Answer:
An Excel spreadsheet will help her
consider a disk with a sector size of 512 bytes, 2,000 tracks per surface, 50 sectors per track, and five double-sided platters. what is the capacity of a track in bytes?
The capacity of a track in bytes is (25 k , 50000 k).
What is capacity of a track?The permitted load at which a bearing's outer ring and its mating surface can tolerate continuous use over an extended length of time is known as the track load capacity.The hard drive's overall megabyte capacity is determined as follows: Megabytes are equal to (512 * cylinders * heads * sectors-per-track) / (1024 * 1024). The reason behind the number 512 is that most hard disks have 512 bytes per sector.Because a block size cannot be greater than a track's size, which is 25600 bytes, 51200 is not a legal block size in this situation.To learn more about capacity of a track refer to:
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brad launches a program in order to see all of his files, folders, and programs in one place. which element of the microsoft windows operating system is brad using? file explorer (formerly windows explorer) windows shell taskbar security and maintenance
Brad is using file explorer (formerly windows explorer) element of the Microosoft windows operating system.
What is an element?
In computing, the word "element" designates a more compact part of a larger system. An array is a list of distinct elements or pieces of data that is stored in computer programming.
Technical coding elements, such as executable binary code, computer programming language code, illustrative pseudo-code, XSD, RNG, or DTD schema fragments, SQL or XQuery queries, or markup fragments that are a part of an XML document instance, are only allowed in the <code> element.
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compared to other data structures, this dbms structure is more flexible and stores data as well as instructions to manipulate the data.
Object-oriented databases is more flexible and stores data as well as instructions to manipulate the data.
A system known as an object database uses object-oriented programming to represent data in the form of objects. Different from relational databases, which are table-oriented, are object-oriented databases.
The concept of object-oriented programming languages, which is currently popular, is the foundation of the object-oriented data model. Overloading, polymorphism, and inheritance Object-oriented programming fundamentals that have found use in data modelling include object-identity, encapsulation, and information hiding with methods to provide an interface to objects. The rich type system, which includes collection and structured types, is supported by the object-oriented data model as well.
In contrast to relational databases, which can only handle one type of data, object databases can handle multiple data types. Unlike conventional databases like hierarchical, network, or relational, object-oriented databases can handle a variety of data types, including text, numbers, images, voice, and video.
Also, Reusable code, realistic modelling, and increased dependability and flexibility are all provided by object-oriented databases.
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In a nested loop, the inner loop goes through all of its iterations for each iteration of the outer loop. True or false?.
True
To get the total number of iterations in a nested loop, add the number of iterations in the inner loop to the number in the outer loop.
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the customer table contains a foreign key, rep num, that must match the primary key of the rep table. what type of update(s) to the customer table would violate the foreign key constraint?
A foreign key constraint, on the other hand, creates a connection between two distinct tables in order to specifically identify a row of the same table or another table.
The essential building blocks for creating a relationship between two tables are crucial in MySQL.
A database's foreign key is a collection of one or more columns used to uniquely identify a database record in a different table and preserve referential integrity. It is sometimes referred to as the reference key since it creates a connection between two different database tables.
The primary key column in another table must always match the foreign key column. It denotes that a primary key column of one table is referenced by a foreign key column in another table. When normalizing a relational database, a foreign key is useful, especially when we need to access data from other tables.
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Marcus wants to create a spreadsheet with names, street addresses, city, and state for a mailing list. all those on the list will have the same city and state. which tool would be the best to use to quickly enter that information? flash fill autocomplete autofill tell me bar
Autofill
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what is the minimum number of cycles needed to completely execute n instructions on a cpu with a k stage pipeline? justify your formula.
The minimum number of cycles needed to completely execute n instructions on a cpu with a k stage pipeline is k+(n-1).
What is a pipeline?A pipeline is the mechanism by which a RISC processor executes instructions. By fetching the next instruction while other instructions are decoded and executed, a pipeline speeds up execution. Consider the pipeline to be an automobile assembly line, with each stage performing a specific task in the production of the vehicle.
The circuit is divided into k parts by a K stage pipeline. It is K times faster because each stage has the same transistor delay (ideally). (For example, a conveyor belt system in a car factory)
As we have k stage pipeline. For the first instruction we take k cycles and for the next n-1 instructions we take only n-1 cycles. So the total clock cycles will be k+(n-1).
