The benefits of the computer science and a description and rationale to support these benefits are:
for increased efficiency and reduced costsInformation storage and retrieval CommunicationProblem-solvingEntertainmentWhat are the benefits?Automated systems are more efficient and cost-effective, completing tasks faster and with higher accuracy, increasing productivity while reducing costs. Info storage/retrieval w/ comp sci allows easy access to big data.
Computer science has transformed communication with digital tools like email, messaging, video conferencing, and social media, facilitating easier global collaboration.
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12.2 Code Practice: Question 1 PLEASE HELP I AM DYING OVER HERE
Write a program which creates a dictionary by asking the user to type a key followed by a value until the user types STOP.
However, this program should not allow a user to replace a value for a key they have already inserted. If a user types a key and value, and that key is already used in the dictionary, it should ignore it.
At the end of the program, the dictionary should be printed.
Sample run
Type a key (STOP when done):
Piccadilly
Type a value:
Dark blue
Type a key (STOP when done):
Central
Type a value:
Red
Type a key (STOP when done):
Piccadilly
Type a value:
Green
Type a key (STOP when done):
Victoria
Type a value:
Light blue
Type a key (STOP when done):
STOP
{'Piccadilly': 'Dark blue', 'Central': 'Red', 'Victoria': 'Light blue'}
dictionary = {}
while True:
key = input("Type a key (STOP when done): ")
if key == "STOP":
break
value = input("Type a value: ")
print()
if key in dictionary:
continue
dictionary[key] = value
print()
print(dictionary)
This is a Python script that brings a dictionary through soliciting input from the user for keys and values until the word "STOP" is entered.
By implementing this code feature, the system guarantees that the end user is restricted from substituting a value for a particular key that has been previously entered.
A while loop is employed to continuously prompt the user to input a key and a value, until the user enters "STOP". We use the in operator to verify if a key already exists in the dictionary whenever a new key is entered.
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A company is developing a new car seat to monitor whether a person is starting to fall asleep while driving and to provide a wake-up call using olfactory and haptic feedback. Where and how would you evaluate it?
To evaluate the effectiveness of the new car seat designed to monitor drowsiness and provide wake-up alerts using olfactory and haptic feedback, a combination of laboratory testing, controlled driving simulations, and real-world studies can be employed. Here's an overview of potential evaluation methods:
Laboratory Testing: Conduct controlled experiments in a laboratory setting with volunteer participants. Use equipment such as sensors, EEG devices, and physiological monitoring tools to measure drowsiness indicators. Participants can be exposed to simulated driving scenarios while their drowsiness levels are monitored. Evaluate the accuracy of the seat's drowsiness detection and the effectiveness of the olfactory and haptic feedback in waking up the participant.
Controlled Driving Simulations: Utilize driving simulators to create realistic driving scenarios. Participants can experience various road conditions and driving challenges while their drowsiness levels are monitored. Assess the seat's ability to accurately detect drowsiness and evaluate the effectiveness of the wake-up alerts through subjective feedback and objective measurements like reaction times and driving performance.
Real-World Testing: Collaborate with willing participants who agree to install the car seat in their own vehicles and use it during their regular driving routines. Collect data on drowsiness incidents, feedback from participants, and real-world effectiveness of the olfactory and haptic wake-up alerts. This approach allows for evaluating the seat's performance in diverse driving conditions and user experiences.
User Feedback and Surveys: Conduct surveys and interviews with participants to gather subjective feedback on their experience using the car seat. Assess their perception of drowsiness detection accuracy, the effectiveness of the wake-up alerts, and overall satisfaction with the system. Feedback can help identify areas for improvement and inform future iterations.
Long-Term Field Studies: Engage a group of participants to use the car seat for an extended period, potentially several weeks or months. Monitor their driving behavior, collect data on drowsiness incidents, and assess the long-term impact of the seat on preventing drowsy driving. This approach provides insights into the seat's usability, durability, and effectiveness over an extended period in real-world conditions.
It is crucial to ensure that the evaluation methods adhere to ethical considerations, prioritize participant safety, and comply with relevant regulations and guidelines for testing automotive technologies.
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How should Jacob format the Notes Master so it will be most helpful to his audience?
To format the Notes Master in a way that will be most helpful to his audience Jacob should
Use a consistent layoutTips on formatting a note masterUse a consistent layout: jacob should use a consistent layout throughout the presentation to make it easy for the audience to follow this means using the same fonts colors and formatting for each slide
Use clear concise language jacob should use clear and concise language to communicate his message effectively he should avoid using technical jargon or complex language that may be difficult for his audience to understand
Use bullet points: jacob should use bullet points to break down complex ideas into easily digestible pieces of information this will make it easier for the audience to follow along and remember key points.
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write a program in BASIC to calculate the factorial of a number N
The program in BASIC to calculate the factorial of a number N is
10 INPUT "Enter a number: ", N
20 F = 1
30 FOR I = 1 TO N
40 F = F * I
50 NEXT I
60 PRINT "Factorial of "; N; " is "; F
This abbreviation stands for "Beginner's All-purpose Symbolic Instruction Code." BASIC is a computer programming language created in the mid-1960s to allow students to create simple computer programs.
BASIC is a family of general-purpose, high-level programming languages that are intended to be simple to use. Dartmouth College's John G. Kemeny and Thomas E. Kurtz designed the first version in 1963. They wanted non-scientific pupils to be able to utilize computers.
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Which part of a conditional goes after the if keyword and before the colon?
Answer:
The header line of the if statement begins with the keyword if followed by a boolean expression and ends with a colon ( : ).
Explanation:
