A secondary key is defined as a key that is used strictly for data retrieval purposes.
Secondary data is data obtained from the results of previous studies. Generally, this type of data has information in the form of "referenced, quoted, or reported". This proves if the researcher does not get the data obtained from the main source.
Key Types in Relational Databases
In relational method, there are 6 known keys which will be explained as follows:
Candidate Key, one of a series that has a unique value to distinguish or identify.Primary Key, attribute Is a candidate key that has been selected to uniquely identify each record.Alternate key, Unselected candidate key.Foreign Key, a collection of fields in one relation that is used to "refer" (point) to a row (tuple) in another relation (must correspond to the primary key in the second relation).Secondary key, an attribute or combination used only for data retrieval purposes.Composite key, a key consisting of 2 or more attributes that uniquely identify an entity occurrence.You can learn more about Relational Databases here https://brainly.com/question/13262352
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Companies use ________ as marketing communication channels discussing everything from corporate strategies to detailed product overviews. multiple choice
a. podcasting
b. web
c. browsing
d. iming
e. email
Companies use podcasting as marketing communication channels discussing everything from corporate strategies to detailed product overviews.
What is podcasting?Podcasting can be defined as a digital communication process that typically involves converting an audio broadcast to audio files which are then integrated into digital music player.
In Business management, an effective and efficient use of podcast would generally help a business organization to increase its marketing research and build loyalty among its customers.
In this context, we can reasonably infer and logically deduce that different business organizations can use podcasting as marketing communication channels to discussing everything about their business.
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Which internetworking device makes computers that are connected to separate segments appear and behave as if they're on the same segment?
NIC Ports use which RJ connector? RJ-45 internetworking device makes computers that are connected to separate segments appear and behave as if they're on the same segment.
There's a lot of confusion out there about which NIC ports use which RJ connectors. RJ-45 internetworking devices make computers that are connected to separate segments appear and behave as if they're on the same segment. So, which one do you use?
The answer is actually quite simple. If you're connecting two computers together, you'll need to use an RJ-45 cable. If you're connecting a computer to a modem or router, you'll need to use an RJ-11 cable.
RJ-45 cables are actually quite common and can be found at most electronics stores. If you're not sure which one you need, just ask a sales associate for help.
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How do you connect a dvi-a interface on a peripheral to a dvi-d interface on the computer?
Based on the above, the answer is option C: You wouldn't interconnect those two interfaces.
What is the DVI-A interface about?Note that in t he connection of the DVI-A interface, Such a connection need not to be made.
DVI-I cables are known to be tools that act like universal cables as they are known to be able can link two DVI-A interfaces or two DVI-D interfaces with adapters.
Note that in real sense, they are used to link two DVI-I interfaces, both of which are said to be configured as analog or digital.
Therefore, Based on the above, the answer is option C: You wouldn't interconnect those two interfaces.
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How do you connect a DVI-A interface on a peripheral to a DVI-D interface on the computer?
A. With a DVI-I cable
B. With a cable that is terminated on one end with a DVI-A connector and on the other
end with a DVI-D connector
C. You wouldn’t interconnect those two interfaces
D. With a standard DVI cable
Understanding the logic and processes computers use to solve problems and run programs is known as:_________
Answer:
Computational Thinking
Explanation:
In contrast to objects in object-oriented development, service-oriented development has these distinct features?
In contrast to objects in object-oriented development, service-oriented development has these distinct features
A service has a language-independent interface; and proxy to the service is created in the application.
Service-Oriented Development
In contrast to objects in object-oriented development, service-oriented development has these distinct features:
1. A service has a language-independent interface.
2. A proxy to the service is created in the application and the application can access the service through the proxy.
Service-oriented development is a way of designing and developing software that focuses on creating services that can be reused by different applications. This approach to software development is gaining popularity as it can offer many benefits, such as increased flexibility and agility, lower costs, and improved overall quality.
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Which windows feature, introduced in windows 95, helped eliminate device resource conflicts and precluded manual device configuration with jumpers?
