CS 106A Lecture Notes - Lecture 7: Infinite Loop, Decimal Mark, Eugenius Warming

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starsri111

23 Apr 2023

School

Stanford University

Department

Computer Science

Course

CS 106A

Professor

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Document Summary

Welcome back to yet another fun-filled exciting day of cs106a. So a couple quick announcements before we start first announcement, there are two handouts in the back. If you didn"t already get them, you can get them later. Second announcement, just a little reminder, microphones, if you go ahead and pick up those microphones right now and keep them in your lap. Just because, looking at the videos, got a, kind of, general reminder that the questions aren"t actually coming through. Whoa, or i can just breath real heavily into my microphone. So one real quick point before we dive into the main meat of the lecture, it"s just a clarification on something we did last time called the cast. So remember last time where we had a cast, which was this thing that allowed us to say treat this one data point, or this one data item, this one variable as a different type for one particular operation.

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Programming Writing Montreal Maps In the following questions, you will write classes that allow one to suggest a route to get from one point to another on a metro or train line. Note that for all of these questions, we will make the simplifying assumption that the earth is flat and that everything resides in 2 dimensions. (There were metros before Columbus and Galileo, right?) 6. Write a class MetroStation in which you define a new type MetroStation. (10 points) A MetroStation is defined to have the following private properties: • String name This represents the name of the metro station (e.g. Atwater, McGill, etc) • double xPosition This represents the x location of the metro station. • double y Position This represents the y location of the metro station. An MetroStation object should have the following public methods/behaviors defined on it. • A constructor that takes as input a String stationName, a double x, and a double y. The constructor should initialize the properties name, xPosition, and yPosition to these three values respectively • A method getName() which returns the name of the Metrostation. • A method get XPosition () which returns the x location of the Metrostation • A method get Position () which returns the y location of the Metrostation • A method equals (Metrostation other) which returns a boolean representing whether the name property of the this MetroStation is equal to the name property of other.

python is nowadays the most popular programming language but you can say it is the fastest growing programming language nowadays. The concept of python came into picture in 1989 and even java was you know the concept of java or python i 'll pronounce it as python right okay now see python is being used right now the main areas are machine learning data science artificial intelligence. White has become so popular because first thing is it is easy to learn easy to understand and it has wide range of applications i have told you in how many areas almost in every area it 's been used in almost every area. The big giants companies are using this language maybe the main language or supportive type of language as a support language. python is multi-paradigm language it is general purpose language almost in every field for making everything you can use this language. python is interpreted language without compiled language and is open source so that is why it is having a huge community and rich library many ill you know inbuilt packages modules functions.

The main areas where Python is being used are in software development, web development, data science,, artificial intelligence,, game development, and mobile apps..NK] Big giants companies are using Python as a support language in their research and development fields.. [UNK] is an easy to-understand, relatively low-level language that is suited for data analysis, software, development,, and game programming..NK] also has a wide range of applications in fields like artificial intelligence and machine learning.. 1.. Python is a general purpose, interpreted language. 2.. Python has a rich library with many preexisting functions and modules that can be used in programs without having to write them from scratch. 3.. Python is a popular language for data science and machine learning due to its built-in libraries and modules.. 4. Python has a large community of developers who can answer questions and help you out if you are struggling with using. It.

There are lots of career opportunities for this in this field for this language. There are many career opportunities and average salary is also high like it 's from 8 to 12 per nm so that is why it is so popular and i'm sure you are aware about now this language some features who are using it the application areas of python and all. In the next video we will see history of this language first.

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Check answers Multiple Choice Question 12 (1 point) Saved

To prevent falls, keep the floors clean and...

Question 12 options:

shiny

◯ wet

◯ dry

◯ glossy

Question 13 (1 point) Saved

The acronym FAT TOM stands for...

Question 13 options:

◯ food, acidity, time, temperature, oxygen, moisture

◯ food, alkalinity, time, temperature, oxygen, moisture

◯ food, alkalinity, time, thermometer, oxygen, moisture

◯ food, acidity, time, thermometer, oxygen, moisture

Question 14 (1 point) Saved

How do you stay safe in a food lab (at school or at home)?

Question 14 options:

◯ following the kitchen safety rules

◯ refrain from horseplay in the kitchen

◯ always wipe up spills immediately

◯ all of the above

◯ a and b only

Question 15 (1 point) Saved

Which temperature range represents the Danger Zone?

Question 15 options:

◯ 40oF - 140oF

◯ 4oC - 60oC

◯ both a and b

◯ none of these reflects the temperatures of the Danger Zone

Question 16 (1 point) Saved

Which of the following temperatures is the correct minimum temperature at which to reheat leftovers?

Question 16 options:

◯ 140oF

◯ 212oF

◯ 165oF

◯ 40oF

Question 17 (1 point) Saved

What should you NOT do in the event of a grease fire?

Question 17 options:

◯ pour water on the flame

◯ turn off the heat source

◯ pour baking soda on the flame

◯ cover the pan with a metal lid

Question 18 (1 point) Saved

To avoid an accident on the stove, pot handles should be turned towards the…

Question 18 options:

◯ sides of the stove

◯ back of the stove

◯ front of the stove

◯ centre of the stove

Question 19 (1 point) Saved

Which of the following statements about storing leftovers is false?

