Write a note on scanning devices.

Answers

Answer 1

A scanner is a device that captures images from photographic prints, posters, magazine pages and similar sources for computer editing and display. Scanners work by converting the image on the document into digital information that can be stored on a computer through optical character recognition (OCR).


Related Questions

Which device is not considered a computer?

a smartphone
an analog controller

Answers

Answer:

An analog controller is not considered a computer because you just move around the controls. You don't stare at a screen like a smartphone, so it is not a computer.

Explanation:

Know the tags to be used for each style or format.​

Answers

Answer:

1. Bold                           <b                    /b>

2. Strong                      <strong    /strong>

3. Italic                          < i              /i >

4. Emphasized             <em           /em>

5. Superscript              <sup         /sup>

6. Subscript                 <sub        /sub>

Explanation:

are all counting and calculations done in the system unit

Answers

The ALU (Arithmetic Logic Unit), located in the system unit, is the component of the computer utilized for calculations and comparisons.

Describe ALU.

Arithmetic-logic unit (ALU) definition Arithmetic and logic operations are performed on the operands in computing instruction words by an arithmetic-logic unit, a component of a central processing unit. Some processors separate the ALU into an arithmetic logic unit (AU) and an arithmetic logic (LU).

What are the primary purposes of an ALU?

Simple multiplication, division, addition, subtraction, addition, and logic operations like OR and AND are all performed by the ALU. The data and instructions for the program are stored in memory. Data and instructions are retrieved by the control unit from memory.

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COPPA regulates personal information that companies can use. Which users does this law protect?

Answers

COPPA is required by law to protect children under the age of 13 years, from having their personal information used by companies.

What is a PII?

PII is an abbreviation for personally identifiable information and it can be defined as any type of information that can be used by individuals or companies on its own or with other relevant data, so as to identify an individual.

In the United States of America, Children's Online Privacy Protection Act (COPPA) is required by law to protect all American children who are under the age of 13 years, from having their personally identifiable information (PII) being used by business organizations (companies).

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Complete Question:

COPPA regulates personal information that companies can use. Which users does this law protect? COPPA protects children under the age of ________ from having their personal information used by companies.

how adobe photoshop can improve productivity of a organization

Answers

Adobe photoshop allows the process of editing an image to go by much quickly. Instead of taking days, it could take a few hours instead with adobe photoshop

Which of the following is the correct binary representation of the number 2?

Answers

Answer:

10 i think

Explanation:

Given numStack: 23, 26, 94 (top is 23)
What does Peek(numStack) return?

Answers

Using the knowledge in computational language in python it is possible to write a code that create a program that takes a string as an argument into its constructor.

Writting the code:

import java.util.*;

public class Expression

{

 Scanner in = new Scanner(System.in);

 Stack<Integer> stack = new Stack<Integer>();

 public boolean check()

 {

   System.out.println("Please enter your expression.");

   String newExp = in.next();

   String[] exp = new String[newExp];

   for (int i = 0; i < size; i++)

   {

     char ch = exp.charAt(i);

     if (ch == '(' || ch == '[' || ch == '{')

       stack.push(i);

     else if (ch == ')'|| ch == ']' || ch == '}')

     {

       //nothing to match with

       if(stack.isEmpty())

       {  

         return false;

       }

       else if(stack.pop() != ch)

       {

         return false;

       }

     }            

   }

   if (stack.isEmpty())

   {

     return true;

   }

   else

   {

     return false;

   }

 }

}

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if you want to assign a user the permission to create schema and run ALTER or any user, what role should you assign to that user?
A. dp_backupoperator
B. db_accessadmin
C. db_securityadmin
D. db_datawriter

Answers

As a database administrator, if you want to assign a user the permission to create schema and run ALTER or any user, the role should you assign to that user is "db_accessadmin" (Option B)

What does it mean to run ALTER?

In SQL, the ALTER command is used to modify a table, view, or the whole database. The ALTER command in SQL allows us to add, change, and delete constraints, columns, and indexes.

It is to be noted that SQL is a computer language developed for managing data in a relational database management system or for stream processing in a relational database management system.

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Boolean Algebra
Simplify AB'(D'+C'D)+B(A+A'CD) and show all work.

Answers

Answer: B details to simplify A'B(D' + C'D) + B(A + A'CD) start with ( D' +C'D) = (D' + C') likewise (A + A'CD) = (A + CD) This gives A'B(D' + C') + B(A + CD)= ...

