Answer:
he should look at the screen
Answer:
C. The screen
Explanation:
got it on edge
If ClassC is derived from ClassB which is derived from ClassA, this would be an example of ________.
Answer:
Inheritance
Explanation:
What is the difference between a computer’s RAM and its hard disk?
A. RAM is not volatile, which means that it is more reliable than a hard disk. A hard disk is volatile, which means that it is vulnerable to electronic interference.
B. RAM is volatile, which means that it does not retain information in memory after powering down. A hard is not volatile, which means that it retains information in memory after powering down.
C. RAM is not volatile, which means that it retains information in memory after powering down. A hard disk is also not volatile, which means that it retains information in memory after powering down.
D. RAM is volatile, which means that it must be handheld with care when removed or replaced. A hard disk is not volatile, which means that it is much more resistant to movement during removal or replacement.
Answer:
D. RAM is volatile, which means that it must be handheld with care when removed or replaced. A hard disk is not volatile, which means that it is much more resistant to movement during removal or replacement.
Explanation:
Most RAM (random access memory) used for primary storage in personal computers is volatile memory. Volatile memory contrasts with non-volatile memory, which does not lose content when power is lost. Non-volatile memory has a continuous source of power and does not need to have its memory content periodically refreshed.
Answer:
Explanation:
RAM can be accessed faster than hard drive. – Any changes made to the file will be present in RAM while once the changes are saved it is copied to the hard drive permanently. – RAM needs power to store data, hard drives do not.
You are writing code to store the length of a side of a square. Which one is a good variable name
Answer:
Explanation:
Hi, pooop! i really like your username
In programming we should use camelcase whichLooksLikeThis because the capital letters are kind of like the back of a camel
so perhaps make the variable name:
lengthSquare
it looks like your question has multiple choice answers.. but i cant see them... so i just made up my own answer...
The _______ is responsible for fetching program instructions, decoding each one, and performing the indicated sequence of operations.
Answer: C P U Terms in this set (124) What is the CPU responsible for? Fetching program instructions, decoding each instruction that is fetched, and performing the indicated sequence of operations on the correct data.
Explanation:
The Central Processing Unit is responsible for fetching program instructions, decoding each one, and performing the indicated sequence of operations.
What is CPU?A central processing unit, often known as a central processor, main processor, or simply processor, is the electrical circuitry that processes computer program instructions. The CPU executes fundamental arithmetic, logic, controlling, and input/output operations as provided by the program's instructions.
The CPU is in charge of all data processing. It keeps data, interim outcomes, and instructions saved (program). It controls how all computer components work.
Therefore, it can be concluded that The CPU is in charge of acquiring program instructions, decoding each one, and performing the prescribed series of actions on the proper data.
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What is the best data type for nationality field
Answer:
ISO Alpha-2 (two-letter country code) ISO Alpha-3 (three-letter country code) ISO Numeric (three-digit country code)
Imagine that you have an image that is too dark or too bright. Describe how you would alter the RGB settings to brighten or darken it. Give an example.
True or False? Voice recognition is the process of determining the meaning of the words spoken by a human.
Answer:
The answer is False.
How does a computer work?
Answer:
A computer is a Device that can run multiple applications at a time and access the internet where you can find online stores and more also used to make video calls and more.
What type of database replication relies on centralized control that determines when replicas may be created and how they are synchronized with the master copy
Database replication is very common in this Era. Traditional database replication is relies on centralized control that determines when replicas may be created and how they are synchronized with the master copy.
Database replication is known to be the constant electronic copying of data from a database using one computer or server that is connected also to a database in another . this ensure that all users do share the same level of information.
Replication is often done to technologies which are used for copying and distributing data and database objects from one database to another and thereafter use in synchronizing between databases.
Conclusively, Replicas can only be made in the Traditional database replication through the power of centralized control.
See full question below
What type of database replication relies on centralized control that determines when replicas may be created and how they are synchronized with the master copy?
a distributed database model
b. traditional database replication
c. enterprise replication
d. local database model
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Explain the role that the number of data exchanges plays in the analysis of selection sort and bubble sort. What role, if any, does the size of the data objects play
Answer:
The greater the number of exchanges are there greater is the complexity of the algorithm. Thus it is a measure to check for the complexity of the program.