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redundancy wastes space because you are storing different types of data in the same place. true or false
False. Redundancy is data stored in different places not in the same place.
What are the problems caused by data redundancy?Anomalies in insertion, deletion, and updating.When multiple layers of data management are used to assess the accuracy of the information, intentional data redundancy may result.When a company has backup storage, data redundancy also takes place.Backups serve as copies of the data to lessen problems with the primary database or the data management system.When data is duplicated but doesn't need to be because of bad coding or complicated processes, there is wasteful data redundancy.Positive redundancy in data: This kind of redundancy protects data and encourages consistency.To learn more about Data redundancy refer,
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what are the common disadvantages/issues with locks created through interrupt disabling/enabling mechanism? mark all correct answers.
According to the system. Disabling interrupts is preferable in some real-time processes, but the interval during which they are deactivated MUST be brief enough to prevent problems.
It would respond in 50 microseconds, whereas using an interrupt would take more over 100. I used it once to handle a somewhat messy device (saving and restoring registers and such). Consequently, a loop without interruptions and with a countdown timer. The device was tagged as "offline" and interruptions were enabled again if the countdown limit was reached. Interrupts were re-enabled if the device responded. Thus, interrupt blocking was quicker and took a manageable amount of time so that other devices weren't starved.
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you are considering using wi-fi triangulation to track the location of wireless devices within your organization. however, you have read on the internet that this type of tracking can produce inaccurate results. what is the most important consideration for gett
Create a guest access WLAN that separates guest WLAN traffic from other clients on the same access point and uses open authentication.
The most frequent cause of failure is a lack of user knowledge of the policy's contents. Even the finest security policy can provide a false sense of security that puts crucial assets at risk if user education and enforcement are lacking. One of the most crucial best practices for wireless network security is using a strong password. A strong password consists of a minimum of eight characters, a mix of capital and lower-case letters, numbers, and symbols. To keep passwords secure, they should be changed frequently.
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When designing a security-in-depth strategy, security measures such as firewalls, vpns and sll would be examples of what type of control?.
An SSL VPN is a type of virtual private network (VPN) that uses the Secure Sockets Layer (SSL) protocol – or more commonly its successor, the Transport Layer Security (TLS) protocol – in standard web browsers to provide security. , remote VPN access option.
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challenge not yet complete... here's what's wrong: in the 'single sign-on' permission set, we can't find the expected settings.
A template that specifies a collection of one or more IAM policies is known as an SSO permission set. To grant SSO principals (users or groups) access to one or more AWS accounts, a permission set is applied.
What is SSO permission set?A template that specifies a collection of one or more IAM policies is known as an SSO permission set. To grant SSO principals (users or groups) access to one or more AWS accounts, a permission set is applied.You can develop and manage templates called permission sets that define a grouping of one or more IAM policies. Assigning AWS account access for people and groups in your company is made simpler by permission sets.Checking the "Is Single Sign-on Enabled" permission against a user profile or a permission set is required to enable SSO. All authentication requests will be passed to the DA-SSO gateway URL by Salesforce if a user is associated with a user profile or permission set that supports SSO.To learn more about SSO permission set refer to :
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operator overloading is typically used to group of answer choices make an operator unavailable to a user-defined object redefine how an operator for a built-in object works define the behavior of a built-in operator for a user-defined object define a new operator for a user-defined object
Typically, operator overloading is used to modify how an operator for a built-in object behaves.
What is operator overloading?The way object oriented systems permit the usage of the similar operator name or symbol for numerous operations is through polymorphism (also known as operator overloading). In other words, it enables a operator symbol or name to be connected to many operator implementations.To use a single name and adding extra functionality to it is known as function overloading. Operator overloading refers to giving a certain operator more capability. Whenever an operator is overloaded, its meaning changes depending on the kind of its operands.The fundamental benefit of function overloading would be that it makes code easier to read and reuse. Function overloading is used to improve consistency, readability, and memory efficiency. The program's execution is accelerated by it.To learn more about operator overloading refer to :
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Selah is organizing all of the folders on her computer so she can find everything faster. She decides to make a "Work" folder, which she puts inside a "2021" folder, which she puts inside a "Budget" folder. Which method of organization is she using?
Answer:
Explanation:
Use Subdirectories
The simplest and most obvious advice. Whichever organization system you choose, you'll have to create folders to put your files in. Get in the habit of creating new directories constantly.