The windows feature, introduced in windows 95, helped eliminate device resource conflicts and precluded manual device configuration with jumpers is known to be called option b. Plug and Play.
What is meant by plug and play?Plug and Play (PnP) is known to be an aspect of Windows that helps any computer system to be able to adapt to hardware alterations with low intervention by a given user.
Note that user is one who can be able to can add as well as remove devices without to use of manual configuration, and without having the knowledge of computer hardware.
Hence, The windows feature, introduced in windows 95, helped eliminate device resource conflicts and precluded manual device configuration with jumpers is known to be called option b. Plug and Play.
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Experience does not always help us to grow. often we go through experiences that should develop us but they do not. why do they not help us to grow? what holds us back?
Experience does not always help us to grow because we are said to be immature and as such the thing that holds us back is immaturity or lack of sensitivity.
What is an immature person like?A person who is known to be Emotionally immature is said to be a person who lack some forms of emotional as well as social skills and have trouble communication to other adults.
Note that some kind of behaviors can be a signal that a person have no experience and as such, Experience does not always help us to grow because we are said to be immature and as such the thing that holds us back is immaturity or lack of sensitivity.
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where do i click next to get to the following window? a. change settings b. system protection c. advanced system settings d. device manager
The option to click to get to the next window is option c. advanced system settings.
What is the aim of System settings?System is known to be the first, as well as one one of the most vital , areas that is found inside of the Settings app.
Note that it is said to be the place where a person can be able to find the most basic form of settings to be able to customize your computer, such as display, notifications, apps, and others.
Therefore, The option to click to get to the next window is option c. advanced system settings.
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Write an if/else statement that adds 1 to minors if age is less than 18, adds 1 to adults if age is 18 through 64 and adds 1 to seniors if age is 65 or older.
The question requires to write an if/else statement in which age is checked based on certain conditions.
The following are the conditions given in this question:
If value of variable age is less than 18, one is added to the value of variable minors. If value of variable age is between 18 and 64 inclusively, one is added to value of variable adults. If value of variable age is greater than 65, the variable seniors is incremented by one.Now, we need to use if-else statement to solve this probelm via C++ programming language.
if (age<18) // checks if age is less than 18
minors++; /*if condition given in “if” is true then this statement runs and 1 is incremented to the value of minors.*/
else if (age>=18 && age<=64) /*this statement evaluates the variable age and check if its value is from 18 to 64. If it is true, then control goes inside its body*/
adults++; /*runs and increments 1 to the value of adults only when the above “if” condition is true*/
else /*this else only runs when above both conditions are false and do not run.*/
seniors++; /* it adds 1 in the value of variable seniors*/
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User is blaming the internet-facing firewall for the issue, which of following can be used to assist in troubleshooting issue
The user is blaming the firewall that faces the internet; analyzing the user's firewall logs can help troubleshoot the problem. Traffic entering and leaving the network is monitored by a firewall. A firewall is built to block connections from suspicious networks.
How the firewall controls different traffic types is documented by the logging feature. Users can utilize the logs to investigate an attack since they give users details like source and destination IP addresses, protocols, and port numbers.
Follow the link below to see the threats to which a firewall counters
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The 1980s saw a sharp decline in revenues and viewership of major networks with the advent of what?
The 1980s saw a sharp decline in revenues and viewership of major networks with the advent of what?
The answer is simple: cable television.
Cable television was introduced in the late 1970s, and it quickly became popular. By the early 1980s, nearly 50% of American households had cable television.
Cable television offered many advantages over traditional broadcast television. For one, it had far more channels, which meant that viewers had more choices.
In addition, cable television was also less expensive than broadcast television. This made it more attractive to viewers, especially those on a tight budget.
Finally, cable television had better picture and sound quality than broadcast television. This made it more enjoyable to watch.
As a result of all these factors, the 1980s saw a sharp decline in revenues and viewership of major networks. This trend has continued to the present day.
