The EXISTS operation determines how many rows a subquery has returned. The result is true and a row is added to the result table if the subquery returns one or more rows; otherwise, the result is false and no rows are added to the result table.
Compare two or more columns if you want to. We must utilize logical operators to create a compound WHERE clause. We can merge duplicate WHERE conditions into a single WHERE clause by using multiple-column subqueries. To eliminate every record from a table and release the space it occupies, use the SQL TRUNCATE command. An invoice is a detailed list that shows exactly what goods or services we sent our clients.
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What happened to the patent awarded to Mauchly and Eckert?
The thing that happen to the patent awarded to Mauchly and Eckert is that the business was sold to Remington Rand in 1950. Remington Rand ultimately combined with Sperry Corporation to form Sperry Rand, which is still in business today as Unisys.
What is the Arguments about patents about?The ENIAC patent held by Mauchly and Eckert was declared invalid by the U.S. Federal Court in October 1973 for a number of reasons. Some related to the interval between the First Draft's publication and the patent filing date (1947).
The Electronic Numerical Integrator and Computer (ENIAC), the first general-purpose electronic digital computer finished in 1946, is said to have been credited to scientists such as John William Mauchly and J. Presper Eckert.
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smartphone users may be able to share the internet connection of their device via a cable, bluetooth, or wi-fi in a process known as select one: a. tethering. b. binding. c. hitchhiking. d. piggybacking.
Answer: the answer to that is A
Explanation:
Order the steps to create an external reference in Excel.
Worksheet reference
[workbook reference]
function in CAPS
$range$
=
In order to create an External reference in Excel, the following steps must be taken:
Select the cell or cells where you want to create the external reference. Type = (equal sign). Switch to the source workbook, and then click the worksheet that contains the cells that you want to link. Press F3, select the name that you want to link to, and press Enter.What is an external reference?An external reference (also known as a link) is a reference to a cell or range in another Excel workbook or a reference to a specified name in another workbook.
External references are very useful when huge worksheet models cannot be kept together in the same workbook.
Combine data from many workbooks You may connect workbooks from different users or departments and then combine the relevant data into a summary worksheet. You won't have to manually edit the summary workbook if the source workbooks change.
Make many views of your data. You may enter all of your data into one or more source workbooks, then construct a report workbook with only the relevant external references.
Large, complicated models should be simplified. You can work on a complicated model without opening all of its associated sheets by breaking it down into a series of interdependent workbooks.
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Answer: =
Function in CAPS
Workbook reference
Worksheet reference
$Range$
Explanation:
a(n) is a program that simultaneously translates and executes each instruction in a high-level language program. question 67 options: assembler interpreter compiler lexical analyzer
a(n) program known as an interpreter simultaneously interprets and executes each instruction in a high-level language program.
Only binary code can be read by computers and executed. C, Python, and Java are examples of high-level programming languages used by programmers. These languages are simpler to use since they mimic both mathematical notation and human languages. The code created in a high-level language, however, cannot be executed by computers. It needs to be converted into binary code first. Compilers and interpreters are used to do this. Compilable languages are those whose programs are typically created by compilation. The same term is used to describe languages that humans typically interpret. A programming language that is generally interpreted rather than compiled into machine instructions is known as an interpreted language. It is a type of program where the instructions are read by another program and then executed, rather than being carried out directly by the target machine.
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Which category of software maintenance responds to and fixes errors that occur when the software is being used?
A.
corrective
B.
adaptive
C.
perfective
D.
preventative
Answer:
B. Adaptive
Explanation:
According to Baytech Consulting, adaptive maintenance is the modification of software to keep it usable after a change to its operating environment. Many factors can change an application’s environment, including new technical knowledge, hardware and security threats.