C://Budget/2021/Work
suppose a stream can deliver tuples out of order with respect to tuple timestamps. what extra information should the stream provide, so a stream query processing system can decide when all tuples in a window have been seen?
The extra information that should be provided by the stream is as follows: the timestamp for the first tuple and the timestamp for the last tuple.
A query processing system refers to a system that answers a query to an information system or a database, which generally involves interpreting the query, searching data through the storing space, and fetching the results satisfying the query.
Based on the given case where a stream is able to deliver tuples out of order in accordance with the tuple timestamps. In order to make the query processing system display all types in a window, the extra information that should be provided by the stream includes 'the timestamp of the first tuple in the window and the timestamp of the last tuple in the window'. If the stream supplies this extra information, the stream query processing system can decide when all the tuples in a window have been seen.
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True or False. Columns go up and down (vertically).
Answer:true
Explanation:columns are verticle(up and down) and rows are horizontal(side to side)
what is not one of the three risk points for data collected on a wearable device identified by security company symantec?
while attaching the digital certificate to the data is not one of the three risk points for data collected on a wearable device identified by security company symantec.
What is wearable devices?
Goods that can be incorporated into clothing or worn on the body as accessories are known as wearable devices. They are products that are controlled by electronic components and software. Many wearable gadgets have been developed recently, including smartwatches and smartglasses.
What is digital certificate?
Digital certificates, which are often referred to as identity certificates or public key certificates, are a type of electronic password that use the public key infrastructure (PKI), allowing people and businesses to communicate data over the internet in a safe way.
Many self-tracking devices have security flaws, according to Symantec, and applications. One of the most important results was that every wearable evaluated were activity-tracking gadgets, including ones made by renowned manufacturers, are susceptible to being located.
Using Raspberry Pi tiny computers, our researchers created a variety of scanning apparatuses including, by bringing them to sporting events and crowded public areas, discovered that it was able to tracking people.
Symantec discovered flaws in the management and storage of sensitive data, including Poor session management and clear-text password transmission. As we assemble, storing and disseminating more personal information.
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Automation can be of key importance for any organization and administrator. knowing how to set up automated processes can allow for more focus to specialized and important activities which take more of a manual engagement level. choose the best option for an automated process used to backup files. group of answer choices son backup system protection grandfather backup differential backup
Since Automation can be of key importance for any organization and administrator. Automation process used to backup files is option D: differential backup.
Why is automation crucial for a company?By automating business processes, bottlenecks that waste time and money are removed. Every aspect of the firm benefited from the increases in productivity and compliance, which also led to enhanced customer service and performance.
Therefore, Higher productivity, dependability, availability, improved performance, and lower operating costs are all advantages of automated processes. Automation in industrial settings improves production reliability while reducing costs.
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use drag and drop to show the different types of media which can be easily integrated into a site and which ones cannot.
Site Page integration: Chart, Image, Video, and Document
Integration not possible: Flash animation and Game
What is website integration?When your website communicates or receives data from another program, system, or website, this is referred to as website integration. Website integrations are helpful for connecting data from many sources. Combining this data can help you comprehend your clients' needs and behaviors, fill in any operational gaps, and lessen human mistake.You may better manage sales and marketing efforts by integrating your website. Through conversion rate optimization, you may monitor the success of your marketing initiatives when an application is incorporated into your website.The fundamentals of integration revolve around making it easier for your website and another application to exchange data. The two apps can connect thanks to an API (application programming interface). An API key is frequently required in order to access data from another system.To learn more about website integration, refer to
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What factors are most important when designing a computer network? SELECT ALL THAT APPLY
1) the ways in which employees share business documents
2) the type of work done at networked computers
3) the rate of pay for networked employees
4) the number of networked computers
5) the number of hours employees work
6) the number of employees using each computer
The factors are most important when designing a computer network are:
1) the ways in which employees share business documents.
2) the type of work done at networked computers.
4) the number of networked computers.
6) the number of employees using each computer.
What are networks on computers?Computer networking is the term for a network of connected computers that may communicate and share resources. These networked devices transmit data through wireless or physical technologies using a set of guidelines known as communications protocols.
Local-area networks (LANs) and wide-area networks are two fundamental types of networks (WANs). LANs use links to connect computers and peripheral devices in a constrained physical space, like a lab, office, or college campus.
