education.
YOUTUBE was designed to
post fun videos. Now it’s
also used for many many
many other uses!!!!

6. EK 5.1.1E A computer program or the
results of running a program may be
rapidly shared with a large number of
users and can have widespread impact on
individuals, organizations, and society.

7. EK 5.1.1F Advances in computing have
generated and increased creativity in
other fields.

8. EK 5.1.2A An iterative process of program
development helps in developing a
correct program to solve problems.

9. EK 5.1.2B Developing correct program
components and then combining them
helps in creating correct programs.
If each part works
correctly, then the
whole thing will
work correctly
when combined!

10. EK 5.1.2C Incrementally adding tested
program segments to correct working
programs helps create large correct
programs.Program segment
1 Program
segment 2
Program
segment 3

11. EK 5.1.2D Program
documentation helps
programmers develop
and maintain correct
programs to efficiently
solve problems.
The software development
document helps us to design
the software. It keeps us
focused on the purpose of the
code!

12. EK 5.1.2E Documentation about program
components, such as code segments and
procedures, helps in developing and
maintaining programs
We use the software
development document to
MAINTAIN ; keep the
program working in the way
it was intended!

13. EK 5.1.2F Documentation helps in
developing and maintaining programs
when working individually or in
collaborative programming environments.
We all use the same development
document, so that we are “on the
same page” when we’re
collaborating on designing a
program!

14. EK 5.1.2G Program development includes
identifying programmer and user
concerns that affect the solution to
problems.

15. EK 5.1.2H Consultation and
communication with program users is an
important aspect of program
development to solve problems.

16. EK 5.1.2I A programmer’s
knowledge and skill affects how a
program is developed and how it
is used to solve a problem.
We tried
that
solution 5
years ago.
It won’t
work

17. EK 5.1.2J A programmer designs,
implements, tests, debugs, and maintains
programs when solving problems.

18. EK 5.1.3A
Collaboration can
decrease the size
and complexity of
tasks required of
individual
programmers.
Bad idea!I’m gonna
do it ALL
alone!
Great idea!
Lets
share the
work!
Cool!

19. EK 5.1.3B Collaboration facilitates
multiple perspectives in developing ideas
for solving problems by programming.
THAT’S the
glitch!
Man, I
totally
missed it!

20. EK 5.1.3C Collaboration in the iterative
development of a program requires
different skills than developing a program
alone.Man, are
we REALLY
DONE?
it took SIX
months…
..and 40
prototypes
YEAH, IT WAS A
LOT OF WORK,
BUT WE DID IT!
GO TEAM!

21. EK 5.1.3D Collaboration can make it easier
to find and correct errors when
developing programsYUP! THAT’S
THE GLITCH!
THAT’S WHY
THEY CALL
ME EAGLE-
EYE
O’MALLEY!
WE TOTALLY
MISSED IT!
GLAD YOU
JOINED THE
TEAM!

22. EK 5.1.3E Collaboration facilitates
developing program components
independently
THERE,
THAT’S
THE LAST
PIECE!
AND WE GOT
IT DONE SO
QUICKLY!
IT WOULDN’T HAVE
WORKED WITHOUT
TEAM WORK!

23. EK 5.1.3F Effective communication
between participants is required for
successful collaboration when developing
programs.

24. EK 5.2.1A Algorithms are implemented
using program instructions that are
processed during program execution.
COMPUTERS ARE ‘DUMB ROBOTS’.
THE CODE YOU WRITE ARE THE INSTRUCTIONS
THAT TELL COMPUTERS WHAT TO DO!

25. EK 5.2.1B Program instructions are
executed sequentially

26. EK 5.2.1C Program instructions may
involve variables that are initialized and
updated, read, and written.

27. EK 5.2.1D An understanding of
instructions processing and program
execution is useful for programming.

28. EK 5.2.1E Program execution
automates processes.

29. EK 5.2.1F Processes use memory, a central
processing unit (CPU), and input and
output. THE CPU IS THE
COMPUTER’S “BRAIN”
THESE ARE THE
COMPUTER’S
“MEMORY”

31. EK 5.2.1G A process may execute by
itself or with other processes.

32. EK 5.2.1H A process may execute on one
or several CPUs.

33. EK 5.2.1I Executable programs increase
the scale of problems that can be
addressed.
WELL-DONE COMPUTER PROGRAMS CAN SOLVE THE
EVERYDAY PROBLEMS OF MILLIONS AND MILLIONS AND
MILLIONS OF PEOPLE!
HOW MANY MILLIONS & BILLIONS OF PEOPLE USE GOOGLE,
WINDOWS, YOUTUBE, MICROSOFT OFFICE?

34. EK 5.2.1J Simple algorithms can
solve a large set of problems when
automated. WELL-DONE
COMPUTER
PROGRAMS
CAN SOLVE THE
EVERYDAY
PROBLEMS OF
MILLIONS AND
MILLIONS AND
MILLIONS OF
PEOPLE!
HOW MANY
MILLIONS &
BILLIONS OF
PEOPLE USE
GOOGLE,
WINDOWS,
YOUTUBE,
MICROSOFT
OFFICE?

35. EK 5.2.1K Improvements in algorithms,
hardware, and software increase the
kinds of problems and the size of
problems solvable by programming.
COMPUTING is
ALWAYS being
improved so that
humans can
solve bigger and
bigger problems
and more and
more kinds of
problems using
computing!

