what is computer?write feature of computer
Answers
Answer:
An electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program is computer.
And it's feature are:
Multitasking.Accurate & Speed.Efficient.Reliability.Recoverabilitywhat is a computer?.
a computer is a electronic device that works under the control of information stored in its memory.
features of a computer
multitasking.
Related Questions
What is the common term used to describe a single computer document?
A.Screenshot
B. Driver
C. File
D. Icon
Answers
1byte= ________ bits
1 nibble= __________ bits
1 MB= _________ bits
1PB= ____________ TB
1 ZB= ___________ EB
Answers
Explanation:
1 byte=8bits
1 nibble = 4bits
1MB= 8000000bits
1PB= 1000TB
1ZB= 1000000000000EB
Which of these criteria would be important to consider when choosing aprogramming language?1.The gameplay of the game.2.The color scheme of the game.3.Whether the game is aimed at themobile or web market.4.Whether the game is played on WiFior cellular data.
Answers
When choosing a programming language, some important criteria to consider are 3. whether the game is aimed at the mobile or web market and 4. whether the game is played on WiFi or cellular data.
Programming is a language that a computer can understand. Writing code, developing algorithms, and integrating software are all parts of programming. It's crucial to choose the best programming language for any specific project. There are numerous programming languages available, each with its own set of advantages and disadvantages. Some popular programming languages are Java, Python, and C++.Importance to consider when choosing a programming language.
There are several criteria to consider when selecting a programming language, some of which are listed below:
Project needs: It is critical to choose a language that suits the project's specific needs. Some languages are better suited for certain types of projects than others, such as data processing, web applications, or gaming. Support and community: when selecting a programming language, it's critical to consider the language's support and community. Developers should be able to get help from the language's documentation and forums. They may also seek help from fellow developers.Language popularity: Choosing a popular language may provide several advantages, such as community support, documentation, and tutorials. It's also worth noting that some languages have a more significant talent pool than others.
To sum up, the criteria that would be important to consider when choosing a programming language are 3. whether the game is aimed at the mobile or web market and 4. whether the game is played on WiFi or cellular data.
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computer network reduces expenses of an office justify this statement
Answers
Answer:
Computer Network reduces expenses of an office. Justify this statement with an example. Computer Networks can allow businesses to reduce expenses and improve efficiency by sharing data and common equipment, such as printers, among many different computers.Explanation:
g Give a thorough, reasoned explanation of the difference between verification and validation testing. Why is it important to perform both forms of testing
Answers
Verification testing ensures the software is built correctly, while validation testing ensures it meets user needs; both are important to ensure software quality.
How do verification and validation differ and why are they important in testing?Verification and validation testing are two distinct processes in software testing that serve different purposes. Verification testing aims to ensure that a product or system meets specified requirements and adheres to design specifications.
On the other hand, validation testing is focused on evaluating whether the product or system satisfies the user's needs and intended use.
Verification testing involves activities such as reviews, inspections, and static analysis to check for consistency, completeness, and correctness of the software design and implementation. It confirms that the software has been built correctly according to the predefined requirements and specifications.
Validation testing, on the other hand, involves dynamic testing techniques such as functional testing, system testing, and user acceptance testing. It assesses the software's behavior and performance in real-world scenarios, verifying that it meets the user's expectations and performs as intended.
Performing both verification and validation testing is crucial for ensuring overall software quality. Verification helps in preventing and detecting defects early in the development process, reducing the risk of introducing errors.
Validation ensures that the software meets the end-user requirements and functions correctly in real-world conditions, enhancing customer satisfaction and usability.
By performing both forms of testing, organizations can achieve a comprehensive evaluation of their software, minimizing the chances of defects or failures, improving reliability, and increasing confidence in the product's performance and suitability for its intended use.
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___ is the process of discovering useful knowledge from a collection of data.
BIG
DATA
THE 3 V’S
KDD
Answers
Based on what you know about the Sort and Find functions, return to the database file to determine the answers to the following questions.
In which year did most people update their contact information?
