create a view called IBM_InvoiceData that will retrieve columns and rows from the Invoices table for the vendor named IBM.

Answers

Answer 1
Here is an example of a SQL query that can be used to create a view called IBM_InvoiceData that will retrieve columns and rows from the Invoices table for the vendor named IBM:

CREATE VIEW IBM_InvoiceData AS
SELECT * FROM Invoices
WHERE VendorName = 'IBM';

This query creates a view that selects all columns (*) from the Invoices table where the VendorName column is equal to 'IBM'. The view can then be used in subsequent queries to access the invoice data for the vendor named IBM without having to specify the vendor name in each query. For example, the following query can be used to retrieve the total amount of invoices for IBM:

SELECT SUM(InvoiceAmount) AS TotalInvoices FROM IBM_InvoiceData;

This query uses the IBM_InvoiceData view to select the sum of the InvoiceAmount column, and assigns the result to a column named TotalInvoices. The resulting query would return a single row with the total amount of invoices for IBM.

Related Questions

In ……………cell reference, the reference of a cell does not change. ​

Answers

Answer:

In absolute cell reference, the reference of a cell does not change. 

You just started your new position at a small doctor’s office. A nurse asks you to print out a report for a patient. The patient’s name is Tim Drake, but you find multiple files with that name. You discover that the files are named differently. Looking at the files for Mr. Drake, you find the following files:

01_DrakeTim

DrakeTim_A

TimDrake001

timdrake

2. Initial Post: Create a new thread and answer all three parts of the initial prompt below

What methods could you use to help you find the files you need?

Why is choosing a descriptive or detailed name for your files a useful practice?

What recommendations might you make to the office manager to better organize the office files?

Answers

To find the files for Tim Drake, who has multiple files with different naming conventions, you can use the following methods:

Search Function: Utilize the search function in the file management system or operating system. Enter the name "Tim Drake" or a variation of it to locate the relevant files. The search function will scan file names and contents, making it easier to find the specific files you need.

Sorting: Sort the files by name, date modified, or any other relevant criteria. This can help group similar files together and make it easier to identify the correct ones. For example, sorting the files alphabetically will cluster the files with similar names closer to each other.

File Metadata: Check the metadata or properties of the files. Some file systems allow you to add tags or keywords to files, making it easier to search for them based on specific attributes. Ensure that the files are properly tagged with relevant information like patient names, dates, or other identifying details.

Choosing descriptive or detailed names for files is a useful practice for several reasons:

Easy Identification: A descriptive file name provides clear information about the content or purpose of the file. When you or others need to locate a specific file, a well-named file can be easily identified among many others. It reduces confusion and saves time.

Organization: Descriptive file names help in organizing files within a system. By using meaningful names, files can be grouped or sorted based on their purpose, type, or relevance. This enhances overall file management and facilitates efficient retrieval of information.

Clarity and Consistency: A consistent naming convention ensures uniformity and clarity across files. It helps maintain a standardized structure and allows for easy understanding of file names by all users. This consistency improves collaboration and reduces errors.

To better organize the office files, the following recommendations can be made to the office manager:

Implement a File Naming Convention: Establish a standardized naming convention for files that includes relevant details such as patient names, dates, and file types. Ensure that all staff members adhere to this convention when creating or saving files. This will promote consistency and ease of file retrieval.

Folder Structure: Create a well-structured folder hierarchy based on categories, such as patient names, departments, or file types. This arrangement should be intuitive and reflect the needs of the office. Maintain consistency throughout the folder structure to facilitate easy navigation and organization of files.

Document Management System: Consider implementing a document management system (DMS) or electronic health record (EHR) system to centralize and streamline file management. These systems offer features like robust search capabilities, metadata tagging, version control, and secure access controls. They can greatly improve file organization and retrieval efficiency.

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A class-scope variable hidden by a block-scope variable can be accessed by preceding the variable name with the class name followed by:
1. ::
2. :
3. .
4. ->

Answers

The class name followed by:: can be used to access a class-scope variable that is hidden by a block-scope variable.

What is meant by class scope variable ?

A variable's scope can be categorized into one of three categories: 1) Class level scope (instance variables): All methods in a class have access to any variable declared within that class. It may occasionally be accessed outside the class depending on its access modifier (public or private).