Differentiate between patent and copyright.
Answer: Patent - securing an invention
Copyrights - securing original ideas
Both are governed by different rules and regulations and both are for different purposes.
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the most important part of a computer
Answer:
CPU central processing unit
Which statement best explains how the main idea relates to taking notes?
The main idea is always included in effective notes.
The main idea is always easy to identify.
The main idea is rarely used as a title for notes.
The main idea is rarely identified by listening or reading
Answer:
The main idea is always included in effective notes.
Answer:
a
Explanation:
I did the quiz
For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists
Answer:
ICMP
Explanation:
Assume that the speed of new computers costing a certain amount of money grows exponentially over time, with the speed doubling every 18 months. Suppose you need to run a very time consuming program and are allowed to buy a new computer costing a fixed amount on which to run the program. If you start now, the program will take 7 years to finish. How long should you delay buying the computer and starting the program so that it will finish in the shortest amount of time from now
Therefore, in order to run the program in the shortest time, you should delay for 3 years
Given that the speed of new computers costing a certain amount of money grows exponentially over time, with the speed doubling every 18 months.
Exponential equation as a function of time can be expressed as
P(t) = [tex]P_{0}[/tex][tex]R^{t/T}[/tex]
Quantity P will be increasing exponentially when R > 1. And it will decrease exponentially when R < 1.
Suppose you need to run a very time consuming program and are allowed to buy a new computer costing a fixed amount on which to run the program. If you start now, the program will take 7 years to finish.
Let the time required to run and complete a program for time t years be P(t).
If the speed doubling every 18 months, which is 3/2 years. This will eventually cause the running time to decrease by half (0.5)
P(t) = 7[tex](1/2)^{3t/2}[/tex] = 7[tex](2)^{-3t/2}[/tex]
The total time T will be sum of the delay time t and the time of running the program. That is
T(t) = t + P(t)
T(t) = t + 7[tex](2)^{-3t/2}[/tex] .......... (2)
We can calculate the minimum time t by differentiating the above equation and make it equal to zero.
dT/dt = 1 + 14/3[tex](2)^{-3t/2}[/tex](ln0.5) = 0
14/3[tex](2)^{-3t/2}[/tex](ln0.5) = -1
[tex](2)^{-3t/2}[/tex](ln0.5) = -3/14
[tex](2)^{-3t/2}[/tex] = -3/14ln0.5
Log (natural logarithm) both sides
-3t/2ln2 = ln(3/14ln2)
make t the subject of formula
t = - 3ln(3/14ln2) ÷ 2ln2
t = 2.5 approximately
To know how long you should delay buying the computer and starting the program so that it will finish in the shortest amount of time from now, substitute t into equation 2
T(2.5) = 2.5 + (7)[tex]2^{-3(2.5)/2}[/tex]
T(2.5) = 2.5 + 0.5202
T(2.5) = 3.02 years
T (2.5) = 3 years approximately
Therefore, in order to run the program in the shortest time, you should delay for 3 years
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discuss the communicatin process giving detailed explanation on each process
Communications is fundamental to the existence and survival of humans as well as to an organization. It is a process of creating and sharing ideas, information, views, facts, feelings, etc. among the people to reach a common understanding. Communication is the key to the Directing function of management.
A manager may be highly qualified and skilled but if he does not possess good communication skills, all his ability becomes irrelevant. A manager must communicate his directions effectively to the subordinates to get the work done from them properly.
Communications ProcessCommunications is a continuous process which mainly involves three elements viz. sender, message, and receiver. The elements involved in the communication process are explained below in detail:
1. Sender
The sender or the communicator generates the message and conveys it to the receiver. He is the source and the one who starts the communication
2. Message
It is the idea, information, view, fact, feeling, etc. that is generated by the sender and is then intended to be communicated further.
Browse more Topics under Directing
Introduction, Meaning, Importance & Principles of DirectingElements of DirectionIncentivesLeadership3. Encoding
The message generated by the sender is encoded symbolically such as in the form of words, pictures, gestures, etc. before it is being conveyed.
4. Media
It is the manner in which the encoded message is transmitted. The message may be transmitted orally or in writing. The medium of communication includes telephone, internet, post, fax, e-mail, etc. The choice of medium is decided by the sender.