1988
2010
2011
2012
Answers
Answer:
2010
Explanation:
Most of the people updated their information in the database in the year 2010. The database files have different functions which enable the sorting of data according to the contact information with year wise filter.
Answer:
It’s 2012
Explanation:
A month ago, Amelia used a long-awaited check to make online purchases for gardening supplies. Now she sees advertisements for similar garden supplies on every website she visits. What is the MOST likely reason these ads are appearing?
A.
Amelia specified on her browser preferences to see only ads related to garden supplies.
B.
Marketers tracked Amelia as she visited various websites to help guide their ad placements.
C.
There is no real basis for these ads to appear, though that doesn’t lessen Amelia’s sense of being tracked.
D.
Amelia's computer has enough artificial intelligence to predict what she will likely purchase.
Answers
The likely reason these ads are appearing as Amelia's computer has enough artificial intelligence to predict what she will likely purchase. Thus the correct option is D.
What is an advertisement?An advertisement has referred a tool of promotion which helps in creating awareness as well as education prospect audiences that a new product is launched or modification in existing products in order to persuade the to buy.
The internet or social media site you are visiting may receive delivery confirmation from the computer or search engine you are using, which is the most likely cause of the problem. It is possible to evaluate a customer's purchasing habits by collecting user data.
Therefore, option D is appropriate.
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What is a user data?
Answers
Answer: Any data the user creates or owns.
Explanation:
the user being the one on the otherside of the computer, usually a human.
but examples of user data are intalled programs, uploads, word documents created by user (computer user)
which of the following are the two types of groups found in windows server 2008? a) Distribution b) Security c) Accounts d) Machines
Answers
The two types of groups found in Windows Server 2008 are distribution groups and security groups.
Distribution groups are used for email distribution purposes and cannot be used to grant access permissions to resources. Security groups, on the other hand, are used to grant access permissions to resources such as files, folders, printers, and other network resources.
Security groups can also be used to assign permissions to user accounts and other security groups. It is important to note that security groups can contain both user accounts and other security groups, allowing for efficient management of access permissions. Overall, understanding the differences and uses of distribution and security groups is crucial for effective network administration in a Windows Server 2008 environment.
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Which file extension indicates the file is a Microsoft Word document?
.doc
.dot
.ppt
.txt
Answers
Answer:
DOC
Extension Format
doc Microsoft Word document before Word 2007
docm Microsoft Word macro-enabled document
docx Microsoft Word document
dot Microsoft Word template before Word 2007
Explanation:
What are some of the things people try to do on social media when they can use
it to hide behind or pretend they are someone they are not
Answers
Answer: catfishing
Explanation:
They hide behind a screen and pretend to be and look like someone they're not by putting up fake pictures etc.
what is the difference between MAC address and IP address?
Thanks in advance
Answers
Answer:
MAC Address ensure that physical address of the computer is unique.
IP Address is a logical address of the computer and is used to uniquely locate computer connected via a network.
a threat actor discovers that all of the higher-level executives of your company play golf at the same country club. the threat actor places malware on the country club's server so that the malware is installed on the computer of everyone who visits the club's website. what kind of attack is this? a. watering hole attack b. dumpster diving c. pharming d. typo squattin
Answers
This attack is known as Watering hole in which cybercriminal creates a similar, fraudulent website or adds malware in server computer.
What is a Watering hole attack?
A watering hole attack occurs when threat actors strike their targets where they congregate, whether in cybersecurity or the jungle. A watering hole in the wild is a natural depression of water where thirsty animals come to drink. They are easier prey for hunters like lions when their guard is down. In cybersecurity, it's a similar concept, except instead of big cats and gazelles, it's hackers stalking computer users on the internet.
How do watering hole attacks work?
A watering hole attack occurs when cyber criminals use skills such as hacking and social engineering to target individuals, groups, or organizations on a website they frequent. Alternatively, the attacker can direct the victim(s) to a website that they have created.
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g write the code that would support overload for the * operator that will allow scalar multiplication, i.e. a double times a point.