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___ tags, such as those present in many automated toll collection systems, can be scanned from longer distances and at higher speeds than barcodes.
Answer:rfid
Explanation:
Which combining form is spelled incorrectly? group of answer choices gynic/o carcin/o nephr/o laryng/o
The combining form is spelled incorrectly is known to be called gynic/o .
What is combining form in medical terminology?The term Combining Forms is known to be one that is linked to the Correct pronunciation of all of medical words and it is known to be important.
For a person to be able to make the pronunciation of word roots to be easy, sometimes it is needed to place a vowel after the root.
Therefore, based on the above, The combining form is spelled incorrectly is known to be called gynic/o .
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Each 5g device has a unique internet protocol (ip) address and appears just like any other wired device on a network. True or false
Each 5g device has a unique internet protocol (ip) address and appears just like any other wired device on a network is a true statement.
What is a unique internet protocol (ip) address?An IP address is known to be a very special kind of address that is known to be used to tell about a device on the internet aa well as on a local network.
Note that the IP connote the term "Internet Protocol," which is seen as the group of rules that are used in governing the format of data that is said to be sent through the internet.
Therefore, Each 5g device has a unique internet protocol (ip) address and appears just like any other wired device on a network is a true statement.
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While verifying windows settings, you discover defragmenting is turned off for the hard drive. what do you do next?
While verifying windows settings, you discover defragmenting is turned off for the hard drive. The thing to do next is to Check the type of hard drive installed.
Does Windows automatically defrag SSD?Windows Settings is known to be an aspect or a component of Microsoft Windows.
Note that it is one that gives room for It users to be able to make some changes to their preferences, configure their operating system, and others.
Note that windows can defragment SSD and the use of Windows versions, such as Windows 10 gives its built-in disk defraggler and with which anyone can be able to preset defrag frequency.
Therefore, While verifying windows settings, you discover defragmenting is turned off for the hard drive. The thing to do next is to Check the type of hard drive installed.
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While verifying Windows settings, you discover defragmenting is turned off for the hard drive. What do you do next?
Immediately defrag the drive.
Turn on defragmenting.
Analyze the drive for errors.
Check the type of hard drive installed.
Why is an iceberg, most of which is underwater, an appropriate analogy for the consequences of a cyberattack?
An iceberg, most of which is underwater, is an appropriate analogy for the consequences of a cyberattack because option b: most people only think of the direct impact of the attack, not the many other, oft-hidden effects.
Why is an iceberg about?Density is known to be a term that helps to explains why a lot of an iceberg is said to be found beneath the ocean's surface.
Note that a cyberattack is said to be any kind of offensive alteration or movement that tends to targets computer information systems, computer networks, and others. It is known to be hidden underneath like the iceberg.
Therefore, An iceberg, most of which is underwater, is an appropriate analogy for the consequences of a cyberattack because option b: most people only think of the direct impact of the attack, not the many other, oft-hidden effects.
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Why is an iceberg, most of which is underwater, an appropriate analogy for the consequences of a cyberattack?
A. most large businesses conceal the effects of cyberattacks from the public
B. most people only think of the direct impact of the attack, not the many other, oft-hidden effects
C. most of the consequences of a cyberattack cannot be assessed in terms of costs to a business
D. An iceberg is not an appropriate analogy for the consequences of a cyberattack.
When conducting memory and recall tests, some people make an effort to normalize memories by not reporting extreme cases. this lapse is referred to as:________
When conducting memory and recall tests, some people make an effort to normalize memories by not reporting extreme cases, this lapse is referred to as: averaging.
What is memory?In Psychology, memory can be defined as the ability of a living organism such as a human being to take in information through encoding, store it and then retrieve (recall) this piece of information at a latter time in the future.
Generally speaking, some of the effective and efficient ways to improve memory include the following:
Peg word systemElaborative rehearsalDrill and practiceIn conclusion, averaging simply refers to the lapses that arises when a person normalizes memories by not reporting extreme cases.
