Why does a computer need an operating system?

Answers

Answer 1

Answer:

An operating system helps it to manage and run its designed duties.

If it lacks an operating system, it wouldn't be able to work


Related Questions

When you create a _____ query, the value the user enters in the dialog box determines which records the query displays in the results. a. parameter

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When a parameter query is created, the value entered in a dialog box by an end user determines the record that would be displayed in the results.

A query refers to a computational request for data (information) that are saved either in a database table, from existing queries, or from a combination of both a database table and existing queries.

Basically, there are four (4) main types of query and these include:

Select query.Action query.Aggregate query.Parameter query.

A parameter query is designed and developed to display a dialog box that prompts an end user for data or field criteria, which determines the record that would be displayed in the results.

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Given an array of String objects, use streams to count how many have a length less than or equal to three. StringLengthDemo.java

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The array of String objects, use to count how many have a length less than

or equal to three is as follows:

string_object = ["brainly", "mathematics", "boy", "girl", "us", "joy", "key"]

x = []

for i in string_object:

   if len(i) <= 3:

       x.append(i)

print(len(x))

The code is written in python

The string array is declared.

Then an empty variable array is declared.

Then we loop through the array.

If any of the string length in the array is less than or equals to 3 , we append it to the empty array.

Then finally, we print the counted number of strings

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Edhesive 4.3 code practice question 2

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Sos shacahacwhaveusbsusvs js

What was the goal of the COMPETES Act of 2007?

Answers

Simply put, the goal was, "To invest in innovation through research and development, and to improve the competitiveness of the United States."

Answer:

Increasing federal investment in scientific research to improve U.S. economic competitiveness.

Explanation:

Hope this helps!

how can computers be a threat to public safety??

help asap marking brainiest ​

Answers

Loss or theft of your computer, smartphone or tablet. Malware, including spyware, on public computers. Theft of personal information from, or access to browsing history on public computers.

Your company is building a new architecture to support its data-centric business focus. You are responsible for setting up the network. Your company's mobile and web-facing applications will be deployed on-premises, and all data analysis will be conducted in GCP. The plan is to process and load 7 years of archived .csv files totaling 900 TB of data and then continue loading 10 TB of data daily. You currently have an existing 100-MB internet connection. What actions will meet your company's needs

Answers

The actions will meet your company's needs is to Lease a Transfer Appliance, upload archived files to it, and send it to oogle to transfer archived data to Cloud Storage.

Data centric is simply known to be an architecture where data is said to be of primary and permanent asset, and applications is temporary.

Businesses is all about functionality, and as such, firms often buys or build application systems.

Each application system is known to have its own unique data model, and its code is often linked with the data model used.

Conclusively, Transferring large datasets needs manpower that is the right team, planning early, and testing your transfer plan before its use.

 

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Natural language generation is focused on?

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While natural language understanding focuses on computer reading comprehension, natural language generation enables computers to write. NLG is the process of producing a human language text response based on some data input. This text can also be converted into a speech format through text-to-speech services.

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Which of the following can you do after switching to Outline view? Select all the options that apply.
a. Change the level of text.
b. Change the order of slides.
c. Move text within a slide.
d. View an outline of the presentation.

Answers

On PowerPoint, the tasks that can be performed after switching to Outline view include:

a. Change the level of text.

c. Move text within a slide.

d. View an outline of the presentation.

PowerPoint can be defined as a software application (program) that is generally designed and developed by Microsoft Inc., to avail its end users an ability to create multiple slides containing textual and multimedia information which can be used during a presentation.

Generally, there are five (5) main view that are available in PowerPoint and these include:

Normal viewReading viewNotes pageSlide sorterOutline view

An outline view allows an end user to see a whole (entire) presentation in logical order. Thus, the presentation is displayed as an outline comprising the titles and main text from each slide of the presentation.

Hence, the tasks that can be performed after switching to Outline view include:

1. Change the level of text.

2. Move text within a slide.

3. View an outline of the presentation.

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Project managers have the overall responsibility for planning, executing, and completing a project. (3 points) True False

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True, project managers are responsible for all of those things.


A machine that converts energy to useful work.

Answers

Answer:

heat engine

A heat engine is any machine which converts heat into useful work for example, a steam engine or a car engine. Real heat engines are complex and there are many ways of converting heat energy into useful work. We can abstract and generalise the workings of any heat engine into three parts:

Explanation:

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Can someone help me explain Nvm scheduling in operating systems?

Answers

Low-power and short-latency memory access is critical to the performance of chip multiprocessor (CMP) system devices, especially to bridge the performance gap between memory and CPU

Without proper synchronization, which is possible, a deadlock, corrupted data, neither or both? Give reasons for your answer.
need answer pls​

Answers

Without proper synchronization, corrupted data is possible due to the fact that a shared datum can be accessible by multiple processes.