The namespace where a class is declared is its scope. The class is global if it is declared in the global namespace. Every translation unit that makes use of ODR must specify the class.

Variables in Java are only used within the region in which they were created. Scope is what this is.

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Python

A video club wants to reward its best members with a discount based on the member’s number of
movie rentals and the number of new members referred by the member. The discount is in percent
and is equal to the sum of the rentals and the referrals, but it cannot exceed 75 percent. Write a
program to calculate the value of the discount and display it in percent considering two digits after
the decimal point. Hint: use min() function.

Here is a sample run:

Enter the number of movie rentals: 56
Enter the number of members referred to the video club: 3
The discount is equal to: 59.00 %


Note 1: the code should display five spaces between the colon (:) and the first digit of the discount
(use formatted output tools).
Note 2: Do not use if-else statements.

Answers

Using the knowledge in computational language in python it is possible to write a code that calculate the value of the discount and display it in percent considering two digits after the decimal point.

Writting the code:

The program will receive two inputs from the user, then it will generate two other numbers one is the sum of the inputs and the other is equal to 75, after that it will check if the sum of the inputs is greater than 75 and print the result to the user.

#Read movie rentals and movies which have been reffered

a=int(input("Enter the number of Movie rentals "))

b= int(input("Enter the number of Movie rentals reffered to video club"))

c=a+b

d=75

#check if Discount is gretarer than 75

if(c>=75):

print("The discount is equal to "+str(d )+ str("%"))

else:

print("The discount is equal to "+str(c)+ str("%" ))

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Python A video club wants to reward its best members with a discount based on the members number of movie

which optical storage media has greatest storage capacity?​

Answers

A Blu-ray Disc has the greatest storage capacity.

The optical storage media has greatest storage capacity is Single-layer, single-sided Blu-ray disc.

What is the  Blu-ray disc.

A Blu-ray disc can store the most information compared to other types of optical discs. A one-sided Blu-ray disc can store around 25 GB of information.

Dual-layer or double-sided discs are discs that have two layers or two sides, which allows them to store more information. New Blu-ray discs with 20 layers can store up to 500 GB of data. Small DVDs can save about 4. 7 GB of data. A DVD that has two layers or can be played on both sides can store up to 8. 5 GB of data. If it is both dual-layer and double-sided, it can hold up to 17 GB of data.

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2. Task (Matlab) 3 points Using the simulation program MATLAB/Simulink, a baseband transmission shall be established and analysed (Fig. 2). n(t) gs (t) receive filter B = source O uq(t) Figure 2: Resultant baseband transmission system Transmit and receive filters are designed as square-root raised-cosine filters with a roll-off factor of r = 0.5. As modulation format, a two-level bipolar transmission (i. e. s = 2) is selected. The data transmission speed is 5000 bit/s. Task: gef (t)
a) Determine the bandwidth of the transmitted signal! Answer:
b) Determine the half vertical eye opening! Answer: PR = ... p= sampling (symbol clock) UA=...
c) Determine the noise power at the decision point for a given input-side signal-to-noise ratio (e. g. 10 log10 (Es/Vo) = 10 dB). Answer: (UA)² PR detector 2 BER= sink O â[k - ko] f
d) Determine the detection signal-to-noise ratio p = (UA)2/PR and the bit-error rate for two-level bipolar transmission in the AWGN channel. Select an appropriate input- side signal-to-noise ratio (e. g. 10 log10 (Es/Vo) = 10 dB)! Answer:​

Answers

a) The bandwidth of the transmitted signal, using a square-root raised-cosine filter with a roll-off factor r=0.5 and a bit rate of 5000 bits/s, can be calculated as (1+r) * BitRate/2 = 1.5 * 5000/2 = 3750 Hz.

What is the half-vertical eye-opening (EO)?

b) The half-vertical eye-opening (EO) is a measure of the signal quality and is typically calculated from the eye diagram.

c) For a given SNR (10 dB here), the noise power at the decision point can be determined using the formula Vo = Es / (10^(SNR/10)).

d) The detection signal-to-noise ratio and bit-error-rate (BER) can be determined using the formula for BER in an AWGN channel for binary transmission.