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Describe the changing role of the computer user
The changing role of the computer user is that they are involved in the
The Development of SoftwareMaintenance of system as well as software, etc.What is the role of user in system development process?User involvement can be a tool that can help lower or even remove the clash that tend to exist between users and system developers in the any system function.
Note that by working with users, system developers are able to find data as well as information direct from the users; know the needs of the users and help the said users to have a good understanding of the new system.
Therefore, The changing role of the computer user is that they are involved in the
The Development of SoftwareMaintenance of system as well as software, etc.Learn more about computer user from
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____ software is a collection of computer programs that manages the resources of the computer and facilitates access to those resources.
System software is a collection of computer programs that manages the resources of the computer and facilitates access to those resources.
What is System software?System software is known to be a kind of a computer program that is known to be set up so that they can be able to run a computer's hardware as well as the application programs.
Note that if a person look at the computer system as a kind of layered model, the system software is one that can be referred to as the interface that exist between the hardware and user applications.
The operating system is said to be a good example of system software.
Therefore, System software is a collection of computer programs that manages the resources of the computer and facilitates access to those resources.
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What form of addressing uses 32 bits, subnetting, and suffers from a lack of integrated security?
The form of addressing that uses 32 bits, subnetting, and suffers from a lack of integrated security is option d) Static.
What is subnetting used for?Subnetting is known to be a term that gives room for network administrators to be able to lower network-wide threats by the act of quarantining compromised areas of the network.
It is one that is often done by making it more hard for trespassers to transfer around an organization's network.
Hence, The form of addressing that uses 32 bits, subnetting, and suffers from a lack of integrated security is option d) Static.
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Which form of addressing uses 32 bits and subnetting, but suffers from a lack of integrated security?
a) Internet Protocol version 4 (IPv4)
b) Internet Protocol version 6 (IPv6)
c) Media Access Control (MAC)
d) Static
Which type of selector would you use to refer to a specific html element? a type selector an id selector a class selector a span selector
Answer:
Umm. Class selector
Explanation:
Hope this helps
To refer to a specific HTML element, an ID selector is used, pinpointing a unique identifier assigned to that element. Therefore, option B is correct.
The ID selector, a potent tool in the realm of web development, bestows a distinctive identity upon an HTML element like a virtual nameplate. Employing a unique identifier, denoted by the "id" attribute, it marks a solitary element within the web page.
This identifier acts as a beacon in the vast digital landscape, facilitating targeted manipulation through CSS and JavaScript. Like a guiding star, the ID selector allows developers to precisely style, modify, or interact with a specific element, enhancing user experience and rendering personalized touches to the web page's design and functionality with surgical precision.
Therefore, option B is correct.
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To optimize the flow of data into and out of the cpu, the modern mcc provides at least _______________ of data every time the cpu requests information from ram
The current MCC provides at least 64 bits of data each time the CPU seeks information from the memory in order to optimize the flow of data into and out of the CPU.
What is a bit?A bit exists as a binary digit and the smallest unit of data in a computer. A bit can only store one of the two possible values—0 or 1, which stand for the electrical states of off and on, respectively. Because bits exist so small, you seldom ever work with information one bit at a time.
A bit is the smallest amount of information that a computer can process and store (binary digit). A bit exists always in one of two physical states, similar to an on/off light switch. The state exists characterized by a single binary integer, which is often a 0 or 1.
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An instruction set has 8 steps and each step takes one clock cycle. What is the number of cycles needed to complete the instruction set using pipelined process to complete 100 instruction sets?
The number of cycles that is said to be needed to complete the instruction set using pipelined process to complete 100 instruction sets is 800.
What do you mean by instruction set?An instruction set is known to be a set of commands that is known to be made for a central processing unit (CPU) in regards to machine language.
Note that it is one that is seen or connote any form of possible instructions that is made for a CPU or a sub group of instructions that is often used to enhance its performance in some situations.