1. the first method that you will need to create is to calculate the y value of a line, given by the slope(m), the x value (x) and the y intercept (b). your method should be named linevaluefory with a return type of double. y. your method should accept 3 parameters, all of type double. the first parameter will be the slope of the line (name this parameter m), the second parameter should be the x value (name this parameter x) and the last parameter should be the y intercept (name this parameter b). the formula to calculate the y value is y
The point (6, 4/9) can be located on an unlimited number of lines, even if it is the most straightforward function imaginable, a linear function. the horizontal line, such as y=4/9. or the line x=6 vertically.
Without a slope for the line or another point from which we may establish the slope, we can only write a general form, such as y-4/9=m, even if the line is neither vertical nor horizontal (x–6).
Assume, for instance, that the slope is 2. The equation then becomes y-4/9=2(x-6), or 9y-4=18x-108, which can be written as 18x-9y=104. When you know the slope of the line to be investigated and the given point is also the y intercept, you can utilize the slope intercept formula, y = mx + b. (0, b). B stands for the value of the intercept point in the formula.
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You come across a photo of a sensor unit placed in a desert. The unit was placed there to measure
weather conditions. Atop the unit is a shiny, flat panel facing the sky. It is a solar panel. What element of
the sensor's functions does it serve?
mobility
O communications
O security
O control
O power source
The shiny plate over the top will serve as power source. The correct option is E.
What is solar panel?Solar panels are devices that capture the sun's rays and convert them into electricity or heat.
A solar panel is a grouping of solar (or photovoltaic) cells that can be used to generate electricity via the photovoltaic effect.
Solar panels are flat and somewhat gleaming, but they are intended to capture light rather than reflect it. In fact, photovoltaic panels produce less glare than standard home window glass.
A shiny, flat panel facing the sky sits atop the unit and serves as a power source for the sensor's functions.
Thus, the correct option is E.
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Which device would allow an attacker to make network clients use an illegitimate default gateway?
The device that would allow an attacker to make network clients to use an illegitimate default gateway is option B: DHCP server
What is DHCP and why it is used?This is known to be a kind of an automatic distribution and assignment of IP addresses, default gateways, and other network characteristics to client devices is performed by a DHCP server, that is a type of network server.
To reply to broadcast requests from clients, it uses the widely used Dynamic Host Configuration Protocol, or DHCP.
A network protocol called Dynamic Host Configuration Protocol (DHCP) is used to set up network devices for IP network communication.
Therefore, A DHCP client obtains configuration data from a DHCP server via the DHCP protocol, such as the use of an IP address, any kind of default route, as well as one or a lot of DNS server addresses.
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See full question below
Which device would allow an attacker to make network clients use an illegitimate default gateway?
a. RA guard b. DHCP server c. Proxy server d. Network-based firewall
you plan to deploy the following azure web apps: webapp1, that runs on windows server 2016 webapp2, that runs on windows server 2022 webapp3, that runs on ubuntu server webapp4, that runs on red hat enterprise linux you need to create the app service plans for the web apps. what is the minimum number of app service plans that should be created? select only one answer. 1
you plan to deploy the following azure web apps: webapp1, that runs on windows server 2016 webapp2, that on ubuntu server webapp4.
Developers can create mobile or web apps using the hosting option offered by Azure App Services. In addition to this, developers may use it to create Logic apps or API apps that integrate with SaaS. Azure App Services is the single offering that replaces a number of different Azure services, such as Azure Website, Azure Mobile Services, and Azure BizTalk Services. App Service enhances your application's security, load balancing, auto-scaling, and automated management capabilities. It also provides DevOps features, such as continuous deployment using Azure DevOps, GitHub, Docker Hub, and other sources, package management, staging environments, custom domains, and TLS/SSL certificates.
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_____ are pieces of information that can be sent to a function
Parameters are pieces of information that can be sent to a function.
What is a function parameter?A function parameter is a special kind of variable which is used in a function by a software developer (programmer) to point to a data that is provided as input into the function.
This ultimately implies that, a function parameter is always capable of passing data to a function as an input, whenever it is called.