Question 19 options:

◯ they should be stored in airtight containers

◯ use deep storage containers

◯ cut up large pieces of meat first

◯ allow hot food to cool first

Question 20 (1 point) Saved

When using a fire extinguisher, we use an acronym called PASS to put out the fire. PASS stands for:

Question 20 options:

◯ pull, aim, squeeze, smother

◯ push, aim, squeeze, sweep

◯ pull, aim, squeeze, sweep

◯ push, aim, squeeze, smother

Question 21 (1 point) Saved

What is food safety?

Question 21 options:

◯ following food practices that help prevent foodborne illness and keep food safe to eat

◯ not letting microorganisms from one food get into another

◯ keeping counters and walkways clear and free of clutter

◯ all of the above

Question 22 (1 point) Saved

To prevent burns...

Question 22 options:

◯ always use oven mitts

◯ pull oven rack out with a towel

◯ open the pot lid towards you

◯ none of these can help to prevent burns

Question 23 (1 point) Saved

Which of the following is an unsafe practice and may cause electrical shock?

Question 23 options:

◯ pulling the plug out of the outlet by the cord

◯ drying your hands before using electrical equipment

◯ unplugging equipment before cleaning it

◯ not using equipment when electrical cords are frayed

Question 24 (1 point) Saved

When removing pans from the oven, you should...

Question 24 options:

◯ use a dishtowel

◯ use a potholder

◯ use two oven mitts

◯ use an apron

Question 25 (1 point) Saved

Which of the following is NOT a type of thermometer?

Question 25 options:

◯ dial oven-safe

◯ dial instant-red

◯ digital oven-safe

◯ thermometer fork combination

◯ these are all types of thermometers

Question 26 (1 point) Saved

In the temperature Danger Zone...

Question 26 options:

◯ bacteria are most likely to be killed

◯ conditions are least favourable for bacteria growth

◯ conditions are most favourable for bacterial growth

◯ acid and salt begin to attack bacteria

Question 27 (1 point) Saved

Pathogenic (bad) bacteria require time to multiply. Generally, they must be in the Temperature Danger Zone for more than _________ to multiply rapidly.

Question 27 options:

◯ 8 hours

◯ 2 hours

◯ 4 hours

◯ 1 hour

Question 28 (1 point) Saved

Julie always arrives home from work late and tired. She usually leaves the meat on the counter to thaw all day so it's ready to cook when she gets home. Why is this an unsafe practice?

Question 28 options:

◯ bacteria grow rapidly at room temperature

◯ a foodborne illness may occur

◯ all of the above

Question 29 (1 point) Saved

Who is at the greatest risk of getting a food borne illness?

Question 29 options:

◯ teenagers and young adults

◯ newlyweds

◯ chronically ill people

◯ food service workers

Question 30 (1 point) Saved

Which of the following foods are considered potentially hazardous?

Question 30 options:

◯ foods cooked to extremely high temperatures

◯ canned fruits and vegetables

◯ moist, high protein foods

◯ foods left in the Danger Zone less than one hour

Question 31 (1 point) Saved

Bacteria wouldn't multiply in a box of corn flakes because...

Question 31 options:

◯ cereal is low in moisture

◯ corn flakes are too acidic

◯ corn flakes are high in protein

◯ the box is too high in the cupboard

Question 32 (1 point) Saved

For general food safety...

Question 32 options:

◯ hands should be washed with cold, soapy water

◯ hands should be washed for 20-30 seconds

◯ never thaw food on the counter

◯ all of the above

◯ b and c only

Question 33 (1 point) Saved

Cross-contamination happens when...

Question 33 options:

◯ microorganisms from one food get onto another food

◯ you use the same cutting board for vegetables after using it for raw meat

◯ fruits and vegetables are not washed before using/eating them

◯ all of the above

◯ a and b only

Question 34 (1 point) Saved

Almost all pathogens (bad bacteria) are aerobic. This statement is referring to the ____________ of the FAT TOM acronym.

Question 34 options:

◯ moisture

◯ oxygen

◯ time

◯ temperature

◯ aerobic pathogens do not relate to any part of the FAT TOM acronym

Question 35 (1 point) Saved

Which of the following is an unsafe practice and may cause poisoning?

Question 35 options:

◯ washing your hands

◯ mixing chemical products

◯ storing foods properly

◯ reading chemical labels

Question 36 (1 point) Saved

Bacteria in the kitchen can be found...

Question 36 options:

◯ on counters

◯ in food

◯ in the fridge

◯ on our hands

◯ everywhere

Question 37 (1 point) Saved

The most dangerous knife in the kitchen is...

Question 37 options:

◯ all knives are equally dangerous

◯ a sharp knife

◯ a dull knife

◯ a serrated knife

Question 38 (1 point) Saved

To prevent falls...

Question 38 options:

◯ use a step stool

◯ remove slippery rugs

◯ clean up spills immediately

◯ all of the above

Question 39 (1 point) Saved

The four steps to reduce foodborne illness and to "Fight Bac" are...

Question 39 options:

◯ clean, separate, cook, chill

◯ clean, create, cook, chill

◯ clean, cross-contaminate, cook, chill

◯ clean, care, cook, chill

Question 40 (1 point) Saved

Foodborne illness....

Question 40 options:

◯ sometimes reflects flu-like symptoms

◯ symptoms may begin after several days or even weeks

◯ in the most extreme cases, may cause death

◯ all of the above reflect symptoms of foodborne illness

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CS 106A Lecture Notes - Lecture 7: Infinite Loop, Decimal Mark, Eugenius Warming

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