Note also that CPU clock cycles = Instruction count x CPI.
100 X 8 = 800
Therefore, based on the above, The number of cycles that is said to be needed to complete the instruction set using pipelined process to complete 100 instruction sets is 800.
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Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the internet, and related technologies. group of answer choices
a. true
b. false
Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the internet, and related technologies is option b: false statement.
What is meant by digital literacy?
Digital literacy is known to be a term that connote when a person is said to be having the skills that they need to live, learn, as well as work in a society where communication as well as access to information is known to be increasingly via the use of digital technologies such as internet platforms, social media, and others.
Therefore, Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the internet, and related technologies is option b: false statement.
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The growing network of interconnected devices embedded in objects that speak to one another is known as _______.
The growing network of interconnected devices embedded in objects that speak to one another is known as The Internet of Things (IoT).
What is Internet of Things IoT system?The term IoT is known to be the short term for the words group Internet of Things.
This is known to be a kind of a collective network that is known to be made up of connected devices as well as the technology that tend to boast communication that often exist between devices and the cloud.
The Internet of Things is a network of linked objects that are known to be able to gather and exchange data in real time via the use of embedded sensors.
Therefore, The growing network of interconnected devices embedded in objects that speak to one another is known as The Internet of Things (IoT).
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If you want to become a digital citizen, you only have to buy a piece of technology. True or false?.
If you want to become a digital citizen you only have to buy a piece of technology is a false statement.
What does it means to be a digital citizen?Digital Citizenship is known to be a term that connote the ability of a person to be able to engage positively in conversations that are known to be made critically and competently in regards to the digital world.
Note that it is one that is said to be drawing on the use of the skills of effective communication as well as creation, to work on the forms of social participation that are said to be respectful of human rights as well as the dignity via the use of technology.
Therefore, saying that If you want to become a digital citizen you only have to buy a piece of technology is a false statement because not buying it makes you one but using it.
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Identify the sampling method that was used. ten homeowners from each subdivision in a town are asked their opinion of the new recycling program
Based on the above that that ten homeowners from each subdivision in a town are asked their opinion of the new recycling program, the sampling method that is used is Stratified sampling method.
What is stratified sampling?The term stratified sampling is known to be one that is often by a lot of researchers share subjects into what we call a subgroups known as strata by the use of the characteristics that they known to share (such as race, gender, educational attainment and others.
Note that if they are shared or divided, all of the subgroup is said to be randomly sampled via the use of another probability sampling method.
Therefore, Based on the above that that ten homeowners from each subdivision in a town are asked their opinion of the new recycling program, the sampling method that is used is Stratified sampling method.
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The ________ provides a portion of the system call interface for unix and linux. a) posix b) java c) standard c library d) standard api
The Option c) standard c library provides a portion of the system call interface for Unix and Linux.
What is the C standard library?This is known to be a kind of a Computer program. The C standard library is one that is often called the libc.
It is known to be the standard library that is said to be made for the C programming language, as stated in the ISO C standard.
Therefore, The Option c) standard c library provides a portion of the system call interface for Unix and Linux.
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calculate the ideal mechanical advantage of the inlcined plane system.
Answer:
To find the ideal mechanical advantage of an inclined plane, divide the length of the slope by its height. An inclined plane produces a mechanical advantage to decrease the amount of force needed to move an object to a certain height; it also increases the distance the object must move
Explanation:
hope that explains it
Inserting an item at the end of a 999-item array requires how many items to be shifted?
0 things need to be moved. A new item is simply added to the end of the array when it is appended. Existing objects don't need to be moved.
What is an array?A number of components are organized into an array data structure, sometimes referred to as an array, which is a form of data structure used in computer science. Each component is identified by a distinct array index or key.
A mathematical formula may identify the position of each element in an array given its index tuple. An array is a collection of elements with the same type that are kept in close proximity to one another in memory and may be individually referred to using an index to a unique identifier. Declaring an array of five int values eliminates the need to declare five different variables (each with its own identifier).
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