Answers
Answer:
Here is one possible way to implement overload for the * operator that will allow scalar multiplication:
struct Vec3 {
float x, y, z;
Vec3 operator*(float scalar) const {
return Vec3{x * scalar, y * scalar, z * scalar};
}
};
This code defines a Vec3 struct that represents a three-dimensional vector, and it overloads the * operator to perform scalar multiplication. The * operator takes a float value as its right-hand operand and returns a new Vec3 object that is the result of scaling the original vector by the given scalar value.
how to smooth out dark pixelated areas in photoshop
Answers
Answer:
1) On the left of the Photoshop workspace, click on a selection tool icon
2) Select the area of texture to be smoothed
3) Select the Gaussian Blur Filter
4) Adjust the amount of blur
5) Photoshop CS5 Smart Filter
For this assignment, you will select a digital media career that you would be interested in pursuing. You will need to do some research to identify the right career for you. Next, you will research and discover what kind of training you will need to land your dream job. Finally, you will find available jobs in your career and select a job that you would want. After doing some research and some thinking, you will:
Select a career that is right for you. Write at least 150 words describing the career and why you believe it would be a good fit for you. Keep in mind your interests and talents.
Research and learn about what training the career requires. After you research, write at least 150 words describing the training. You can include what types of course you would take. How long the training program is, and how much it might cost you.
Finally, you will find a job! Research available jobs in your career and select a job you would want. Provide a copy of the job posting. You can snapshot this, copy and paste it, or copy it word for word. Make sure you include where you found the job posted. You will include at least 75 words on why you selected this particular position. Some helpful sites for job hunting are Indeed, Dice, Career Builder, and Monster.
Answers
A digital media career involves using technology to create and distribute various forms of digital content, such as video, audio, graphics, and multimedia. This can include roles such as graphic designers, web developers, social media specialists, digital marketers, and video producers.
How long the training program is, and how much it might cost you.To land a career in digital media, you will typically need a combination of technical skills and creativity, as well as a strong understanding of digital media platforms and technologies. Depending on the specific career path you choose, you may need to have skills in areas such as graphic design, web development, video editing, or social media management.
Training for a digital media career can vary depending on the specific path you choose, but often involves completing a degree or certificate program in a related field such as digital media, graphic design, or marketing. These programs can range in length from a few months to several years, and can cost anywhere from a few thousand dollars to tens of thousands of dollars.
Job opportunities in digital media can be found on job search sites such as Indeed, Dice, Career Builder, and Monster. One example of a job posting for a digital media position is:
Position: Social Media Specialist
Company: XYZ Digital Agency
Location: New York, NY
Job Type: Full-time
Responsibilities:Develop and execute social media strategies for client accounts
Create engaging social media content, including graphics and video
Monitor social media channels for trends and insights
Analyze social media metrics and adjust strategies as needed
Why I selected this particular position:
I am interested in pursuing a career in social media management, and this position seems like a good fit for my skills and interests. I am drawn to the opportunity to create engaging content and develop strategies to help clients achieve their social media goals. Additionally, the location and job type align with my preferences.
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Which features of Word are used to separate numbers and text into columns? Check all that apply.
ruler
Tab key
left tab
right tab
decimal tab
Answers
Answer:
ruler and decimal tab
Explanation:
The features of Word are used to separate numbers and text into columns are the ruler and the decimal tab.
In order to split text into columns, the following processes are required:
The user has to open the document.Then, one will select the page layout tab.The user will click on columns command in the page setup group.Then, there is a list of options that's used in splitting the text into columns.Then, the user will select the desired option.In conclusion, the correct options are A and E.
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What causes electrical interference?
A. Radio frequencies
B. Mic placement
C. Multiple signal wave forms interacting
D. Crossed cables
Answers
Answer:Radio Frequencies
Explanation: This is because electrical interference is caused by another electric device.
What is a PivotTable?
Answers
Answer:
A PivotTable is a tool in a spreadsheet program, such as Microsoft Excel, that allows you to organize and summarize large amounts of data. PivotTables allow you to quickly create reports and view your data from different perspectives. You can use PivotTables to create calculations, compare data, and find trends and patterns. PivotTables are a useful tool for data analysis and can help you make better decisions based on your data.