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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:

Which of the following allows hundreds of computers all to have their outbound traffic translated to a single IP?

Answers

Answer: NAT

Which of the following allows hundreds of computers all to have their outbound traffic translated to a single IP? One-to-many NAT allows multiple devices on a private network to share a single public IP address.

The following that allows for  hundreds of computers all to have their outbound traffic translated to a single IP is the One-to-many NAT.     Option C

How does One-to-many NAT works

One-to-many NAT allows hundreds of computers to have their outbound traffic translated to a single IP this is done by designating each computer to  a unique port number, that is used to identify the specific device within the the network address transition NAT, where all private network gain access to public network     .

The NAT device serves as translator, keeping track of the original source IP and port number in the translation table, translates the source IP address and port number of each outgoing packet to the single public IP address,  This allows for a possible multiple devices to share a single IP address for outbound connections.

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The complete question with the options

Which of the following allows hundreds of computers all to have their outbound traffic translated to a single IP?

a. Rewriting

b. Port forwarding

c. One-to-many NAT

d. Preservation

Drag the tiles to the correct boxes to complete the pairs.
Match each task to the type of control structure represents.
switch case
sequence
repetition
if else
assembling structure step by step
choosing between two subjects
selecting a color out of five colors
testing a product until free of bugs

Answers

Answer:

A structure choosing between two subjects - Switch case sequence

Selecting a color out of five colors - If else assembling

Testing a product until free of bugs - Repetition

Question 10 (5 points)
Which of the following represents the PC speed rating of a DDR4-1600 SDRAM
DIMM?
OPC4-12800
OPC4-6400
PC4-200
PC-200

Answers

Answer:

The PC speed rating of a DDR4-1600 SDRAM DIMM is PC4-12800.

Explanation:

various sources of ict legislation

Answers

Answer:

oh ma ma my here it is

Explanation:

Legislation of ICT The purpose of legislation is to control and regulate the use of ICT. Different acts in result in different benefits to the end user or other people affected by the technology. ... Legislation protects people and ensures that there is no abuse by others to those investing in the technology

Do you guys answer questions about cyber security?

Answers

Answer:

yes

Explanation:

let's hear your question first.

Changing the appearance of the text in your document, is to _________________ it.

Answers

Answer:

Format

Explanation:

I dont really know what the explanation would be but hope this helps.

Write a Python function that will accept as input three string values from a user. The method will return to the user a concatenation of the string values in reverse order. The function is to be called from the main method.

Answers

Answer:

Following are the program in python language

def cat_rev(x,y,z): # function definition  

   x=x[::-1]# reverse the first string  

   y=y[::-1]# reverse the second string  

   z=z[::-1]# reverse the third string  

   z=x+y+z;  #concat the string

   return(z)#return the string

   #main method

s=input("Enter the first string:") #read the first string

r=input("Enter the second string:")#Read the second string  

t=input("Enter the third string:")#Read the third string by user

rev1= cat_rev(s,r ,t ) #function calling

print(rev1)# display reverse string

Output:

Enter the first string:san

Enter the second string:ran

Enter the third string:tan

nasnarnat

Explanation:

Following are the description of program

In the main function we read the three value by the user in the "s", "r" and "t" variable respectively.After that call the function cat_rev() by pass the variable s,r and t variable in that function .Control moves to the function definition of the cat_rev() function .In this function we reverse the string one by one and concat the string by using + operator .Finally in the main function we print the reverse of the concat string   .

What is a word processing program? Give examples of word processing programs.

Answers

Answer:

A word processor, or word processing program, does exactly what the name implies. It processes words. It also processes paragraphs, pages, and entire papers. Some examples of word processing programs include Microsoft Word, WordPerfect (Windows only), AppleWorks (Mac only), and OpenOffice.org.

Algorithm:

Suppose we have n jobs with priority p1,…,pn and duration d1,…,dn as well as n machines with capacities c1,…,cn.

We want to find a bijection between jobs and machines. Now, we consider a job inefficiently paired, if the capacity of the machine its paired with is lower than the duration of the job itself.

We want to build an algorithm that finds such a bijection such that the sum of the priorities of jobs that are inefficiently paired is minimized.