Data synchronization simply means the idea of keeping multiple copies of dataset in coherence with one another in order to maintain data integrity. It's the process of having the same data in two or more locations.

Without proper synchronization, corrupted data is possible because a shared datum could be accessed by multiple processes without mutual exclusive access.

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identify another natural cyclic event, other than phases and eclipses, that is caused by the moon's gravitational pull on earth

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Answer:

TEKS Navigation

Earth Rotation.

Moon Phases.

Tides.

Cyclical events happen in a particular order, one following the other, and are often repeated: Changes in the economy have followed a cyclical pattern. an example would be pamdemic and vircus it is belived that a new pamdemic starts every 100 years.

Explanation:

The rise and fall of ocean tides is the natural cyclic event caused by the moon's gravitational pull on earth

The gravitational pull of the moon's causes the two bulges of water on the Earth's oceans:

where ocean waters face the moon and the pull is strongestwhere ocean waters face away from the moon and the pull is weakest

In conclusion, the rise and fall of ocean tides is the natural cyclic event caused by the moon's gravitational pull on earth

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If you will choose among the multimedia mentioned, what will you use to promote this advocacy: Stop strand discrimination. We are all equal.

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The media that I would choose to promote the arrest of discrimination would be television, radio, newspaper, and social media.

When we want to transmit a message to many people, the most appropriate thing is to use mass media, that is, media that have a large coverage of people, such as:

TVRadioNewspapers

 

On the other hand, in recent years people can expose their ideas or disseminate information through social networks, because their messages can become a trend among people and have an even greater reach than conventional media.

Another positive aspect of social networks is that they reach a greater diversity of people with different characteristics such as:

ReligionPolitical positionSocioeconomic positionEducational levelAgeSexBirthplace

Therefore, to spread an anti-discrimination message the best option is to spread it through mass media such as television, radio, newspapers and social networks.

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11.23. Sort the words in a sentence Define a function called sorted_word_list, which takes a sentence (a string) as a parameter. Complete the function to make and return a list of the words in the sentence in sorted order.

Answers

The function to make and return a list of the words in the sentence in sorted order is as follows:

def sorted_word_list(x):

   sorted_characters = sorted(x)

   return list(sorted_characters)

print(sorted_word_list("string"))

The code is written in python .

We declared a function named  sorted_word_list with a parameter x. The parameter accept a string.

sorted_characters is a variable that stores the sorted strings.

Then we return a list of the sorted string using the return statement.

Finally, we call the function using the print statement.

The values that are bolded in the code are python keywords.

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Fill in the blank with the correct response.

_____is considered a reliable source of free and trial software.

Answers

Shareware hope that helps

Please help me !!!!!!!

Answers

Answer:

Explanation:

CTRL+F

To open the Find pane from the Edit View, press Ctrl+F, or click Home > Find. Find text by typing it in the Search the document for… box. Word Web App starts searching as soon as you start typing

Please describe how you can use the login page to get the server run two SQL statements. Try the attack to delete a record from the database, and describe your observation.

Answers

The only sure way to prevent SQL Injection attacks is input validation and parametrized queries including prepared statements. The application code should never use the input directly. ... Database errors can be used with SQL Injection to gain information about your database.

The major advantage of the Waterfall approach to software development is the _____. Group of answer choices high degree of management control high level of user interaction throughout the process rapid pace of product iterations informality of ongoing evaluation

Answers

A major advantage of the waterfall approach in software development life cycle (SDLC) to software development is the: A. high degree of management control.

What is software development life cycle (SDLC)?

Software development life cycle (SDLC) can be defined as a strategic process (methodology) that defines the key steps or stages that are for the creation and implementation of high quality software programs (applications).

The types of models in SDLC:

Generally, there are six (6) types of models in software development life cycle (SDLC) and these are:

Agile ModelV-Shaped ModelIterative ModelSpiral ModelBig Bang ModelWaterfall Model

What is a waterfall model?

In SDLC, a waterfall model refers to a process which involves the sequential breakdown of software development into linear stages (steps or phases). Thus, its development stages takes a downward flow like a waterfall and as such, each stage must be completed before starting another and without any overlap in the process.

In conclusion, a major advantage of the waterfall approach in software development life cycle (SDLC) to software development is the high degree of management control because its development stages and there isn't any room for overlap.

