Introduction to Programming with Python: Fundamentals and Data Structures
Programming Languages
Programs are found in many places such as on your computer, your cell phone, or on the internet. A program is a set of instructions that are run or executed. There are many programming languages and, for this course, we will use the Python programming language.
Arithmetic Operators
Operator
Operation
Expression
English description
Result
+
Addition
11 + 56
11 plus 56
67
Subtraction
23 – 52
23 minus 52
-29
Multiplication
4 * 5
4 multiplied by 5
20
Exponentiation
2 ** 5
2 to the power of 5
32
/
division
9
Read MorePython Programming Fundamentals: Introduction to Data Types, Operators, and Control Flow
Programming Languages
Programs are found in many places such as on your computer, your cell phone, or on the internet. A program is a set of instructions that are run or executed. There are many programming languages and, for this course, we will use the Python programming language.
Arithmetic Operators
Operator
Operation
Expression
English description
Result
+
Addition
11 + 56
11 plus 56
67
Subtraction
23 – 52
23 minus 52
-29
Multiplication
4 * 5
4 multiplied by 5
20
Exponentiation
2 ** 5
2 to the power of 5
32
/
division
9
Read MoreSoftware Engineering Fundamentals and Methodologies
CH1
SW prods: 1.Generic: The spec.
Of wht the SW shud do is owned by the SW dever & decisions on SW chnge r made by the dever. 2. Cus2mized: The spec. Of wht the SW shud do is owned by the cstmr
4 the SW & they make decisions on SW chnges that r reqd. SW: Computer progs & associated docmn.. SW prods may b deved 4 a particular cstmr or may b deved 4 a general market. Attributes of good SW: deliver the reqd funcnality & per4mance, maintainable, dependable & usable.SE: engi. Discipline
Recursive and Iterative Drawing in Python with Turtle
Homework 2
DrawStar(S, N)
Recursion to draw snowflake
python
def DrawStar(S, N):
"""
Recursion to draw snowflake
"""
if N == 1:
pass
else:
turtle.forward(S/3)
DrawStar(S/3, N-1)
turtle.forward(-S/3)
turtle.left(60)
turtle.forward(S/3)
DrawStar(S/3, N-1)
turtle.forward(-S/3)
turtle.left(60)
turtle.forward(S/3)
DrawStar(S/3, N-1)
turtle.forward(-S/3)
turtle.left(120)
turtle.forward(S/3)
DrawStar(S/3, N-1)
turtle.forward(-S/3)
turtle.left(60)
turtle.forward(S/3)
DrawStar(S/3, N-1)
turtle.forward(-S/3)
Understanding Network Protocols and Architectures
Network Protocols and Architectures
Transport Services and Protocols
Transport services and protocols provide communication between application processes running on different hosts.
- Send side: Breaks application messages into segments and passes them to the network layer.
- Receive side: Reassembles segments into messages and passes them to the application layer.
Network and Transport Layers
Network layer: Enables logical communication between hosts.
Transport layer: Facilitates local communication between
Read MoreUnderstanding ISO 4335: HDLC Frame Structure and Control Field Formats
ISO 4335 – HDLC
Reference Standard
ISO 3309 and ISO 4335
HDLC Frame Structure: Fields
| Length | Field |
|---|---|
| 1 or n octets | Address |
| 1 or 2 octets | Control |
| n octets | Optional Information |
| 2 octets | Frame Control Sequence |
HDLC Frame Structure: Address Field
Reference Standard
ISO 3309
The address field identifies a frame as either a command or a response. A command frame contains the address of a station to which the command is being sent. A response frame contains the address of the station sending the frame.