So, If you want a network that is dependable, secure, and efficient, there are four key factors that you must take into mind while designing it. Embedded security mechanisms, software and hardware standardization, network resilience, and redundancy are a few of them.
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is a technique that engineers use to designate common elements across web pages to dynamically load only specific sections of pages, saving time and bandwidth. a.) ajax b.) mosaic c.) netscape d.) java
Dividing up visual content into sections like paragraphs and headings. APIs that are not included by default with your web browser and must be consciously integrated.
JavaScript and SQL are the most often used languages among web developers, according to their research, stated the developers. Other well-known programming languages include Java. C# A dynamic computer programming language is called Javascript. Its implementations enable client-side script to interact with users and create dynamic pages, and it is most frequently used as a component of web pages. It is an object-oriented programming language that may be interpreted. Data can be "displayed" via JavaScript in a variety of ways: using innerHTML to write into an HTML element. Using document, writing into the HTML output. ). Using window.alert() to write to an alert box.
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you are diagnosing a network communication problem on a computer that uses the tcp/ip protocol. what address can you use to test network services without actually accessing the network medium?
127.0.0.1 is the address that we use to test network services without actually accessing the network medium when diagnosing a network communication problem on a computer that uses the tcp/ip protocol.
What is TCP/IP protocol?
TCP/IP specifies how data is transferred from sender to receiver. Application programs first send messages or data streams to one of the Internet Transport Layer Protocols, either the User Datagram Protocol (UDP) or the Transmission Control Protocol (TCP) (TCP).
These protocols receive data from applications, divide it into smaller pieces known as packets, add a destination address, and then forward the packets to the next protocol layer, the Internet Network layer.
The Internet Network layer encloses the packet in an Internet Protocol (IP) datagram, inserts the datagram header and trailer, determines where to send the datagram (directly to a destination or via a gateway), and forwards the datagram to the Network Interface layer.
The Network Interface layer receives IP datagrams and sends them as frames over network hardware such as Ethernet or Token-Ring networks.
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you are working on a project to design a new software for your company to use. creating the software involves an extensive amount of high level coding. this yields for a potentially high risk. how long should your sprints be?
Creating the software involves an extensive amount of high level coding. this yields for a potentially high risk should long sprints be as short as possible.
What does software developmnent means?
Software development is the name given to a group of computer science tasks involved in developing, deploying, and maintaining software. The set of instructions or programs that a computer follows are known as software. It makes computers programmable and is independent of hardware.
What is high level coding.?
Konrad Zuse's Plankalkül was the first high-level programming language intended for computers.
With the exception of Heinz Rutishauser's "Superplan" language and, to a lesser extent, ALGOL, it was not implemented during his lifetime, and World War II effectively cut off his original contributions from other advancements. Fortran was the first widely used high-level language. It was a machine-independent upgrade to IBM's earlier Autocode systems.
The ALGOL family introduced recursion as well as nested functions under lexical scope, with ALGOL 58 defined in 1958 and ALGOL 60 defined in 1960 by committees of European and American computer scientists.
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describe how to perform a removal from a hash table that uses linear probing to resolve collisions where we do not use a special marker to represent deleted elements. that is, we must rearrange the contents so it appears that the removed entry was never inserted in the first place.
We follow the following steps, to perform a removal from a hash table that uses linear probing to resolve collisions where we do not use a special marker to represent deleted elements. that is, we must rearrange the contents so it appears that the removed entry was never inserted in the first place:
Find and remove the desired elementGo to the next bucketIf the bucket is empty, quitIf the bucket is full, delete the element in that bucket and re-add it to the hash table using the normal means. The item must be removed before re-adding because it is likely that the item could be added back into its original spot.Repeat step 2.This technique keeps your table tidy at the expense of slightly slower deletions.
What is linear probing?
In computer programming, linear probing is a technique for dealing with collisions in hash tables, which are data structures for storing a variety of key-value combinations and locating the value corresponding to a particular key. When a collision happens in linear probing, we continue probing until an empty. Although linear probing is simple to compute, clustering is its biggest drawback. It takes time to look for an element or to find an empty bucket since it creates numerous consecutive items that clump together.
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using a web search engine, find an article from a reputable source, published within the past six months, that reports on the risk coming from inside the organization compared to the risk coming from outside the organization. if the article notes that this relative risk is changing, how is it changing and to what is the change attributed?