In this context, we can reasonably and logically deduce that a parameter is any information that can be passed to a function when it is called.
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implement product.c with the following specifications: the program will accept a single command line argument representing the path to a text file containing the values of these integers. there will be one integer per line. the values of the integers will be between 1 and 20. there will be ten lines. the program will read these ten integers from the text file in part a into an array of integers. the program will print out the sum of these intergers on one line. the program will print out the product of these integers on the next line.
The program will accept a single command line argument representing the path to a text file containing the values of these integers.
Zero, a positive natural number, or a negative integer denoted by a minus sign are all examples of integers. The inverse additives of the equivalent positive numbers are the negative numbers. Because they don't support decimal points, integers are numbers without a fractional component. These various sorts of integers are defined by certain computer languages but not by others.
num = int(input("Please type in a number:"))
n=0
while num>n:
a = num%10
num -= a
num = num/10
print(a)
n = n + 1
print(n)
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sam chan (schan) has reached his user quota limit. he wants more space. your manager has approved an increase in his quota limit. in this lab, your task is to: increase the hard and soft block limits on the schan user account to 1048576 kb (1 gb). after you've finished, generate a quota report to confirm the changes.
To be able to increase the hard and soft block limits on the schan user account to 1048576 kb (1 gb), the thing to do is Increase the schan user account's hard and soft block limitations to 1048576 Kb (1 Gb). Create a quota report after you're done to verify the modifications.
What is computer quota?On contemporary operating systems, a disk quota is a cap established by a system administrator that limits particular characteristics of file system usage. Disk quotas are used to allocate constrained disk space in a rational manner.
Whether you produce or access files from Linux or Windows, your quota determines how much space you have for storing them. The quantity of storage space for files depends on the ECS file servers' available disk space as well as the kind of computer account you have. Each computer account has a hard drive and a memory.
Hence, Disk quota is a configuration option on file servers that keeps track of your usage of file capacity or file counts and places a limit on your ability to write data to a file system when that setting's specified threshold is reached.
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What term was used to describe the multiple, proprietary databases with years of data and varying datafields that are part of a federated approach to access data in existing applications?.
Legacy data is a terminology which was used to describe the multiple, proprietary databases with years of data and varying datafields that are part of a federated approach to access data in existing software applications.
What is a database?A database simply refers to an organized and structured collection of data that're stored on a computer system as a backup and they're usually accessed electronically.
What is data?Data refers to any representation of factual instructions (information) in a formalized and structured manner, especially as a series of binary digits (bits) or strings that are used on computer systems in a company.
The types of data.In Computer technology, there are two main types of data and these include the following:
Analog data.Digital data.In Database management system (DBMS), a term which describes multiple, proprietary databases comprising several years of data, as well as varying datafields.
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write the definition of a class named weatherforecast that has the following methods: • an init method that initializes the following attribute variables: an attribute variable named skies should be assigned an empty string. an attribute variable named high should be assigned the value 0. an attribute variable named low should be assigned the value 0. • a method named set skies that accepts an argument that should be assigned to the attribute variable skies. • a method named set high that accepts an argument that should be assigned to the attribute variable high. • a method named set low that accepts an argument that should be assigned to the attribute variable low. • a method named get skies that accepts no arguments, and returns the value of the skies attribute. • a method named get high that accepts no arguments, and returns the value of the high attribute. • a method named get low that accepts no arguments, and returns the value of the low attribute.
The program for the definition of a class named weatherforecast will be:
class WeatherForecast:
#method that initializes the attribute variables:
def __init__(self):
self.skies=""
self.high=0
self.low=0
# argument's value is assigned to the attribute variable skies.
def set_skies(self, skies):
self.skies=skies
# argument's value is assigned to the attribute variable high.
def set_high(self, high):
self.high=high
# argument's value is assigned to the attribute variable low.
def set_low(self, low):
self.low=low
# returns the value of the skies attribute
def get_skies(self):
return self.skies
#returns the value of the high attribute
def get_high(self):
return self.high
#returns the value of the low attribute
def get_low(self):
return self.low
What is a program?A program is a precise set of ordered operations that a computer can undertake.
