A database model is the overarching conceptual framework for storing records within a database and the process for establishing relationships between those records.
How Does Data Modeling Work?Data modeling entails creating data objects for subsequent usage and visualizing the data dependencies of an app.The general conceptual framework for keeping records in a database and the procedure for creating connections between those records is known as a database model.Data modeling is referred to as the key stage in software engineering that entails assessing all the data dependencies for the application, explicitly outlining how the data will be used by the software (typically through visualizations), and defining data objects that will be stored in a database for future use.To illustrate how various data points and organizational structures are connected, data modeling is the process of creating a visual representation of all or a portion of an information system. The objective is to describe the various forms of data that are utilized and kept in the system.To learn more about database refer to:
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Which of the following are ways in which a programmer can use abstraction to manage the complexity of a program?
Select two answers
Replacing the string variables name1, name2, name3, and name4 with a list of strings called names
Replacing each instance of repeated code with a call to a procedure
The following are ways in which a programmer can use abstraction to manage the complexity of a program.
1. Use classes to group related functions and data into a single unit.
2. Break a program into smaller functions that each perform a single task.
3. Use variables and constants to store values.
4. Use comments to document the code.
5. Separate the user interface from the business logic.
6. Use inheritance to avoid repeating code.
7. Create an object model to represent complex data.
8. Use data structures to store information.
What is program?
A series of instructions written in a programming language for such a computer to follow is referred to as a computer programme. Software, that also includes documentation as well as other intangible components, includes computer program as one of its components. The source code of a computer program is the version that can be read by humans. Since computers can only run their native machine instructions, source code needs to be run by another program. Consequently, using the language's compiler, source code may be converted to machine instructions. (An assembler is used to translate program written in machine language.) An executable is the name of the resulting file. As an alternative, the language's interpreter may run source code.
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to preserve an exact cell address in a copied formula, you can use a relative cell reference.
a. true
b. false
The statement to preserve an exact cell address in a copied formula, you can use a relative cell reference is False.
What is a cell address?
A worksheet cell is identified by cell address, which is made up of a column letter and a row number. For instance, A1 refers to the cell that is located where row 1 and column A meet, B2 to the second cell in column B, and so on.
Absolute cell address and relative cell address are the two different types. When copied and filled into additional cells, both relative and absolute address function differently.
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In JAVA Please and comments included
Implement Depth First Search (DFS) using a stack. The depth-first search (dfs) algorithm described in Listing 28.8 uses recursion. Design a new algorithm without using recursion. First, describe it using pseudocode and copy that pseudocode into the assignment submittal. Next, implement it by defining a new class named UnweightedGraphWithNonrecursiveDFS that extends UnweightedGraph (shown in Listing 28.4) and overrides the [Depth First Search] dfs method.
NOTE: when you review AbstractGraph.java Listing 28.3 you will notice that there are two dfs methods (page 1031). You need to override the method dfs(int v), (line 164, page 1031) not the other one with the longer list of parameters.
Using the knowledge in computational language in python it is possible to write a code that design a new algorithm without using recursion.
Writting the code:# DFS algorithm
def dfs(graph, start, visited=None):
if visited is None:
visited = set()
visited.add(start)
print(start)
for next in graph[start] - visited:
dfs(graph, next, visited)
return visited
graph = {'0': set(['1', '2']),
'1': set(['0', '3', '4']),
'2': set(['0']),
'3': set(['1']),
'4': set(['2', '3'])}
dfs(graph, '0')
What is Microsoft Graph Explorer?
Graph Explorer is a developer tool that lets you learn about Microsoft Graph APIs. Use Graph Explorer to try the APIs on the default sample tenant to explore capabilities, or sign in to your own tenant and use it as a prototyping tool to fulfill your app scenarios
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you use the following command to create a new directory: md yellow what will the path be to the new directory?
Various techniques may be employed, depending on the operating system or the location where the directory is being created.