Dining Philosophers problem in class uses a monitor. Implement the same solution (simulating monitors) using semaphores
monitor DiningPhilosophers
{
enum { THINKING; HUNGRY, EATING) state [5] ;
condition self [5];
void pickup (int i) {
state[i] = HUNGRY;
test(i); // Tests if chopsticks are available
if (state[i] != EATING) self[i].wait;
}
void putdown (int i) {
state[i] = THINKING;
// test left and right neighbors
test((i + 4) % 5);
test((i + 1) % 5);
}
void test (int i) {
// both chopsticks must be available
if ((state[(i + 4) % 5] != EATING) &&
(state[i] == HUNGRY) &&
(state[(i + 1) % 5] != EATING) ) {
state[i] = EATING ; // Gets chopsticks
self[i].signal () ;
}
}
initialization_code() {
for (int i = 0; i < 5; i++)
state[i] = THINKING;
}
}
Answers
Here's an implementation of the Dining Philosophers problem using semaphores instead of a monitor:
```python
from threading import Semaphore, Thread
THINKING = 0
HUNGRY = 1
EATING = 2
class DiningPhilosophers:
def __init__(self):
self.num_philosophers = 5
self.state = [THINKING] * self.num_philosophers
self.mutex = Semaphore(1)
self.s = [Semaphore(0) for _ in range(self.num_philosophers)]
def pickup(self, philosopher):
self.mutex.acquire()
self.state[philosopher] = HUNGRY
self.test(philosopher)
self.mutex.release()
self.s[philosopher].acquire()
def putdown(self, philosopher):
self.mutex.acquire()
self.state[philosopher] = THINKING
self.test((philosopher + 4) % self.num_philosophers)
self.test((philosopher + 1) % self.num_philosophers)
self.mutex.release()
def test(self, philosopher):
left_philosopher = (philosopher + 4) % self.num_philosophers
right_philosopher = (philosopher + 1) % self.num_philosophers
if (
self.state[left_philosopher] != EATING
and self.state[philosopher] == HUNGRY
and self.state[right_philosopher] != EATING
):
self.state[philosopher] = EATING
self.s[philosopher].release()
def philosopher_thread(philosopher, dining):
while True:
# Philosopher is thinking
print(f"Philosopher {philosopher} is thinking")
# Sleep for some time
dining.pickup(philosopher)
# Philosopher is eating
print(f"Philosopher {philosopher} is eating")
# Sleep for some time
dining.putdown(philosopher)
if __name__ == "__main__":
dining = DiningPhilosophers()
philosophers = []
for i in range(5):
philosopher = Thread(target=philosopher_thread, args=(i, dining))
philosopher.start()
philosophers.append(philosopher)
for philosopher in philosophers:
philosopher.join()
```
In this solution, we use semaphores to control the synchronization between the philosophers. We have two types of semaphores: `mutex` and `s`. The `mutex` semaphore is used to protect the critical sections of the code where the state of the philosophers is being modified. The `s` semaphore is an array of semaphores, one for each philosopher, which is used to signal and wait for a philosopher to pick up and put down their chopsticks.
When a philosopher wants to eat, they acquire the `mutex` semaphore to ensure exclusive access to the state array. Then, they update their own state to `HUNGRY` and call the `test` function to check if the chopsticks on their left and right are available. If so, they change their state to `EATING` and release the `s` semaphore, allowing themselves to start eating. Otherwise, they release the `mutex` semaphore and wait by calling `acquire` on their `s` semaphore.
When a philosopher finishes eating, they again acquire the `mutex` semaphore to update their state to `THINKING`. Then, they call the `test` function for their left and right neighbors to check if they can start eating. After that, they release the `mutex` semaphore.
This solution successfully addresses the dining Philosophers problem using semaphores. By using semaphores, we can control the access to the shared resources (chopsticks) and ensure that the philosophers can eat without causing deadlocks or starvation. The `test` function checks for the availability of both chopsticks before allowing a philosopher to start eating, preventing situations where neighboring philosophers might be holding only one chopstick. Overall, this implementation demonstrates a practical use of semaphores to solve synchronization problems in concurrent programming.
