When creating a table in the relational database design from an entity in the extended e-r model, the attributes of the entity become the rows of the table?
When creating a table in the relational database design from an entity in the extended e-r model, the attributes of the entity become the rows of the table. The statement is false.
What is Attribute?A trait or characteristic of an entity is its attribute. Any amount of attributes can be present in an entity. The primary key is regarded as one of the qualities.
Gathering requirements is the first stage. In order to comprehend the proposed system and collect and record the necessary data and functional requirements, the database designers must conduct interviews with the clients (database users).
The creation of tables and columns from entities and attributes is the initial stage of database design. Create a relation for each relationship before building a relational database design using E-R diagrams. The relational database design represents each entity in the extended E-R model as a table.
Therefore, The statement is false.
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After an antivirus server performs filtering, it may ____. a. drop the object b. send the object to the firewall to pass to the destination c. pass the object to the destination directly d. all of the above
In a spreadsheet, equations that use addition, subtraction, multiplication, and division operators, as well as values and cell references are called
Final answer:
Spreadsheet equations with operators and cell references are known as formulas. Formulas allow for dynamic updates and use the order of operations to perform calculations. Functions like PRODUCT simplify calculations and can be used within formulas.
Explanation:
In a spreadsheet, equations that use addition, subtraction, multiplication, and division operators, as well as values and cell references are called formulas. All formulas in spreadsheet software like Excel must start with an equal sign (=) and can include cell references, ranges of cell references, arithmetic operators, and constants. Using formulas with cell references, such as =D30-D60 to calculate Owner's Equity from Assets and Liabilities, allows for dynamic updates if any referenced cells change. This concept is known as Relative Cell Referencing.
When constructing formulas, it's important to remember the order of operations, often guided by mnemonics like PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction). Complex formulas can include multiple mathematical operations, cell ranges, and even nested functions, utilizing parentheses to clarify order if necessary. For example, =A3+B3*C3 will multiply B3 and C3 before adding A3, but in =(A3+B3)*C3, A3 and B3 are added first before multiplication.
Spreadsheet programs offer a variety of built-in functions, such as PRODUCT, to simplify common calculations. For instance, instead of multiplying cells directly, you can use =PRODUCT(B2, B3). Formulas should be entered carefully to avoid errors, and one way to reduce these errors is by using the pointing method, which involves clicking on cell references directly instead of typing them.
A switch is a central network device that connects network nodes such as workstations and servers in a physical ____ topology
Hey, so I'm getting an IPhone 7 in about a week. Currently my phone is IPhone 6 plus. Can you tell me major differences between those two phones?
Some of the differences are dual cameras on the Plus model, P3 color gamut display & stereo speakers
List two challenges an operating system faces when passing parameters between user and kernel mode. describe how an operating system can overcome them.
The main challenges facing by operating system between user mode and kernel mode are as follows:
The size of each parameter which is passing to make system calls must not exceed to the size of registers. The parameters should not be more than six.To deal with the above problem, the parameters are written in the registers before executing system call.
Further explanation:
User Mode: In this mode, CPU has limited access to manage the memory and also access of peripheral devices (network cards and disks) is not permissible. The CPU can be taking away from a program at any tie.
Kernel Mode: The CPU has ability to manage the memory and have access of peripheral devices. The CPU can switch from one program to other program in this mode.
Hence, if program is running in user mode then it prevents to access the other programs.
Switching from User to Kernel Mode: First, set the values with parameters in the registers and execute the trap instruction. Just after that, CPU switches to kernel mode and jumps to the memory location. These instructions are known as system call handler or trap which reads the instructions and perform in kernel mode. After the system call, OS resets the mode to user mode and hence now it can now perform both simultaneously.
Learn more:
1. How does coding work on computers? brainly.com/question/2257971
2. Prediction accuracy of a neural network depends on _______________ and ______________. brainly.com/question/10599832
Answer details:
Grade: College Engineering
Subject: Computer Science
Chapter: Operating System
Keyword:
Computer, CPU, Operating System, user mode, kernel mode, peripheral devices, disks, network cards, trap, instructions, registers, switch, system call, size, handler, parameters, reset
Samuel is working on decimal and binary conversion for his college project. He is using the binary number 111011 and wants to explain its conversion to the decimal number 59. Which formula will Samuel use to explain the conversion?
a) 1 x 25 + 24 + 1 x 23 + 0 x 22 + 1 x 21+ 1 x 20
b) 0 x 25 + 1 x 24 + 1 x 23 + 0 x 22 + 1 x 21+ 1 x 20
c) 0
1 x 25 + 1 x 24 + 1 x 23 + 0 x 22 + 1 x 21+ 1 x 20
d) 20 x 1 + 21 x 1 + 22 x 0 + 23 x 1 + 24 x 1 + 25 x 1
e) 1 x 25 + 1 x 25 + 22 x 0 + 23 x 1 + 24 x 1 + 25 x 1
Unicode is the most flexible character coding scheme true or false
Answer: It is false.