5. Decoding
It is the process of converting the symbols encoded by the sender. After decoding the message is received by the receiver.
6. Receiver
He is the person who is last in the chain and for whom the message was sent by the sender. Once the receiver receives the message and understands it in proper perspective and acts according to the message, only then the purpose of communication is successful.
7. Feedback
Once the receiver confirms to the sender that he has received the message and understood it, the process of communication is complete.
8. Noise
It refers to any obstruction that is caused by the sender, message or receiver during the process of communication. For example, bad telephone connection, faulty encoding, faulty decoding, inattentive receiver, poor understanding of message due to prejudice or inappropriate gestures, etc.
An engine that generates hot, expanding gases by burning fuel inside the machine.
Answer:
Piston engines, jet engines, and rocket engines all depend on the same basic principles to produce thrust. The engine mixes fuel with oxygen or another oxidizer in a combustion chamber. The mixture is ignited. The burning mixture creates hot, expanding gases.
Explanation:
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Do you have any concerns or worries about how you will manage your course assignments or expectations? Your journal entry will only be seen by you and your instructor, so feel free to share any questions and worries you have.
Answer:
no worries at all.
yeah-ya..... right?
50 free po.intssssssss!
Answer:ty
Explanation:
You work in an office that uses Linux and Windows servers. The network uses the IP protocol. You are sitting at a Windows workstation. An application you are using is unable to connect to a Windows server named FileSrv2. Which of the following commands would work BEST to test network connectivity between your workstation and the server?
a. arp
b. dig
c. tracert
d. nslookup
e. ping
Answer:
ping
Explanation:
its ping. im a computer science nerd :')
How exactly do I answer questions?
Answer:
If you mean this website, click the add answer button on the question
Explanation:
. Question 2 Fill in the blank: R Markdown notebooks can be converted into HTML, PDF, and Word documents, slide presentations, and _____.
R markdown notebook describes a notebook format in R programming which supports R programmers to run codes while also writing documents or explanation alongside. Hence, the missing option is Dashboard.
R markdown may be compared to jupyter notebooks which also supports writing in markdown language. The R markdown notebooks can be created using the R studio, which allows the conversion notebooks of these notebooks into several different formats including the creation of dashboards.Hence, R markdown notebooks can be converted to HTML PDF, word document, slide presentation and dashboards.
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A notebook for R Markdown is required to document, discuss, and justify each stage of your investigation.
R markdown notebook presents a R programming notebook style that enables R programmers to run codes while simultaneously producing papers or explanations. A R Notebook, which is a document written in R Markdown, allows the software components to be run separately and in real-time. Additionally, it does away with the necessity of weaving all of your R Markdown text in order to test the results as you build your website.
Every R Notebook has the ability to be converted into any other R Markdown document type, and every R Markdown document has the ability to be used as a notebook. R Notebooks are thus a special operating option.
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LIst types of computer process ?
Answer:
Transaction Processing.
Distributed Processing.
Real-time Processing.
Batch Processing.
Multiprocessing.
Write a program that, given a file name typed by the user, reads the content of the file and determines the highest salary, lowest salary and average salary. The file contains employee records, and each record consists of the hours worked and the hourly rate. The salary is calculated as the product of the hours worked and the hourly rate.
An example of file containing three records is as follows:
10.5 25.0
40.0 30.0
30.9 26.5
Using the pandas packge in python, the program which performs the required calculation goes thus :
file_name = input()
#user types the filename
df = pd.read_csv(file_name, names=['hours_worked', 'rate']
#file is read into a pandas dataframe
df['salary'] = df['hours_worked'] * df['rate']
#salary column is created using the product of rate and hours worked
highest_salary = df['salary'].max()
#the max method returns the maximum value of a series
print('highest_salary)
lowest_salary = df['salary'].min()
#the min method returns the minimum value of a series
print('lowest_salary)
avg_salary = df['salary'].mean()
#the mean method returns the average value of a series
print('avg_salary)
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A good algorithm should have which three components?
O A. Commands, inputs, and outputs
B. Clarity, readability, and sequencing
C. Steps, order, and outcomes
O D. Clarity, simplicity, and brevity
Answer:
a good algorithm must be able to accept a set of defined input. Output: a good algorithm should be able to produce results as output, preferably solutions. Finiteness: the algorithm should have a stop after a certain number of instructions. Generality: the algorithm must apply to a set of defined inputs.Explanation:
A good algorithm should have Steps, order, and outcomes. The correct option is C.