A D614G (glycine for aspartic acid) substitution that became the predominate polymorphism globally over time was discovered early in the pandemic by a study that tracked amino acid changes in the spike protein of SARS-CoV-2 that was included in a sizable sequence database.
When compared to viruses with the D614 polymorphism, those with the G614 polymorphism exhibit larger quantities of infectious virus in the respiratory tract, improved binding to ACE-2, and better replication and transmissibility in animal and in vitro tests [12,13]. The G614 mutation does not seem to affect anti-spike antibody binding [14] or to be linked to an increased risk of hospitalization [11]. It is now found in the majority of SARS-CoV-2 lineages that are in circulation, including the variants of concern listed below.
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which statement best describes how vpc routers and firewalls work? they are managed by in virtual machines and customers cannot modify them. they are managed by as a built-in feature
The phrase "they are managed by as a built-in feature" best captures how virtual private network routers and firewalls operate.
What is vpn and firewall?For packets going to and from VM instances, both VPC firewall rules and hierarchical firewall policies are in effect. Even when traffic is only moving between VMs within the same VPC network, these types of firewalls nonetheless regulate it.Based on a configuration you define, VPC firewall rules enable you accept or restrict connections from or to the virtual machine (VM) instances. Regardless of its configuration or operating system, instances are always protected by enabled VPC firewall rules, even if they have not yet started up.In your VPC, you employ a firewall for each Availability Zone. You select a subnet to house a firewall endpoint which filters your traffic for each Availability Zone.To learn more about vpn firewall refer to :
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you have a dvd-rom disc with no label, and you want to know if it has any important files on it. you insert the dvd-rom into your optical media drive, then you double-click the drive letter for the optical drive to see the contents of the disc. if the dvd-rom is not a valid disc, which error message will you see?
When you have a DVD-ROM disc with no label, and you want to know if it has any important files on it and after you insert the DVD-ROM into your optical media drive, then you double-click the drive letter for the optical drive to see the contents of the disc and if he DVD-ROM is not a valid disc, it will display the error message "no media".
What is an error message?
When an unexpected issue arises, information is shown in the form of an error message, typically on a computer or other device. Error message is frequently shown using dialog boxes on contemporary operating systems with graphical user interfaces. An error message is, to put it simply, a message that is delivered to the user by an operating system or program whenever an unexpected circumstance occurs. Error message is necessary to pass crucial cautions or when user intervention is required.
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i need help on 4.9 lesson practice:
{A __________ variable is used to keep track of the number of loops that have been executed.}
A Consistent variable is used to keep track of the number of loops that have been executed.
What variable maintains track of how frequently a procedure is run?The term constant's value does not alter over time. On the other hand, a variable's value is one that tends to varies depending on the equation.
Therefore, note that all of those portions use a counter variable. This variable, which is frequently called I keeps track of the current repetition. The counter variable is one that is often given a beginning value during the course of the initialization phase.
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Answer:
"Count" variable
Explanation:
Technically, the correct term IS consistent variable but for some reason Project Stem's answer is count
what is a word used in a performing a search? group of answer choices search engine optimization keyword paid search organic search
A word used in a performing a search is referred to as a: B. keyword.
What is a search engine?
A search engine simply refers to a software program that is designed and developed to search the World Wide Web (WWW) and identify items that correspond to the keywords (string of characters), which must be specified by an end user.
What is a keyword?In Computer technology, a keyword can be defined as a word in a sentence or phrase that is considered to be of greater significance than the other words, and as such, it can be used by any end user to perform a search in a search engine.
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what happened when the fbi asked apple to create a new version of the ios operating system was would allow the fbi to gain access to the locked iphone of syed rizwan farook?
Apple rejected the demand and decided to take the FBI to court. According to the individual.
The F.B.I. was not requesting that Apple develop a so-called backdoor or other technological workaround to Apple's encryption that would have to be made available to the government. The official claimed that the government is actually interested in the data on the two phones. The FBI replied by successfully requesting a court order from Sheri Pym, a United States magistrate judge, requiring Apple to produce and release the required software. The order was issued under the All Writs Act of 1789 and was not a subpoena. The most recent iPhone models are compatible with these gadgets, and Cellebrite claims to be able to unlock any iPhone for law enforcement.
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