4 answers

·

1 vote:

[math]A'B (D'+C'D) + B (A+ A'CD)[/math] [math]= A'B (D'+D)(D'+C') + B (A+ A')(

Explanation:

what are the activities usually performed in database operations

Answers

Answer:

The most frequently available operators include PROJECT, JOIN and SELECT. SQL includes DDL (Data Description Language)

Explanation:

||||
Attempts Remaining: 1
Entering a Formula
Insert a formula in cell G4 that finds the value of subtracting
F4 from E4

Answers

Answer:

Explanation:

Formula:

= E4 - F4

you have a 10vdg source available design a voltage divider ciruit that has 2 vdc , 5vdc , and 8 vdc available the total circuit current is to be 2mA

Answers

If you try to divide 10V in three voltages, the sum of the three voltages must be equal to the total voltage source, in this case 10V. Having said this, 2 + 5 + 8 = 15V, and your source is only 10V. So you can see is not feasible. You can, for example, have 2V, 5V and 3V, and the sum is equal to 10V. Before designing the circuit, i.e, choosing the resistors, you need to understand this. Otherwise, I suggest you to review the voltage divider theory.

For instance, see IMG2 in my previous post. If we were to design a single voltage divider for the 5VDC, i.e, 50% of the 10V source, you generally choose R1 = R2., and that would be the design equation.

The control lines in the bus connect the control unit to the CPU.

True
Or False

Answers

Answer:

true

Explanation:

The control bus contains a control line for writing instructions and a control line for reading instructions. When the CPU writes data to the main memory, it transmits a signal to the write command line. The CPU also sends a signal to the read command line when it needs to read.

Real estate management software

Answers

Answer:

nTireFM

Explanation:

is a comprehensive system for real estate vendors with unique and reliable needs. Real Estate Management Software simplifies your life as a real estate investor monitors the financial performance of each rental property

Distinguish between composition and inheritance.

Answers

Answer:

compotsition: The combining of distinct parts or elements to form a whole

Inheritance: The action of inheriting something

Explanation:

You have entered a URL into a browser and have received a 404 error. Which type of error did you receive?

Answers

Answer:

in redirect pages

Explanation:

the e page can not be down

Answer:

a 404 error is "File not found." This can happen when a file is deleted or there is an error in a hyperlink. It can also happen if a file is copied and the original deleted.

Explanation:

And one well written paragraph, explain how you can put raw data into excel and turn it into something useful that could be used in different Microsoft office applications.

Answers

The way that you can put raw data into excel and turn it into something useful that could be used in different Microsoft office applications are:

Open the Excel file into which the data is to be imported.Now, select the Data tab on the ribbon.Select  the Get Data option. Select From File > From Text/CSV.Through the use of the explorer, Select a CSV file. Lastly, Select the Load button.

What is excel about?

Excel is said to often used to save, analyze, a well as report on large volume of data.

Note that It is often used as a tool by accounting teams for the recording of financial analysis, as well as been used by professional to manage a list of and unwieldy form of datasets. Examples of Excel applications are balance sheets, budgets, etc.

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1. What's the minimum RAM requirements to install or upgrade to Windows 11?
1 GB for 32-bit or 2 GB for 64-bit
O4 GB
8 GB

Answers

Answer:

4 GB

Explanation:

You need 4 gigabytes (GB) or greater. Storage: 64 GB* or greater available storage is required to install Windows 11. Extra storage space might be required to download updates and enable specific features. According to Windows 11 system requirements, my 4 GB ram is enough to upgrade my pc from windows 10 to windows 11.

A student wants to create an Android Application to help a motorist to approximate the cost of a journey

by road. The app should enable the user to enter the length of the journey in Kilometres, the amount fuel

that the vehicle uses per kilometre and the cost of fuel per litre. The app should then calculate the total

amount that will be spent on fuel for the journey.

Sketch the interface for the activity that can be used for this task. (5 marks)

b) Declare and initialize all the widgets (views) that you can use for this task. Assume your own ids.

(5 marks)

c) Write the program to calculate the cost of the journey.