What is algorithm?An algorithm is a set of instructions that solves a particular problem or performs a specific task.
An algorithm must be well-defined and organised in order to be effective, with clear steps or procedures, a logical order of operations, and a clear understanding of the expected outcomes or results.
As a result, the steps, the order in which those steps are executed, and the expected outcomes or results of following those steps are three essential components of a good algorithm.
Option A describes the fundamental components of a programme, but it is not always a good algorithm.
Option B emphasises some important characteristics of good code, but not specifically related to algorithm design.
Option D addresses important aspects of any type of technical writing, but is not specifically related to algorithm design.
Thus, the correct option is C.
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Write a function named partfthat takes inas parameterstwo parallel lists: a list of times (in increasing order), and a list of distance traveled by that point in time. The function should return a new list giving the average velocity between consecutive time measurements. The new list should have a length of one less than the original lists.
The program calculates the velocity between points in a list is written below. The program is written in python 3 thus ;
t = input("Enter time values : ")
#Enter the time values of the data
p = input("Enter distance values : ")
#Enter the distance values
dist = [float(x) for x in p.split()]
time = [float(x) for x in t.split()]
#pyt then values in a list
def partfthat(dist, time):
#initialize function that takes in two parameters
vel = []
#empty list to hold the calculated velocity values
i = 0
#indexer
while i <= len(dist)-2:
#while loop to iterate
v = (dist[i+1] - dist[i]) / (time[i+1] -time[i])
#Use the velocity formula
vel.append(v)
#append values to the empty list created
i+=1
return vel
print(avg_vel(dist, time))
A sample run of the program is attached.
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In your own words, explain the process undertaken while testing the significance of a multiple linear regression model parameter Indicating clearly the hypothesis considered, test statistics used rejection criteria and conclusion.
Imagine you were going to use a dedicated workstation for an animation job rather than a personal PC. What differences would you expect to see between a dedicated 3D animation workstation and a typical PC
I'm no expert here, as I don't own a workstation but rather a gaming pc. But hey, I did tons of research on pc components and I think I can answer your question.
A dedicated workstation would be FAR more capable of running 3d applications, given how demanding they can get than a personal PC. You'd instantly regret using a typical pc for 3d rendering, even a top of the line gaming pc. Point is, gpus created by nvidia are far more capable of running graphic intensive programs specifically made for work than any other gpu. If you want to be satisfied, i'd advise you go for a workstation (Plus they're so much easier to get your hands on than a gaming rig).
HOW TO DISCONNECT A MONITOR FROM A SYSTEM UNIT
Answer: 1. Use the Windows key + P keyboard shortcut.
2. Using the “Project” flyout, select the PC screen only option.
3. Open Settings.
Click on Display.
Under the “Select and rearrange displays” section, select the monitor that you want to disconnect.
Select monitor on Windows 10
Under the “Multiple displays” section, use the drop-down menu and select the Disconnect this display option.
the reasons why business processes are necessary in a company
Before knowing why they are necessary, let me explain what a business process is to be clear so you can understand a little bit more before I get to the meat. When a group of people work together to accomplish a certain goal, the process is called a "business process." A participant is assigned a task at each step of a business process. To put it another way, it serves as the foundation for several related concepts such as business progress management and process automation
The importance of a business process.In big firms, having a business process is a must, and the advantages of doing so are immediately apparent. Organizations are made up of processes, which allow them to streamline and maximize the utilization of resources at the same time.
Reasons to have a well-defined business processIdentify which tasks are the most important to your larger business goalsImprove efficiencyStreamline communicationSet approvals to ensure accountability and an optimum use of resourcesPrevent chaos from lurking and lingering in your daily operationsStandardize a set of procedures to complete tasks that really matter to your business and tie it togetherReduction of risks from BPM softwareElimination of redundanciesMinimized costsImproved collaborationImproved productivity so that means more moneyHigher efficiencyHigher complianceAnswer:
Key reasons to have well-defined business processes
Identify what tasks are important to your larger business goals. Improve efficiency. Streamline communication between people/functions/departments. Set approvals to ensure accountability and an optimum use of resources.