The program in the modern computer described by John von Neumann in 1945 has a one-at-a-time series of instructions that the computer follows. Typically, the software is saved in a location accessible to the computer.
In this case, the program is illustrated above based on the information.
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Why does a dilemma make your decision-making more complex?
The reason why dilemma make your decision-making more complex is that they do have effects in a person such as:
Feeling of disappointment.Feeling of confusion.Feeling of anxiety, distress and others.What is a decision-making dilemma?Any alternative that requires the agent to violate or compromise on their ethical norms presents an ethical problem in a decision-making situation.
The primary problem with an ethical conundrum is that it does not provide a clear answer that would be in line with ethical standards. People have confronted these problems throughout human history, and philosophers have sought and attempted to discover solutions.
Therefore, based on the above, dilemma is due to the fact that one has different alternatives to choose from and this makes one confused.
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today’s digital devices use a variety of storage technologies. storage technologies, such as hard disks, store data as particles oriented north or south. a hard disk drive provides multiple for data storage that are sealed inside the drive case to prevent airborne contaminants from interfering with the read-write heads. hard disks are less durable than many other types of storage, so it is important to make a copy of the data they contain. storage technologies store data as a series of dark spots and light spots on the surface of cds and dvds. storage technologies, such as cd- , are used for distributing software and music, but you cannot alter the disc’s contents. technology allows you to write data on a cd or dvd, but you cannot delete or change that data. rerecordable or technology allows you to write and erase data on a cd or dvd. state storage technologies, such as usb flash drives, store data by activating electrons in a microscopic grid of circuitry. a backup is a copy of one or more files that have been made in case the original files become damaged. a good backup plan allows you to restore a device’s operating system, software, data files, settings, accounts, and profiles in case of a massive hardware failure or virus infection. personal computer backups are typically recorded on hard drives, usb flash drives, network servers, and online storage services. an easier way to get a backup of important data files is to use the command to make duplicates and store them on a usb drive. backup utilities such as file history and time machine use a technique called file to make sure that files on two devices are the same. a disk is a bit-for-bit copy of the data from all sectors of a hard disk.
Data is stored as north- or south-facing particles on magnetic storage systems like hard disks. A hard disk drive offers numerous sealed inside the drive case platters for data storage, preventing airborne pollutants from interfering with the read-write heads.
A computer's magnetic storage media is known as a hard disk, often known as a hard disk drive or hard drive. Hard disks are flat, circular plates with a magnetic coating that are constructed of glass or aluminum. Terabytes (trillions of bytes) of data can be stored on personal computer hard disks. On their surfaces, data are kept in concentric tracks. Tiny dots on a spinning disk are magnetized in different ways by a small electromagnet known as a magnetic head, which also reads binary digits by determining the direction of the magnetization of the spots. A hard drive is a device that houses numerous hard disks, read/write heads, a drive motor to spin the disks, a tiny amount of circuitry, and all of these components are enclosed in a metal case.
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what is the minimum overhead to send an ip packet using ppp? count only the overhead introduced by ppp itself, not the ip header overhead. what is the maximum overhead
The Sender may choose not to send the Address and Control Bytes using PPP. two bytes of overhead in the frame are therefore saved. The top layer Protocol to which the wrapped data belongs is disclosed to the Receiver.
It entails directly relating the total number of bytes to the network protocols in use. two bytes of overhead in the frame are therefore saved. The top layer Protocol to which the wrapped data belongs is disclosed to the Receiver. It includes the information transmitted over PPP Link by an upper layer protocol. 1500 bytes is the maximum range.
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Which operating system was the first to include a graphical user interface (GUI)?