What is the purpose of the command for browsing the current directory's contents?The dir command is part of the Windows command processor and is used to list the files and folders in the current directoryCommand is referred to by the acronym.The command-line interpreter for Windows operating systems is called Command Prompt, or CMD.The "MS-DOS Prompt" is a command-line interface similar to which is used in DOS and Windows 9x systems.It is comparable to Unix Shells, which are used on similar systems to Unix.To learn more about operating system refer to:
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Compared with a large-scale integrated multi-purpose computer, a quantum computer is a _____ computer. high-powered multi-purpose slower integrated high-speed parallel high-speed integrated
high powered multipurpose computer.
What is a computer?
A computer is a piece of electronic equipment used to manipulate data or information. Data can be stored, retrieved, and processed by it. You may already be aware of the fact that you can use a computer to browse the Internet, send emails, type documents, and play games. It can also be used to edit or make presentations, videos, and spreadsheets.
What is multipurpose computer?
These computers have an operating system that allows multiple applications to run simultaneously. Devices like servers, laptops, and smartphones are a few examples.
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sheffield corporation owns a patent that has a carrying amount of 360000 sheffield expects future net cash flows from this patent to total 295000
Annual tests for intangible asset impairment are required and if an asset is found to be impaired.
What should be evaluated for impairment every year?Because the total of an intangible asset's undiscounted cash flows is theoretically unlimitedThe impairment test for intangibles with an indefinite useful life is a little different.They are compared to their fair value and their carrying value to check for impairment at least once a yearAn impairment loss equal to the difference between the two is recorded.The first phase of the impairment test determines if the long-lived assets are recoverable.Any excess of carrying value over the asset's fair value that exceeds the total of its undiscounted cash flows is recorded as an impairment loss.To learn more about impairment refer to:
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a(n) _____ scans the entire source code, looking for errors in the form of the code.
A compiler is one that scans the entire source code, looking for errors in the form of the code.
What is a compiler and use of it?
A compiler is a language processor that reads a whole source program written in a high-level language in one go and converts it into an equivalent program written in machine code. Example: Java, C, C++, and C#.
Uses of a compiler: Some advance compilers have multiple languages interfaces like they have python 3 and java script etc along with that the compilers actively show the errors in the program done. So online compliers are also being used without downloading the entire software.
Hence we can conclude that the compiler scans the entire source code, looking for errors in the form of the code.
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translation is terminated when a stop codon is presented at the ________ site.
It is to be noted that translation is terminated when a stop codon is presented at the RNA site.
What is a stop codon?A stop codon is a codon in molecular biology that signifies the end of the current protein's translation process.
A stop codon is a three-nucleotide sequence (trinucleotide) in DNA or messenger RNA (mRNA) that instructs the cell to stop protein production. There are 64 distinct trinucleotide codons: 61 of which designate amino acids and three of which stop codons (i.e., UAA, UAG, and UGA).
A stop codon instructs the ribosome and transfers DNA that the process may be terminated and the new polypeptide chain released. If ribosomes and transfer DNA remain a mystery, continue reading or go to the protein synthesis page. An organism cannot create certain proteins without stop codons.
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Assume you have three arrays, A,B,C, holding elements of size 8 bytes each. Assume the base address of A is stored in $t0, that of B in $t1, and that of C in $t2. Convert the following C code to RV64I assembly code. A[i]=B[C[i+2]]; Assume the i variable is stored in $t3.Your lines of assembly code should not exceed beyond 20! Make sure to comment your code.Precede your comments with "#" for better readability.You don’t need to follow any register convention while writing the code.
Load $t0[$t3] , R3 # load the content of R3 to array A to location I .
What is an Array?
An array is a type of data structure used in computer science that holds a set of elements that are all uniquely identified by at least one array index or key. Each element of an array is stored so that a mathematical formula can be used to determine its position from its index tuple.
Given that;
Load R1 , =2($t3) # load the sum of 3 and the value of $t3 to register R1.Here r1 is referred as an index register.
Load R2 , $t2[R1] # load the content of array C of location R1 to register R2.$t2[R1] = $t2 + R1
Load R3 , $t1[R2] # load the content of array B of location R2 to register R3.$t1[R2] = $t1 + R2
Load $t0[$t3] , R3 # load the content of R3 to array A to location I .
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Analyse how computational thinking skills can impact software design and the quality of the software applications produced.