The algorithm should be O(nlogn)


My ideas so far:

1. Sort machines by capacity O(nlogn)
2. Sort jobs by priority O(nlogn)
3. Going through the stack of jobs one by one (highest priority first): Use binary search (O(logn)) to find the machine with smallest capacity bigger than the jobs duration (if there is one). If there is none, assign the lowest capacity machine, therefore pairing the job inefficiently.

Now my problem is what data structure I can use to delete the machine capacity from the ordered list of capacities in O(logn) while preserving the order of capacities.

Your help would be much appreciated!

Answers

To solve the problem efficiently, you can use a min-heap data structure to store the machine capacities.

Here's the algorithm:

Sort the jobs by priority in descending order using a comparison-based sorting algorithm, which takes O(nlogn) time.

Sort the machines by capacity in ascending order using a comparison-based sorting algorithm, which also takes O(nlogn) time.

Initialize an empty min-heap to store the machine capacities.

Iterate through the sorted jobs in descending order of priority:

Pop the smallest capacity machine from the min-heap.

If the machine's capacity is greater than or equal to the duration of the current job, pair the job with the machine.

Otherwise, pair the job with the machine having the lowest capacity, which results in an inefficient pairing.

Add the capacity of the inefficiently paired machine back to the min-heap.

Return the total sum of priorities for inefficiently paired jobs.

This algorithm has a time complexity of O(nlogn) since the sorting steps dominate the overall time complexity. The min-heap operations take O(logn) time, resulting in a concise and efficient solution.

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Which of the following best describes the safety of blogging

Answers

we need the options

Generally safe, but there may be some privacy and security concerns. Therefore option B is correct.

While blogging can offer a relatively safe platform for expressing ideas and connecting with an audience, it is not entirely risk-free.

Privacy and security concerns can arise, especially when bloggers share personal information or discuss sensitive topics.

Cybersecurity threats, such as hacking or data breaches, can also compromise a blogger's personal information or their readers' data.

Additionally, bloggers should be mindful of online harassment and potential legal issues related to content ownership or copyright infringement.

Being aware of these risks and implementing best practices for online safety can help ensure a more secure and enjoyable blogging experience.

Therefore option B is correct.

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Your question is incomplete, but most probably your full question was.

Which of the following best describes the safety of blogging?

A. Completely safe, with no risks involved.

B. Generally safe, but there may be some privacy and security concerns.

C. Moderately safe, but potential risks exist, especially with sensitive topics.

D. Highly unsafe, with significant risks to personal information and security.

the function of anOR gate can best be described as a gate which provides an output of 1 only when

Answers

Answer:

Following are the program to this question:

#include <iostream>//defining header file

using namespace std;

void OR_gate()//defining a method OR_gate

{

bool a,b;//defining bool vaiable

cin>>a>>b;//input value

if(a or b)//use if block to check condition

{

cout<<"1";//print message

}

}

int main()//defining main method

{

OR_gate();//calling method OR_gate  

return 0;

}

Output:

0

1

1

Explanation:

In the above program, a method "OR_gate" is declared, and inside the method two bool variable "a and b" is defined, which input the value from the user end.

In the next step, an if block is defined, that uses the or gate to check input value and print the value that is equal to 1, and inside the main method, it call the "OR_gate" method.

discuss the information justify with two examples

Answers

Answer:

An example of information is what's given to someone who asks for background about something

Driving is expensive. Write a program (in Python) with a car's miles/gallon and gas dollars/gallon (both floats) as input, and output the gas cost for 20 miles, 75 miles, and 500 miles.


Output each floating-point value with two digits after the decimal point, which can be achieved as follows:

print('{:.2f} {:.2f} {:.2f}'.format(your_value1, your_value2, your_value3))

Answers

x=float(input("How many miles can your vehicle travel on 1 gallon of gasoline?: "))

y=float(input("How much does 1 gallon of gasoline cost?: "))

print('20 miles: {:.2f}$\n75 miles: {:.2f}$\n500 miles: {:.2f}$'.format((20/x)*y, (75/x)*y, (500/x)*y))

ieee 802.11ac devices use an enhanced radio technology known as mimo (multiple-input multiple-output). which statement correctly describes a benefit of mimo?

Answers

The answer for the given question- MIMO rejects data rates less than 54 Mbps for increased throughput.