36. EK 5.3.1A Procedures are
reusable programming
abstractions.
Reusable programs (such as Chrome, Adobe, Microsoft Office) are
forms of abstraction because they are so generalized and can be used
over and over by millions and millions of people for millions and
millions of different things.

37. EK 5.3.1B A procedure is a named
grouping of programming instructions.

38. EK 5.3.1C Procedures reduce the
complexity of writing and maintaining
programs.

39. EK 5.3.1D Procedures have names and
may have parameters and return values.

40. EK 5.3.1E Parameterization can generalize
a specific solution.

41. EK 5.3.1F Parameters generalize a solution
by allowing a procedure to be used
instead of duplicated code.

42. EK 5.3.1G Parameters provide different
values as input to procedures when they
are called in a program.

43. EK 5.3.1H Data abstraction provides a
means of separating behavior from
implementation.

44. EK 5.3.1H Data abstraction provides a
means of separating behavior from
implementation.
Increasing abstraction

47. EK 5.3.1I Strings and string operations,
including concatenation and some form of
substring, are common in many programs.
In computer programming: a “string” is a
sequence of characters.
Ex: “snow” and “ball” are two strings
Concatenation is an operation joining strings
end to end.
Ex: the two strings “snow” and “ball” become
snowball
s = bear, and t = hug, then st = bearhug and ts =

48. EK 5.3.1J Integers and floating-point
numbers are used in programs without
requiring understanding of how they are
implemented.
Computers can not represent fractions, just like we have trouble representing
fractions as decimals. For example, writing 1 1/3 as a decimal results in 1.33333.
So, we can represent fractional numbers (numbers between 0 and 1) using
floating point numbers.
Floating point numbers use three essential components. See diagram:

49. EK 5.3.1K Lists and list operations, such as
add, remove, and search, are common in
many programs.
Basic operations of a
singly-linked list are:
Insert – Inserts a new
element at the end of
the list.
Delete – Deletes any
node from the list.
Find – Finds any node
in the list.
Print – Prints the list.

50. EK 5.3.1L Using lists and procedures as
abstractions in programming can result in
programs that are easier to develop and
maintain.

51. EK 5.3.1M Application program interfaces
(APIs) and libraries simplify complex
programming tasks.
Application program interface (API) is a set of routines,
protocols, and tools for building software applications. An
API specifies how software components should interact.
Additionally, APIs are used when programming graphical
user interface (GUI) components. A good API makes it easier
to develop a program by providing all the building blocks. A
programmer then puts the blocks together.

53. You can use Application program interfaces (APIs)
and libraries to create new apps.
Play YouTube Videos
Use an embedded player to play videos directly in
your app and customize the playback experience.
Add YouTube Data
Let users search YouTube content,
upload videos, create and manage
playlists, and more.
Analytics
&
Reporting
Subscri
be
Buttons

54. EK 5.3.1N Documentation for an
API/library is an important aspect of
programming.

55. EK 5.3.1O APIs connect software
components, allowing them to
communicate.

56. EK 5.4.1A Program style can affect the
determination of program correctness

57. EK 5.4.1B Duplicated code can make it
harder to reason about a program.

58. EK 5.4.1C Meaningful names for variables
and procedures help people better
understand programs.

59. EK 5.4.1D Longer code segments are
harder to reason about than shorter code
segments in a program.

60. EK 5.4.1E Locating and correcting errors in
a program is called debugging the
program.

61. EK 5.4.1F Knowledge of what a program is
supposed to do is required in order to find
most program errors.

62. EK 5.4.1G Examples of intended behavior
on specific inputs help people understand
what a program is supposed to do.
Does the input
give us the
output we’re
looking for?

63. EK 5.4.1H Visual displays (or different
modalities) of program state can help in
finding errors.
If the output
isn’t right, then
the program
isn’t right!

64. EK 5.4.1I Programmers justify and
explain a program’s correctness.

65. EK 5.4.1J Justification can include a
written explanation about how a program
meets its specifications.

66. EK 5.4.1K Correctness of a program
depends on correctness of program
components, including code segments and
procedures. Like a car with incorrect
parts, a program with
incorrect codes or
procedures won’t work

67. EK 5.4.1L An explanation of a program
helps people understand the functionality
and purpose of it.

68. EK 5.4.1M The functionality of a program
is often described by how a user interacts
with it.

69. EK 5.4.1N The functionality of a program
is best described at a high level by what
the program does, not at the lower level
of how the program statements work to
accomplish this.

70. EK 5.5.1A Numbers and numerical
concepts are fundamental to
programming.

71. EK 5.5.1B Integers may be constrained in
the maximum and minimum values that
can be represented in a program because
of storage limitations.

72. EK 5.5.1C Real numbers are approximated
by floating-point representations that do
not necessarily have infinite precision.

73. EK 5.5.1D Mathematical expressions using
arithmetic operators are part of most
programming languages

74. EK 5.5.1E Logical concepts and Boolean
algebra are fundamental to programming.

75. EK 5.5.1F Compound expressions
using and, or, and not are part of most
programming languages

76. EK 5.5.1G Intuitive and formal reasoning
about program components using
Boolean concepts helps in developing
correct programs.

77. EK 5.5.1H Computational methods may
use lists and collections to solve problems.

78. EK 5.5.1I Lists and other collections can be
treated as abstract data types (ADTs) in
developing programs.

79. EK 5.5.1J Basic operations on collections
include adding elements, removing
elements, iterating over all elements, and
determining whether an element is in a
collection.

80. Complete the programming questions