The ability to learn a computer programming language is essentially what computational thinking skills are, and they also play a big role in the software development process.
Additionally, it helps to raise the caliber of many programming-related software programs. Computational thinking abilities: Computational thinking has several benefits in software applications, including the capacity to decompose a complex system problem into manageable parts. It helps focus only on the most important and useful information or data in the software design process and applications, ignoring irrelevant data. Computational thinking abilities: Computational thinking has several benefits in software applications, including the capacity to decompose a complex system problem into manageable parts.
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Which two statements describe features or functions of the logical link control sublayer in Ethernet standards? (Choose two.)
1) *The data link layer uses LLC to communicate with the upper layers of the protocol suite.
2) *Logical link control is implemented in software.
3) Logical link control is specified in the IEEE 802.3 standard.
4) The LLC sublayer is responsible for the placement and retrieval of frames on and off the media.
5) Logical link control is implemented in software.
The two statements describe features or functions of the logical link control sublayer in Ethernet standards are:
The data link layer uses LLC to communicate with the upper layers of the protocol suite. (Option A)Logical link control is implemented in the software. (Option C)
What are Ethernet standards?
The logical link method is achieved in software and allows the data link layer to interface with the protocol suite's upper levels. The IEEE 802.2 standard defines logical link control. IEEE 802.3 is a set of standards that defines several Ethernet kinds.
The MAC (Media Access Control) sublayer is in charge of placing and retrieving frames on and off the media. The MAC sublayer additionally adds a header and a trailer to the network layer protocol data unit (PDU).
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Network and Computer Systems Administrator Career
What industries do network administrators work in?
What are the main functions of network administration?
How do you think each function supports each part of the CIA (Confidentiality, Integrity, Availability) Triad?
The industries that network administrators work in is computer systems design as well as its related services industry.
The main functions of network administration are:
The network administrator's job is to make sure the computer networks run smoothly. All network hardware, software, and communication links must be planned, developed, installed, configured, supported, and optimized.How do you think each function supports each part of the CIA Triad?Data, items, and resources must be shielded from illegal sight and other access in order to be considered confidential. Integrity refers to the safeguarding of data from unauthorized modifications to maintain its accuracy and dependability. When systems and resources are available, it indicates that authorized users have access to them.
Despite the fact that many network and computer system administrators work for companies in the computer systems design and related services sector, they are employed in a variety of locations. Some might manage networks and systems for financial companies, while others might work in clinics or regional government agencies.
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After the header, the body of the method appears inside a set of:
A. brackets, [ ]
B. double quotes, " "
C. parentheses, ( )
D. braces, { }
After the given header, the body of a method appears inside a set of braces{}.
What is header?
A header is a section of a document or data packet that contains metadata or other information required for the main data to be processed. It is a term commonly used in information technology to describe any supplemental data that is placed before the actual data.
The header typically marks the beginning of the data. When data is sent in datagrams, the header contains important information such as the source and destination addresses, packet type and size, and other details. Similarly, the header is used for specific purposes in various types of documents.
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What type of system software manages memory?
A. operating system
B. screen saver
C. memory stick
D. file manager
The type of system software that manages memory is this:
A. Operating system
What is an operating system?An operating system refers to a software management system that is able to manage files, process applications, and even manage memory. Many technological devices have operating systems that are able to manage the execution of tasks within their environment.
Of all of the options mentioned, we can conclude that an operating system is a correct answer because one of its main functions is the management of memory. It also provides a graphical interphase through which users can operate a device.
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Mathematical Operators In Python
1} Select the mathematical statement that is false.
A) 22 % 2 > −3
B) 22 % 2 < 5
C) 22 % 2 != 1
D) 22 % 2 = = 4
2} You have been asked to create a program for an online store that sells their items in bundles of five. Select the appropriate code that would display how many bundles are available for sale.