Explanation: Code is made out of numbers if we are talking about binary code. but if we're talking about other code types like Java then it requires words and some numbers (But mostly words and other characters that are not a Unicode). ᜲ is not a valid character for a code. unless you put it as a showing text in whatever your programming. Here is how you type Unicode by the way. ctrl+shift+u+any number to get a Unicode of your choice. It's able to project about 99999999 characters. all with unique formations.
What is the default ttl for a windows server 2012 dns server?
Alpha Technologies, a newly established company, wants to share information about its work with people all over the world. Which type of server should this company use to upload their information?
A-web server
B-mail server
C-database server
D-file server
Assign to the boolean variable 'possiblecandidate' the value false if the int variable 'n' is even and greater than 2, or if the variable 'n' is less than or equal to 0; otherwise, assign true to 'possiblecandidate'. assume 'possiblecandidate' and 'n' are already declared and 'n' assigned a value.
Answer:
possiblecandidate = true;
if( ( ( n >= 2 ) && ( n % 2 == 0 ) ) || ( n <= 0 ) )
possiblecandidate = false;
Explanation:
Which windows command always navigates the command-line interface back to the root directory?
Does the sticker list an automatic or manual transmission?
A. automatic
B. manual
C. It doesn't list the transmission.
Every computer contains a(n) ____ to send and receive data from other computers over a network.
Which type of device provides an internet connection through the use of a phone jack?
A spreadsheet has some values entered:Cell A1 contains 10 cell A2 contains, cell A3 contains 7. you enter in cell A4 the following: =1+2. What value is displayed in A4
3
10
14
24
Answer:
the answer is 3
Which protocol is used to access a windows computer remotely using the windows graphical user interface?
Final answer:
The protocol used to remotely access a Windows computer with the graphical user interface is the Remote Desktop Protocol (RDP). RDP requires client software, the remote computer's address, a username, and password to establish a secure connection.
Explanation:
The protocol used to access a Windows computer remotely using the Windows graphical user interface is Remote Desktop Protocol (RDP). To use RDP, you need:
Client software on your own computer.
The address of the remote computer, such as its host name or IP address.
A username with which to log in to the remote computer.
A password corresponding to the username.
RDP provides a user with the ability to connect to another computer over a network and interact with its desktop environment as if they were physically present at the keyboard of the remote computer. This includes the full graphical user interface, applications, and resources as though you were logged in directly to the remote machine. When successful authentication occurs, the client displays the remote desktop session, allowing for a broad range of tasks, including file transfers and running applications.
For enhanced security, it is recommended to change your password regularly to something secure but also easy to remember. One example of a secure password is 'correcthorsebatterystaple', which is more secure than passwords with short strings of random characters.
Which of the following gives a word document an informational look?
A. Times New Romans
B. Comic Sans MS
C. Verdana
D. Arial
Network administrators and it managers use network ____ to expose network vulnerabilities.
Which is the most recent version of Microsoft Windows
A. Window 8
B. Window Longhorn
C. Windows NT
D. Windows Service pack 2
which best describes headers and footers
What is the type of broadband internet in which the connection is degraded by adding multiple users?
A fitness tracker can be classified as a wearable computer. true
What type of address is the ip address 198.162.12.254/24?
The Internet Protocol address range 198.162.12.254/24 is classified as a Class C address.
The final "/24" denotes the subnet mask, which is what determines the network and host sections of the IP address. The network portion of a Class C network is represented by the first three octets (198.162.12), while the host portion is represented by the final octet (254) in the address.
The subnet mask "/24" indicates that the first 24 bits (3 octets) are used for the network component, leaving 8 bits (1 octet) for the host section. This leaves a total of 32 bits (6 octets) available. This permits a total of up to 254 different host addresses to exist within the network.