A.
MacOS
B.
Linux
C.
Chrome OS
D.
Windows
Answer:
D. Windows
Yes, but no.
Explanation:
But, the Xerox Star (the Alto) was one of the first GUI operating systems to be included. But, as per your answer choices, the earliest of them all Windows.
Can u answer
Question 1,2,3 please asap and thank you
Answer:
False, True, False, True
Explanation:
adam's company recently suffered an attack where hackers exploited an sql injection issue on their web server and stole sensitive information from a database. what term describes this activity?\
A terminology which best describes an attack where hackers exploited an SQL injection issue on their web server and stole sensitive information from a database is: incident.
What is incident management?Incident management can be defined as a strategic process through which a business organization (company) identifies, analyzes, and correct hazards, attacks, and potential threats (problems), so as to ensure that normal service operation is successfully restored as quickly as possible to its end users after a disruption, as well as to prevent a re-occurrence of these hazards in the future.
What is a database?A database can be defined as an organized and structured collection of data that're stored on a computer system as a backup and they're usually accessed electronically.
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what must you do after installing software in order to make sure all of the files and features on your machine are ready to go?
A.
download
B.
virus scan
C.
update
D.
restart
After installing software in order to make sure of the files an features on the machine are ready to go is restart. The correct option is D.
What is a software?Directions that tell a desktop what to do are referred to as software. The whole array of programs, procedures, as well as routines associated with the operation of a computer system is referred to as software.
The word was coined to vary these instructions from hardware, which refers to the physical components of a computer system.
Computer software, also known as software, is a collection of data or computer instructions that instruct the computer on how to operate.
Many applications and Windows Updates require access to core system files, which are constantly active while Windows is running.
The files representing the components must not be in use for a program (or update) to integrate itself into the required Windows Components.
Thus, the correct option is D.
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define a method pyramidvolume with double data type parameters baselength, basewidth, and pyramidheight, that returns as a double the volume of a pyramid with a rectangular base. relevant geometry equations: volume
The code below contains comments explaining important lines of code. Code output has also been provided below for the pyramidvolume method with double parameters of data type baselength, basewidth and pyramidheight, which returns as double the volume of a pyramid with a rectangular base.
import java.util.Scanner;
public class CalcPyramidVolume {
/* Your solution is here */
public static void main(String[] args) {
System.out.println("Volume for 1.0, 1.0, 1.0 is: " + pyramidVolume(1.0, 1.0, 1.0));
return;
}
//Start the method definition
public static double pyramidVolume(double baseLength, double baseWidth, double pyramidHeight){
//First calculate the base area of the pyramid
//store the result in a double variable
double baseArea = baseLength * baseWidth;
//Then calculate the volume of the pyramid
//using base area and base width
double volume = 1 / 3.0 * base area * pyramid height;
//return the volume
return volume;
}
}
Exit:
Volume for 1.0, 1.0, 1.0 is: 0.33333333333333333
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you have just installed windows server 2019 desktop experience on a virtual machine. after the installation, you run the following command on the command prompt:
We will probably notice an IP address from the 169.252.x.x series if the newly installed server is not configured to utilize a DHCP server or configured with a static IP address.
Administrators can install different Windows 7 features on servers running Server 2008, windows 8 features on servers running Windows Server 2012, and Windows 8.1 features on servers running Windows Server 2012 R2 thanks to a feature called Microsoft Windows Server Desktop Experience. Verifying that a computer is physically connected to the network is the first step in troubleshooting when a single computer is unable to lease an address. Additionally, these roles are part of Windows Server 2019's Desktop Experience installation option.
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the greatest cost of a virus or malicious code attack is:group of answer choiceslost dataall of theseloss of work hours and time spent patching systemsphysical damage to computer hard drives
The greatest cost of a virus or malicious code attack is loss of work hours and time spent patching.
What is a virus or a malicous code?