What is mimo?

Using multiple transmission and receiving antennas to take advantage of multipath propagation, multiple-input and multiple-output, or MIMO, is a technique used in radio to increase the capacity of a radio link. In order for wireless communication standards like IEEE 802.11n, IEEE 802.11ac, HSPA+, WiMAX, and Long Term Evolution to function, MIMO has become a crucial component. In more recent times, MIMO has been used in the ITU G.hn standard and the HomePlug AV2 specification to improve power-line communication for three-wire setups. The word "MIMO" once denoted the use of multiple antennas at the transmitter and receiver in wireless technology. Modern usage of the term "MIMO" refers primarily to a class of methods that take advantage of multipath propagation to broadcast and receive many data signals simultaneously over a single radio channel.

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Use a method from the JOptionPane class to request values from the user to initialize the instance variables of Election objects and assign these objects to the array. The array must be filled. ​

Use a method from the JOptionPane class to request values from the user to initialize the instance variables

Answers

To use the JOptionPane class in Java to request values from the user and initialize instance variables of Election objects and assign them to an array, you can follow the steps given in the image:

What is the JOptionPane class

The code uses JOptionPane. showInputDialog to show a message box and get information from the user. IntegerparseInt changes text into a number.

After completing a process, the elections list will have Election items, and each item will have the information given by the user.

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Use a method from the JOptionPane class to request values from the user to initialize the instance variables

can you answer this ?​

can you answer this ?

Answers

Answer:

Answer it yourself.

Explanation:

NO.

Answer:

Explanation:

the smallest unit of memory is a bit. you would think its a kilobyte or a byte, but actually a kilobyte is just a byte times 1000, and a byte is eight bits! one bit is either 0 or 1 stored in a computer

an erasable cd is called CD-RW it stands for read-write! which means you can erase it! on the other hand a CD-ROM is read only and this would not be the answer.... the answer is CD-RW

this "Which tab is used to apply text effects" question is confusing since we do not know which software you are working with. lets assume its powerpoint.... so then it would be the Home tab, because you can change the font there, no?

the next question is also unanswerable since we dont know which software you are working with...

RAM is called volatile memory. when you open stuff like Chrome on your computer and use it, the tabs are stored in your RAM. also when you play a game and you are in a live online match, the data is stored in your RAM. and when you shut down your computer, your game closes and your Chrome closes :( because its VOLATILE memory which means that all the memory is lost when you turn off the power. volatile memory needs power

jason decides to capture different moods of humans as he travels around the world. what points should he consider when he shoots a portrait photograph?

Answers

When shooting portrait photographs to capture different moods of humans, Jason should consider lighting, composition, background and pose and expression.

1)Lighting: Lighting plays a crucial role in setting the mood of a portrait. Jason should consider the direction, intensity, and quality of light to create the desired mood.

Soft, diffused lighting can evoke a gentle and peaceful mood, while harsh lighting can create a more dramatic and intense atmosphere.

2)Composition: Jason should carefully compose the shot to highlight the subject's facial expressions and emotions.

Paying attention to the rule of thirds, framing, and balance can help create a visually pleasing and engaging portrait.

3)Background: The background should complement the subject and contribute to the overall mood.

Jason should choose backgrounds that are simple and uncluttered or have elements that enhance the desired mood.

A clean background can draw attention to the subject's emotions, while a relevant backdrop can add depth and context.

4)Focus and Depth of Field: Selective focus and depth of field can emphasize the subject's emotions by isolating them from the background.

Jason can use a wide aperture (small f-number) to create a shallow depth of field, keeping the subject sharp while blurring the background, or choose a deep depth of field to capture more details in the scene.

5)Pose and Expression: Jason should guide the subject to convey the intended mood through their pose and expression.

Encouraging natural and genuine emotions can result in more authentic portraits.

By considering these points, Jason can effectively capture the different moods of humans in his portrait photographs, allowing viewers to connect with the subject's emotions and experiences across the world.

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I'm trying to figure out how to put this together can anyone help me solve this?

I'm trying to figure out how to put this together can anyone help me solve this?

Answers

The if-else statement to describe an integer is given below.