A) print(5 // totalItems)
B) print(totalItems // 5)
C) print(totalItems(5) )
D) print(5(totalitems) )
1. The mathematical statement that is false is D) 22 % 2 = = 4
2. The appropriate code that would display how many bundles are available for sale is B) print(totalItems // 5)
What is python?Python is a general-purpose, high-level programming language. Its design philosophy prioritizes code readability by employing significant indentation. Python is garbage-collected and dynamically typed. It is compatible with a variety of programming paradigms, including structured, object-oriented, and functional programming.
It is a computer programming language that is frequently used to create websites and software, automate tasks, and analyze data. Python is a general-purpose programming language, which means it can be used to create a wide range of programs and is not specialized for any particular problem.
It is developed under an OSI-approved open source license, which allows it to be freely used and distributed, even for commercial purposes.
In conclusion, the correct options are D and B.
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FILL IN THE BLANK. When division by zero occurs and the problem is not addressed, the program crashes with an error message that is ____ dependent.
Answer: The answer would be IDE.
I hope this helps <3
Using the Domain Name System (DNS) enables organizations to change ISP service providers (i.e., change IP addresses), without having to change the Uniform Resource Locator (URL). True False
Using the Domain Name System( DNS) enables associations to change ISP service providers( i.e., change IP addresses), without having to change the Uniform Resource Locator( URL) is True.
What's Domain Name System?
The phonebook of the Internet is the Domain Name System( DNS). sphere names likeespn.com or the new yorktimes.com are used by people to pierce information online. Through Internet Protocol( IP) addresses, web cybersurfers may communicate. In order for cybersurfers to load Internet coffers, DNS converts sphere names to IP addresses.
What's Uniform Resource Locator?
An Internet resource can be set up using a URL( Uniform Resource Locator), a special identifier. It's also known as a web address. URLs contain several factors, similar as a protocol and sphere name, which instruct a web cybersurfer on how and from where to recoup a resource.
Sphere names can collude to a new IP address if the host's IP address changes, which is one of DNS's advantages. compared to an IP address, are simpler to study. allow for the use of sphere name scales by associations that aren't reliant on IP address allocation.
In order for cybersurfers to load Internet coffers, DNS converts sphere names to IP addresses. Each machine on a network is uniquely linked by its IP address, which enables communication between them via the Internet Protocol( IP).
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Which of the following is required to take advantage of the performance benefits offered by the multi-channel memory architecture? (select all that apply)
a. Installing memory modules of matching types
b. Installing memory modules of matching speeds
c. Installing memory modules in any of the free memory slots on the motherboard
d. Installing memory modules of the same capacity
e. Installing modules in appropriate memory slots (slots of matching color) on the motherboard
Installing memory modules of matching types, Installing memory modules of matching speeds, Installing memory modules of the same capacity and Installing modules in appropriate memory slots (slots of matching color) on the motherboard.
What is a memory module?
Memory-integrated circuits are installed on a printed circuit board known as a memory module or RAM stick in computing. In electronic systems, particularly PCs like personal computers, workstations, and servers, memory modules allow for simple installation and replacement. They are always found within the computer case because memory modules plug directly into the motherboard. The computer must be turned off and the casing opened in order to access the modules before you may reinstall RAM.
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from your windows laptop, you have been working on a large project that has required you to open a lot of items (programs, files, etc.). it is time to leave the office and make the two-hour journey home. you will be working on this project a bit more when you arrive at home. your computer's battery is failing and only has a very short life span (about one hour) before your computer loses power. when you arrive home and open the laptop lid, nothing happens. after plugging in your computer and powering it on, you find that all of your programs and files have been closed. to troubleshoot, you open control panel and navigate to the settings that control what your computer will do when the laptop lid is closed. which of the following power settings must you choose to prevent the same problem in the future?
To prevent the same problem from happening in the future, you should choose the power setting that controls what your computer will do when the laptop lid is closed.
This setting is typically found in the Control Panel under the Power Options or Power Management settings. Depending on your specific computer and operating system, the exact location and name of this setting may vary, but it is typically located under the "Advanced Power Settings" or "Power Management" section.
Once you have found this setting, you can select the option that tells your computer to "Do nothing" when the laptop lid is closed, which will keep your programs and files open and prevent your computer from losing power when the lid is closed.