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Which invention made it possible to have an entire computer for a single circuit board

Answers

Answer:

ok lang                                                    

Explanation:

Partially-filled Arrays
Write the function rindby() which stands for remove mark>if not divisiby by. The function removes all elements from the array that are not evenly divisible by the argument n. You can find out if a number is evenly divisible by n using the remainder operator: % (there will be nothing left over).
The function returns the number of items removed or -1 if the array was originally empty.
The function takes 3 arguments:
the array of int that may be modified.
the size of the array (use size_t as the type)
the int n used to check for divisibility
Here are two short examples:
int a[] = {2, 3, 4, 5, 6};
size_t size = 5;
int removed = rindby(a, size, 2);
// removed->2, a = [2, 4, 6], size = 3
size = 0;
removed = rindby(a, size, 3);
// removed-> -1, no change otherwise
In the first case, the numbers 3 and 5 are removed because they are not divisible by 2. Only the numbers that are divisible by 2 are left in the array.
In the second, size has been set to , so the input array is empty and the function returns - 1.
Exam C++ Quick Reference
p1.cpp
1 #include // size_t for sizes and indexes
2 using namespace std;
3
4 ////////////////WRITE YOUR FUNCTION BELOW THIS LINE ///////////////
5 int rindby(int all, size_t& size, int number)
6 {
7 int result;
8 // Add your code here
9 return result;
10 }
11

Answers

Answer:

um

Explanation:

Which two are computing devices? (Choose two)
A. Unix
B. Laptop
C. Server
D. Mac OS

Answers

Answer:

ANS is no.B and no. C

hope it helps

How has technology has impacted Ghana​

Answers

Answer:

there are many ways that technology has impacted Ghana.

1. The republic of Ghana have been making some plans that can help with economic growth in the last decade.

2. Ghana has a higher productivity rate than the neighboring nations.

3. The republic of Ghana made a shift onto incentive-driven economic policies, so that way it could help improve leadership.

Write a function named parts that will take in as parameters the dimensions of the box (length, width, and height) and the radius of the hole, and returns the volume of material remaining. Assume the hole has been drilled along the height direction. Note: first write the function assuming the hole has radius less than min(length/2, width/2). For full credit, you will need to account for larger radii (bigger than half the length or width of the box).

Answers

The function in Python where comments are used to explain each line is as follows:

#This defines the parts() function

def parts(length, width, height, radius):

   #This calculates the volume of the box

   VBox = length * width * height

   #This calculates the volume of the hole

   VHole = 3.142 * radius ** 2 * height

   #This calculates the remaining volume

   Volume =  VBox - VHole

   #This returns the volume of the remaining material

   return Volume

The above program is a sequential program, and it does not require loops, iterations and conditions.

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.tag is used to draw a horizontal line

Answers

Answer:

<hr>  tag.

Explanation:

<hr> tag makes a line along the webpage :)

What is a storage device? Give one example of Primary magnetic storage, Primary optical storage and Portable storage.

Answers

Answer:

fácil solo ve a tu almacenamiento y aprende

Primary optical storage

What are two drawbacks of using netbook ? (Choose two)
A. Portability
B. Screen size
C. Boot up time
D. Storage capacity

Answers

Answer:

D and C

Explanation:

I would say D and C because they don't have fast processors they normally only use Celerons. and normally they only have a 64GB internal SSD.

It's definitley not a because they are extremely portable and have amazing battery life

I don't think its B because they have small screens but you can also get them in bigger 14" variants which is normally the generic size.

You arrive at your first client meeting with Jaba's Smoothie Hut. Jaba's owner, Kim, has asked you to install a Wi-Fi network for his customers. Kim has told you that the store needs the following:

Dedicated internet service with enough bandwidth to meet customer demand and run the store.
Be cost effective (Kim does not want the most expensive or the cheapest).
Customers will use Wi-Fi and the business will have 5 wired connections

Select the correct package for the Jaba's Smoothie Hut:

a. 20 Mbps service with 1 modem/Router, a 16 port switch, and 1 wireless access point
b. 100 Mbps service with 1 Modem/Router, a 24 port switch, 3 wireless access points (1 for office, 1 for retail, and 1 for outside)

Answers

The correct package which can be used to set up the Jaba's Smoothie Hut so that there would be dedicated internet service with enough bandwidth to meet customer demand and run the store is:

b. 100 Mbps service with 1 Modem/Router, a 24 port switch, 3 wireless access points (1 for office, 1 for retail, and 1 for outside)

According to the given question, we are asked to show the correct package which can be used to set up the Jaba's Smoothie Hut so that there would be dedicated internet service with enough bandwidth to meet customer demand and run the store

As a result of this, we can see that when using wireless networks (WiFi), there is a necessity to make use of a fast 100 Mbps service so that the connection would have sufficient bandwidth to meet the needs of the store and customers.

Therefore, the correct answer is Option B

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What does “The Principle of Least Privilege” mean as applied to security?

Answers

Answer:

The principle of least privilege (PoLP) refers to an information security concept in which a user is given the minimum levels of access – or permissions – needed to perform his/her job functions. ... Least privilege enforcement ensures the non-human tool has the requisite access needed – and nothing more.

Explanation: let me know if this helps!

Which one of the following is small and portable?
• Server
• Notebook
• Mainframe
• Desktop

Answers

Answer:

server is small and portable

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