How to illustrate the information

The if-else statement to describe an integer will be:

#include <stdio.h>

#include <stdbool.h>

int main(void) {

int userNum;

bool isPositive;

bool isEven;

scanf("%d", &userNum);

isPositive = (userNum > 0);

isEven = ((userNum % 2) == 0);

if(isPositive && isEven){

  printf("Positive even number");

}

else if(isPositive && !isEven){

  printf("Positive number");

}

else{

  printf("Not a positive number");

}

printf("\n");

return 0;

}

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a major advantage of using word processing software is that users easily can change what they have written. True or False

Answers

True. Word processing software allows users to easily make changes to text they have written, such as editing, formatting, spell checking, and more.

What is software?

Software is a set of instructions, data or programs used to operate computers and execute specific tasks. It can be divided into two main categories: system software and application software. System software helps run the computer hardware and computer system, while application software helps perform specific tasks for users. Examples of systems software include operating systems, device drivers, diagnostic tools and servers.

This makes it much easier and faster than manually changing the text on paper.

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1.convert the following binary numbers to decimal
1.AB2 base in 16
2.123 in base 16
3.ABB base 16
4.35E.E base 16​
2.convert binary numbers to decimals
1.237 in base 8
2.2731 in base 8
3.617.7 in base 8
4.22.11 in base 8
3.Find the two's complement representation of the following numbers using 8bit
a) -17
b) -11
c) -46
d) -78

Answers

a) The converted binary numbers are:

1.AB2 base in 16 =  2738

2.123 in base 16 = 291

3.ABB base 16 = 43787

4.35E.E base 16​ =  3.3671875

b) converted  binary numbers to decimals are:
237 in base 8 = 159

2731 in base 8 = 1497

617.7 in base 8 =  7.234375

22.11 in base 8 = 0.15625

c) The two's complement representations of the following numbers using 8bit are:

-17 = 11101111.

-11 = 11110101.

-46 = 11010010.

-78 = 10110010.

What is the explanation for the above?

1) Converting binary numbers to decimal:

AB2 base in 16:

The first digit from the right is 2, which represents 2 in decimal.

The second digit from the right is B, which represents 11 in decimal.

The third digit from the right is A, which represents 10 in decimal.

Therefore, AB2 base 16 in decimal is: 2 + 11x16 + 10x16^2 = 2 + 176 + 2560 = 2738


2) 123 in base 16:

The first digit from the right is 3, which represents 3 in decimal.

The second digit from the right is 2, which represents 2 in decimal.

The third digit from the right is 1, which represents 1 in decimal.

Therefore, 123 base 16 in decimal is: 3 + 2x16 + 1x16^2 = 3 + 32 + 256 = 291


3) ABB base 16:

The first digit from the right is B, which represents 11 in decimal.

The second digit from the right is B, which represents 11 in decimal.

The third digit from the right is A, which represents 10 in decimal.

Therefore, ABB base 16 in decimal is: 11 + 11x16 + 10x16^2 = 11 + 2816 + 40960 = 43787



4) 35E.E base 16:

The first digit from the right is E, which represents 14 in decimal.

The second digit from the right is ., which separates the integer and fraction parts.

The third digit from the right is 5, which represents 5 in decimal.

The fourth digit from the right is 3, which represents 3 in decimal.

The fifth digit from the right is E, which represents 14 in decimal.

Therefore, 35E.E base 16 in decimal is: 14/16 + 3x16^-1 + 5x16^-2 + 14x16^-3 = 14/16 + 3/16 + 5/256 + 14/4096 = 3.3671875


Converting binary numbers to decimal:



1) 237 in base 8:

The first digit from the right is 7, which represents 7 in decimal.

The second digit from the right is 3, which represents 3 in decimal.

The third digit from the right is 2, which represents 2 in decimal.

Therefore, 237 base 8 in decimal is: 7 + 3x8 + 2x8^2 = 7 + 24 + 128 = 159



2) 2731 in base 8:

The first digit from the right is 1, which represents 1 in decimal.

The second digit from the right is 3, which represents 3 in decimal.

The third digit from the right is 7, which represents 7 in decimal.

The fourth digit from the right is 2, which represents 2 in decimal.