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Review the HTML code below.
My Web Page
Hello Friend!
Make it a great day!
Smile
Laugh
Celebrate
Which of the text below would display in the page title, based upon the HTML code above?
Smile
My Web Page
Make it a great day!
Hello Friend!
Answers
My Web Page would display in the page title, based upon the HTML code above.
What is the HTML code?For pages intended to be viewed in a web browser, the HyperText Markup Language, or HTML, is the accepted markup language. Cascading Style Sheets and JavaScript are technologies and scripting languages that can help.A web page's structure and content are organised using HTML (HyperText Markup Language) coding. The organisation of the material, for instance, might take the form of a series of paragraphs, a list of bulleted points, or the use of graphics and data tables.In HTML, four tags are necessary. HTML stands for "title," "head," and "body." These tags go at the start and end of an HTML document.Learn more about HTML refer to :
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Scientists have suggested two different mechanisms for the same reaction. The elementary steps for each suggestion are shown below: Proposal 1) Proposal 2) (1) 2 A™C (2) C+D > A+B (1) 2 A + E + A2 (2) A2 +D → A+B+E A) What is the overall balanced equation for this reaction? B) What is (are) the intermediate(s) in this reaction? Proposal 1) Proposal 2) C) What is the predicted rate law for proposal 1, elementary step 1? D) What is the predicted rate law for proposal 1, elementary step 2? E) What is the predicted rate law for proposal 2, elementary step 1? F) What is the predicted rate law for proposal 2, elementary step 2? G) If the observed rate law for this reaction was found to be Rate = k [A]2, which proposal is correct and which step is the slow step?
Answers
A) Overall balanced equation: 2A + E + A2 + D → 2A + B + E
B) Intermediates: Proposal 1: C, Proposal 2: A2 and E
C) Predicted rate law for Proposal 1, elementary step 1: Rate = k [A]^2
D) Predicted rate law for Proposal 1, elementary step 2: Rate = k [C] [D]
E) Predicted rate law for Proposal 2, elementary step 1: Rate = k [A]^2 [A2]
F) Predicted rate law for Proposal 2, elementary step 2: Rate = k [A2] [D]
G) If the observed rate law is Rate = k [A]^2, Proposal 1 is correct, and the slow step is Proposal 1, elementary step 1: 2A → C.
A) The overall balanced equation for the reaction can be obtained by combining the elementary steps from Proposal 1 and Proposal 2:
Proposal 1:
(1) 2A → C
(2) C + D → A + B
Proposal 2:
(1) 2A + E + A2
(2) A2 + D → A + B + E
Combining these steps, we get the overall balanced equation:
2A + E + A2 + D → 2A + B + E
B) The intermediates in this reaction are the species that are formed and consumed during the reaction but are not present in the overall balanced equation. In Proposal 1, the intermediate is C, and in Proposal 2, the intermediates are A2 and E.
C) The predicted rate law for Proposal 1, elementary step 1 (2A → C), can be determined based on the stoichiometry of the reaction. Since 2 moles of A are consumed to form 1 mole of C, the rate law for this step can be expressed as:
Rate = k [A]^2
D) The predicted rate law for Proposal 1, elementary step 2 (C + D → A + B), can be determined based on the stoichiometry of the reaction. Since 1 mole of C and 1 mole of D are consumed to form 1 mole of A and 1 mole of B, the rate law for this step can be expressed as:
Rate = k [C] [D]
E) The predicted rate law for Proposal 2, elementary step 1 (2A + E + A2), can be determined based on the stoichiometry of the reaction. Since 2 moles of A and 1 mole of A2 are consumed in this step, the rate law can be expressed as:
Rate = k [A]^2 [A2]
F) The predicted rate law for Proposal 2, elementary step 2 (A2 + D → A + B + E), can be determined based on the stoichiometry of the reaction. Since 1 mole of A2 and 1 mole of D are consumed to form 1 mole of A, 1 mole of B, and 1 mole of E, the rate law can be expressed as:
Rate = k [A2] [D]
G) If the observed rate law for this reaction is Rate = k [A]^2, it matches the predicted rate law for Proposal 1, elementary step 1. Therefore, Proposal 1 is correct, and the slow step of the reaction is Proposal 1, elementary step 1: 2A → C
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PLEASE HELP I DONT HAVE TME
Answers
9514 1404 393
Answer:
(d)
Explanation:
The cell reference to pi in D3 must be absolute ($D$3), and the value of the radius in A2 must be cubed (A2^3). The product of these must be multipied by 4/3. The only choice with these correct is the last choice.