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_______ allows you to convert text to a graphic element. A. SmartArt B. Clip art C. Shapes D. WordArt
WordArt allows you to convert text to a graphic element. WordArt is one of Microsoft applications.
EXPLANATION
Users can add WordArt to their spreadsheets, slides or documents in Microsoft applications, including Excel, PowerPoint, and Word. WordArt is a stylish type of text which can convert text into graphic text. WordArt allows users to make text look more attractive than plain text.
There are several types of text styles in WordArt, including: embossed text, bordered text, and dark text. Users can add WordArt using two different colors. One color becomes the boundary of the text and the other color becomes the core color of the text. After adding WordArt to the document, WordArt can be moved to any position. WordArt text size can also be changed.
To add WordArt in Microsoft Word, Excel, and PowerPoint, follow these steps:
Microsoft Word
1. Open Microsoft Word.
2. In the Ribbon, click on the Insert tab.
3. In the Text section, click on the WordArt option.
4. Select the type of WordArt you want to add to the document.
Microsoft Excel
1. Open Microsoft Excel.
2. In the Ribbon, click on the Insert tab.
3. On the far right side of the menu bar, click on the Text option.
4. In the Text pop-up section, click on the WordArt option.
5. Select the type of WordArt you want to add to the document.
Microsoft PowerPoint
1. Open Microsoft PowerPoint.
2. In the Ribbon, click on the Insert tab.
3. In the Text section, click on the WordArt option.
4. Select the type of WordArt you want to add to the document.
LEARN MORE
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• WordArt styles allow you to add
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KEYWORD: WordArt, Microsoft, technology.
Subject: Computers and technology
Class: 10 - 12
Subchapter: Microsoft
Jan wants to save a $2000 gift from her grandparents, and add $50 per month as emergency funds. She has narrowed her search for a savings account to 2 banks, Bank A and Bank B. Bank A pays a fixed rate of interest, and Bank B pays a variable rate, but both rates are currently the same. What advice would you give Jan about how to choose an account based upon her own needs? I. The fees and services will make a much bigger difference than the type of interest while your balances are small. II. The more that you expect to save, the more you should think about what effect the interest rates might have on your finances. III. Choose the variable rate, because no matter what the fees are, if it goes way up, you could become richer.
All of the above, Jan should consider the fees and services of the bank accounts as well as the expected savings when choosing between a fixed and variable interest rate account. Higher future savings may benefit more from stable, fixed interest rates. Evaluating the total benefits and costs will help in making the best choice.
Jan wants to save a $2000 gift from her grandparents, and add $50 per month as emergency funds. She has narrowed her search for a savings account to 2 banks, Bank A and Bank B. Bank A pays a fixed rate of interest, and Bank B pays a variable rate, but both rates are currently the same.
Advice on Choosing a Savings Account
The fees and services will make a much bigger difference than the type of interest while your balances are small. Jan should consider how much she will be charged for maintaining the account and look into any perks or services that come with each account.The more that you expect to save, the more you should think about what effect the interest rates might have on your finances. As Jan’s savings grow, the differences in how interest is calculated will become more significant.Choose wisely based on stability and needs. While a high variable rate might sound attractive, it carries the risk of dropping. A fixed rate offers certainty and can be better suited for consistent, stable growth, especially for emergency funds.In conclusion, if Jan has higher future savings goals and wants stability, she should lean toward the account with a fixed interest rate, ensuring she also considers any associated fees and services.
Which type of operation writes the file system structure to the disk?
The type of operation that writes the file system structure to the disk is a formatting operation. During formatting, the necessary file system structure is written, enabling organized data and device management in Unix. This process ensures efficient interaction between devices and data.
The type of operation that writes the file system structure to the disk is called a formatting operation. When you format a disk, the operating system writes the necessary file system structure, such as directories and tables, to the disk, enabling the organization and management of files.In the context of the Unix filesystem, everything is treated as a file. This includes traditional files like documents and media, as well as directories and device files. For example, a music file needs to have its data written to a device file connected to the sound card to be played. Similarly, when typing in a terminal, characters are read from a file representing the keyboard and written to a file representing the monitor.During the formatting process, the operating system sets up this file system structure, ensuring that devices and data can interact efficiently and in an organized manner.What is an example of a computer program that could be coded with the javascript scripting language?
You must configure an ip address on a catalyst 2950 xl switch using the default management switch port. from global configuration mode, which commands would you enter to configure the correct management port
When I comes to saving money, what is good rule of thumb