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(T4_F19 Q12) Given the following HLSM: A logical OR datapath component should be instantiated for the transition condition !(K> 6) || !)? (Is an OR gate a datapath component?) HLSM Inputs: 1, K(4) Outputs: Z(4) (K>6) OK Z=0; K>6 H(K >6|19) Alarm Z=9 U (K>6) || 5 True False
It is true that the logical OR datapath component should be instantiated for the transition condition.
What's a data path?A data path is a collection of functional units that perform data processing operations. A computer system's CPU (central processing unit) is made up of datapaths and a control unit. Multiplexers can be used to join multiple data paths together to create a larger data path.
A datapath is a collection of functional units that perform data processing operations, such as arithmetic logic units or multipliers, as well as registers and buses.
The central processing unit is made up of the control unit and the central processing unit (CPU). Multiplexers can be used to join multiple datapaths together to create a larger datapath.
Memory (which stores the current instruction), PC or program counter (which stores the address of the current instruction), and ALU are examples of simple datapath components (executes current instruction).
In this case, this is true because there is transition of both signal or condition ( whatever ) K>6 and !((K>6||!j) . Otherwise mixing them will cause an error.
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as a network analyst, you want the acl (access control list) to forward the icmp (internet control message protocol) traffic from host machine 2.2.2.2 to host machine 5.5.5.5. which of the following commands will you use in this scenario? 1. access-list acl_2 permit icmp any any2. access-list acl_2 deny icmp any any3. access-list acl_2 permit tcp host 2.2.2.2 host 5.5.5.54. access-list acl_2 permit tcp host 2.2.2.2 host 3.3.3.3 eq www
The third option, "access-list acl 2 permit tcp host 2.2.2.2 host 5.5.5.5" is what I must select as a network analyst if I want the ACL (Access Control List) to forward the ICMP (Internet Control Message Protocol) traffic from host machine 2.2.2.2 to host machine 5.5.5.5.
What is Access Control List ?
In particular in computer security settings, the term "Access Control List" (ACL) refers to a specific set of rules used for filtering network traffic. ACLs also grant authorized users access to specific system objects like directories or files while denying unauthorized users access.
ACLs are primarily found in switches and routers that have packet filtering capabilities.
What is the Internet Control Message Protocol ?
Network devices use the Internet Control Message Protocol (ICMP), a network layer protocol, to identify problems with network communication. ICMP is primarily used to check whether data is arriving at its target location on time. The ICMP protocol is frequently used on network equipment, such as routers. Although ICMP is essential for error reporting and testing, distributed denial-of-service (DDoS) attacks can also make use of it.
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jose inserts the formula =date(2021, 2, 15) in cell a15. when he presses enter, 2/15/2021 will appear in the cell.
a. true
b. false
Jose inserts the formula =date(2021, 2, 15) in cell a15. when he presses enter, 2/15/2021 will appear in the cell is option A: True.
What is the date () function about?In excel, the serial number representing a certain date is returned by the DATE function. The below arguments are part of the DATE function syntax: Required Year The year argument's value might be one to four digits.
Therefore, in regards to date setting, the start date and the number of months you wish to add or subtract are the two inputs needed for the EDATE function. Enter a negative value as the second argument to deduct months. For instance, the result of =EDATE("9/15/19",-5") is 4/15/19.
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Which of the following statement(s) about global variables is(are) true?
A) If a function contains a local variable with the same name as a global variable, the global variable's name takes precedence within the function. B) A global variable can have the same name as a variable that is declared locally within a function C) A global variable is the same as a named constant. D) A global variable is declared in the highest level block in which it is used. E) A global variable is accessible only to the main function.
The statement about global variable true is :
A local variable declared inside of a function can have the same name as a global variable.
What is meant by Global variable ?As the name suggests, global variables are variables that are available everywhere in the application. They are stored in memory for the duration of the programme after being declared. This implies that they are changeable at any time by any function and may have an impact on the entire programme.
Global variables are those that have been declared outside of the specified function. These are not restricted to a particular function, therefore any available function can be used to access and alter global variables.
Global variables are those that are produced outside of a function, like in all of the aforementioned cases. Everyone can use global variables, both inside and outside of functions.
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