What words are familiar to people involved with computers? printer network, mouse and monitor screen software
Answers
The words that are familiar to people involved with computers are network, mouse and monitor screen.
What is a computer?A computer simply refers to an electronic device that is designed and developed to receive data in its raw form as an input and processes these data into an output (information), which could be used by an end user to perform a specific task through the use of the following:
KeyboardNetworkMonitor screenMouseIn Computer technology, we can logically infer that network, mouse and monitor screen are the words that are familiar to people involved with computers.
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Answer:
B
Explanation:
network, mouse and monitor
HELP
AUDIO AND VIDEO
Which camera setting does this statement describe? The __________ of the camera determines the brightness or darkness of an image
Answers
Answer:
Aperture
Explanation:
The Aperture of the camera determines the brightness or darkness of an image
The _____________________ search is a very simple algorithm. Sometimes called the ________________________ search, it compares each element with the value being searched for, and stops when either the value is found or the end of the array is encountered. Group of answer choices
Answers
Answer:
linear search
sequential
Explanation:
Choose which type of translator you would use to develop a program written in a high-level programming language. Give three reasons to support your choice.
Answers
Answer:
Compilers
Explanation:
A compiler takes the source code as a whole and translates it into object code all in one go. Once converted, the object code can be run unassisted at any time. This process is called compilation.
Compilers have several advantages:
-Compiled programs run quickly, since they have already been translated.
-A compiled program can be supplied as an executable file. An executable file is a file that is ready to run. Since an executable file cannot be easily modified, programmers prefer to supply executables rather than source code.
-Compilers optimise code. Optimised code can run quicker and take up less memory space
hope this helped :D
The type of translator that you would use to develop a program written in a high-level programming language is known as Compiler.
What is a high-level programming language?The high-level programming language may be defined as a significant abstraction from the details of computer operation. It is designed to be easily understood by humans and for this reason, they must be translated by another software
A compiler significantly accepts the source code as a whole and successfully translates it into object code all in one go through the process of compilation. Compilers have several advantages. Some of them are as follows:
It compiled programs that run because they are already being successfully translated.A compiled program can be directly interpreted as an executable file that typically executes all essential and necessary functions.These compilers optimize code which improves performance, Reduced system load, protection for source code and programs, and improves productivity and quality.Therefore, the type of translator that you would use to develop a program written in a high-level programming language is known as Compiler.
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Advantages of a computer
Answers
Answer:
It eases work.
It is deligent.
It is versatile.
MIPS implementations tend to have numerous structural hazards.
True
False
Answers
True, MIPS implementations tend to have numerous structural hazards. This is because MIPS is a Reduced Instruction Set Computer (RISC) architecture that focuses on simplicity and efficiency, which can sometimes lead to these hazards in its execution pipeline.
MIPS (Microprocessor without Interlocked Pipeline Stages) is a type of reduced instruction set computing (RISC) architecture developed by MIPS Technologies, Inc. in the 1980s. The MIPS architecture is used in a variety of applications, from embedded systems to supercomputers.
The MIPS instruction set consists of a small number of basic instructions that can be combined to form more complex operations. This simplicity of the instruction set allows for faster execution and higher performance compared to complex instruction set computing (CISC) architectures. The MIPS architecture is also known for its efficient use of memory and pipelining techniques.
The MIPS architecture is a load/store architecture, which means that data must be loaded into registers before being operated on, and the results must be stored back into memory after the operation is complete. This allows for faster processing and more efficient use of memory.
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