Answers

Answer:

Explanation: How to calculate fuel economy and usage

Manufacturers give a fuel economy figure for new cars in litres per 100km for urban, extra urban (i.e. higher speeds) and combined (a mixture of the two). This number is determined via a standardised test which, unfortunately, bears very little resemblance to the type of driving the vast majority of people do. If a vehicle you are looking at purchasing has an indicated fuel economy of 8l/100km, everyday driving is probably more likely to be around 10l/100km (this is my experience, after driving and reviewing over 400 cars since 2007).

However, the manufacturer-supplied figures are good for comparing between models, just not calculating what your expected fuel costs will be.

The programmer wants to change this code so that a third background image appears when the player presses the “B” button. What does the programmer need to do?

Answers

Answer:

i think its B but im not sure

Explanation:

A computer chip is
an example of hardware or software?

Answers

Answer: A system on a chip consists of both the hardware, described in § Structure, and the software controlling the microcontroller, microprocessor or digital signal processor cores, peripherals and interfaces.

i think it’s hardware

For questions 1-3, consider the following code:



x = int(input("Enter a number: "))




if x != 7:

print("A")




if x >= 10:

print("B")




if x < 10:

print("C")




if x % 2 == 0:

print("D")


What is output if the user types in 10? Click all that apply.

Group of answer choices

D

A

C

B

Answers

Answer:

B

Explanation:

because 10 ranges between the x>=10

The programming team knows they need to create a program that will use a linear data structure to complete large amounts of data manipulation very
quickly. Which data structure is most appropriate? (1 point)
O array list
O graphs
O linked list
O maps

Answers

The programming team knows they need to create a program that will use a linear data structure to complete large amounts of data manipulation very quickly. Given the above scenario, the data structure is most appropriate is: "Linked Lists" (Option C)

What are linked lists?

It is to be noted that a linked list is a linear collection of data pieces whose order is determined by their physical placement in memory. Instead, each piece refers to the one before it.

It is a data structure made up of a collection of nodes that represent a sequence.

Linked lists are linear data structures that store information in separate objects known as nodes. These nodes include data as well as a reference to the next node in the list. Because of their ease of insertion and deletion, linked lists are often utilized.

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where does an argument in a function go?

Answers

Answer:

Arguments are specified afterwards the operate name,inside the parentheses . you may add as many arguments as you want,just divide them with a comma .

Explanation:

Errors can be syntax errors or logic errors (the code works, but not as intended). In the Guess My Number game, there is a lower limit and an upper limit for the range of possible numbers to guess. If the lower limit were exclusive and the upper limit inclusive, which expression would properly generate values for the secret number?

(int)(Math.random() * (upper − lower + 1) ) + lower
(int)(Math.random() * (upper − lower) ) + lower + 1
(int)(Math.random() * (upper − lower + 1) ) + lower - 1

Answers

Errors can be syntax errors or logic errors (the code works, but not as intended) is option A: (int)(Math.random() * (upper − lower) ) + lower

What is  the syntax errors about?

The phrase that would correctly provide results for the secret number if the lower limit were inclusive and the upper limit exclusive is Option A

Note that we cannot increase the lower limit by one because it is INCLUSIVE. Additionally, the Math.random() function returns a result between [0,1[ that satisfies our requirements (meaning the 0 is included, but not the 1).

Therefore, We'll be flawless if the (int) caster returns only the integer component after rounding down the result.

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Facial recognition software is useful for identifying a suspect in a crime because human features are ________.

all the same

unique to an individual

hard for a human to identify

difficult for computers to examine

Answers

Answer:

Its (B) unique to an individual

Explanation:

Got it right on my quiz.

1. What operating system are you using on your computer?

Answers

Answer:

Windows

Explanation:

Flexible and convenient

Can someone help me with this worksheet?

Answers

Answer:

Here are the answers

Explanation:

When collecting and sharing information, the company must meet all _________________________ for the type of data being collected.
A US laws
B State Laws
C Federal Laws
D Federal or State Laws

Answers

Answer: D Federal and State Laws

Explanation: U.S. Privacy Act of 1974-this act established rules and regulations regarding U.S. government agencies collection, use, and disclosure of personal information.

The Federal Trade Commission govern the collection, use, and disclosure of personal data.

HIPPA- Health Insurance Portability and Accountability provide healthcare and health insurance protection

Answer: D

Explanation:

Why does internet privacy matter?

Answers

Answer:

Internet privacy is important because of the abundant amount of scammers, hackers, and others who want to exploit your information. It is also important to protect your personal information and browsing history, since these can be manipulated in many different ways.

Explanation:

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