Therefore, 2731 base 8 in decimal is: 1 + 3x8 + 7x8^2 + 2x8^3 = 1 + 24 + 448 + 1024 = 1497



3) 617.7 in base 8:

The first digit from the right is 7, which represents 7 in decimal.

- The second digit from the right is ., which separates the integer and fraction parts.

- The third digit from the right is 1, which represents 1 in decimal.

- The fourth digit from the right is 6, which represents 6 in decimal.

- Therefore, 617.7 base 8 in decimal is: 7/8 + 1x8^-1 + 6x8^-2 + 0x8^-3 + 0x8^-4 + 0x8^-5 + 0x8^-6 + 0x8^-7 = 7/8 + 1/8 + 6/64 = 7.234375

4) 22.11 in base 8:

The first digit from the right is 1, which represents 1 in decimal.

The second digit from the right is 1, which represents 1 in decimal.

The third digit from the right is ., which separates the integer and fraction parts.

The fourth digit from the right is 2, which represents 2 in decimal.

Therefore, 22.11 base 8 in decimal is: 1x8^-1 + 1x8^-2 + 2x8^-3 + 0x8^-4 = 0.140625 + 0.015625 = 0.15625

Finding the two's complement representation of the following numbers using 8-bit:

To find the two's complement of a negative number, we first need to represent the number in binary form, invert all the bits, and then add 1 to the result.

a) -17:

- The binary representation of 17 is 00010001.

- Inverting all the bits gives 11101110.

- Adding 1 to 11101110 gives 11101111.

- Therefore, the two's complement representation of -17 in 8-bit is 11101111.

b) -11:

- The binary representation of 11 is 00001011.

- Inverting all the bits gives 11110100.

- Adding 1 to 11110100 gives 11110101.

- Therefore, the two's complement representation of -11 in 8-bit is 11110101.

c) -46:

- The binary representation of 46 is 00101110.

- Inverting all the bits gives 11010001.

- Adding 1 to 11010001 gives 11010010.

- Therefore, the two's complement representation of -46 in 8-bit is 11010010.

d) -78:

- The binary representation of 78 is 01001110.

- Inverting all the bits gives 10110001.

- Adding 1 to 10110001 gives 10110010.

- Therefore, the two's complement representation of -78 in 8-bit is 10110010.

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what is the first computer?​

Answers

Answer:

The first computer was called the "Atanasoff-Berry Computer" (ABC), which was developed by John Atanasoff and Clifford Berry in the late 1930s and early 1940s. The ABC was an electronic computer that used binary digits (bits) to perform calculations, and it was designed to solve systems of linear equations. While the ABC was not a general-purpose computer, it represented a major milestone in the development of electronic computing and laid the groundwork for later computer designs.

A strictly dominates choice B in a multi-attribute utility. It is in your best interest to choose A no matter which attribute youare optimizing.

a. True
b. False

Answers

Answer:

A strictly dominates choice B in a multi-attribute utility. It is in your best interest to choose A no matter which attribute youare optimizing.

a. True

Explanation:

Yes.  It is in the best interest to choose option A which dominates choice B.  A Multiple Attribute Utility involves evaluating the values of alternatives in order to make preference decisions over the available alternatives.  Multiple Attribute Utility decisions are basically characterized by multiple and conflicting attributes.  To solve the decision problem, weights are assigned to each attribute.  These weights are then used to determine the option that should be prioritized.

Which of the following best explains how data is typically assembled in packets for transmission over the Internet?a. Each packet contains data to be transmitted, along with metadata containing information used for routing the data. b.Each packet contains an encrypted version of the data to be transmitted, along with metadata containing the key needed to decrypt the data. c.Each packet contains only the metadata used to establish a direct connection so that the data can be transmitted. d.Each packet contains multiple data files bundled together, along with metadata describing how to categorize each data file

Answers

This statement best explains how data is typically assembled in packets for transmission over the Internet is a. Each packet contains data to be transmitted as well as metadata containing information used for data routing.

What is Packet in data transmission?

In data transmission, a packet is a unit of data that is transmitted over a network. It consists of a header, which contains information about the packet, such as the source and destination addresses, and a payload, which contains the actual data being transmitted.

Packets are used to ensure that data is transmitted efficiently and reliably, as they can be broken down and transmitted individually, and can be reassembled at the receiving end.

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