優萌初華

# Reviews What type of file access jumps directly to any piece of data in a file without reading the data that came before it? Sequential Random Number Text Assume that the customer file references a file object, and the file was opened using the w mode specifier. How would you write the string...

# Boolean Expressions # Relational or Comparison ops. (Assume variable a = 10, b = 20 ) Operator Description Example and Logical AND If both the operands are true then condition becomes true. ( a and b ) is true. or Logical OR If any of the two operands are non-zero then condition becomes true. (...

# Objective To write a program that calculates kilowatt - hour electrical appliance usage. # PROJECT DESCRIPTION Write a program that calculates the annual cost of operating various home appliances. For each appliance, the program will request that the user enter the cost per kilowatt - hour and...

# Course Formalities # Being Pythonic Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the...

Chapter 19 – Systems engineering Chapter 22 – Project management # Quiz Systems that include software fall into two categories. Technical computer based systems, and Sociotechnical systems. Which of stage is not part of the lifetime of large, complex systems Theoretical...

Chapter 17 – Distributed software engineering Chapter 18 - Service-oriented software engineering # Quiz Service-oriented architecture is an approach to software engineering where reusable, standardized services are the basic building blocks for application systems. Service-Oriented Architecture...

Chapter 15 - Software reuse Chapter 16 - Component Based SWE # Quiz Component-based software engineering is not a reuse-based approach. It is mean to develop systems that are implemented once and solely used for that application. To make independent, distributed components work together, you need...

Chapter 14 - Resilience Engineering # Quiz Resilience engineering does not focus on avoiding failure but rather on accepting the reality that failures will occur Which of the following are resilience activities involved in the detection of and recovery from system...

# Clustering # Introductions Clustering is an unsupervised learning method which can be used to discover the underlying pattern in the data structure. 聚类是一种无监督的学习方法，可以用来发现数据结构中的潜在模式。 For example, it can be used to group unlabelled data 例如，它可以用于对未标记的数据进行分组 # K-Means Clustering Requirements: numerical...

Chapter 12 - Safety engineering Chapter 13 - Security engineering # Quiz Safety-critical systems are systems whose failure can lead to human injury or death. Static analysis is an approach to V & V that examines the source code (or other representation) of a system, looking for errors and...