Both terms though have different meanings but they are often interchanged. A malware or malicious program is used to describe any code or program creating with the intent to harm or destroy. Virus on the other hand is a type of malware in the form of a code or program; it has the ability to self replicate and spread it self.
Some of the effect of these harmful software include loss of data (but can be retrieved from back ups), disrupting operations, defrauding people and loss of work hours and time spent on patching (this cannot be regained.)
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hen adding new hardware, such as a printer, to a computer you often have to add associated software that allows the printer to work with your computer's operating system. this associated software is called a .
Answer:
Driver
Explanation:
When adding things such as a printer or some other hardware you're pc won't always know what to do with the device. When you download a driver for that device it lets your pc know how to use the device..
Hope this helps!!!
a list of numbers has n elements, indexed from 1 to n. the following algorithm is intended to display the number of elements in the list that have a value greater than 100. the algorithm uses the variables count and position. steps 3
...
...
for i in range(n):
if(a[i]>100):
count +=1
else:
continue
print(count)
For loop in C++:...
...
for(int i=0;i<sizeof(a);i++) {
if(a[i]>100) {
count++;
} else {
;;
}
}
std::cout << count;
At least 3 facts I learned about our Amazon Volunteer or their career experience:
Answer:
Amazon's Global Month of Volunteering includes hundreds of partners. Tens of thousands of employees around the world are coming together to support over 400 organizations in their local communities.
1
Select the correct answer.
Emily is reviewing a document in a word processor. The document includes a data table. Emily wants a close-up view of one of the columns of the
table. Which tool of the word processor should she use to magnify the page containing the table?
O A. Orientation
B. Print Layout
O C. Outline
O D. Zoom
reserved
Answer:
O D. Zoom
Explanation:
When you zoom in a page you magnify it!
How do you get the ios16 update back when you accidentally deleted it?
Answer:
Explanation:
Sign in to your iCloud account. Tap “Choose backup” and then select the backup you made before in iCloud and tap “Restore”. Then wait for the restoration process to get complete.
how long will it take the ident field of the ipv4 header to wrap around, if the sender host a sends a stream of packets to host b as fast as possible? assume the packet size is 1500 bytes and the bandwidth is 600 mbps.
The number of packets required to carry the data is therefore 7 (ceiling(2980/480)). it take the ident field of the ipv4 header to wrap around, if the sender host a sends a stream of packets to host b as fast as possible
Imagining that the DF flag wasn't set
Assume that the optional IP header fields are not being used (i.e. IP header is 20 bytes)
Taking the 20 bytes for the header out of the original 3000 bytes, 2980 bytes are left over for the data.
Suppose that the original packet's ID is 'x'.
500 - 20 = 480 bytes of data can be transmitted in each packet with an MTU of 500 bytes.
The number of packets required to carry the data is therefore 7 (ceiling(2980/480)).
The packets will feature the following attributes. NOTE: You don't need to supply Total len because offset is measured in 8-byte blocks. Imagining that the DF flag wasn't set
Assume that the optional IP header fields are not being used (i.e. IP header is 20 bytes)
Taking the 20 bytes for the header out of the initial 3000 bytes, 2980 bytes are left over for the data.
Suppose that the original packet's ID is 'x'.
500 - 20 = 480 bytes of data can be transmitted in each packet with an MTU of 500 bytes.
The number of packets required to carry the data is therefore 7 (ceiling(2980/480)).
The packets will feature the following attributes.
Packet 1: ID=x, Total_len=500, MF=1, Frag_offset=0
Packet 2: ID=x, Total_len=500, MF=1, Frag_offset=60
Packet 3: ID=x, Total_len=500, MF=1, Frag_offset=120
Packet 4: ID=x, Total_len=500, MF=1, Frag_offset=180
Packet 5: ID=x, Total_len=500, MF=1, Frag_offset=240
Packet 6: ID=x, Total_len=500, MF=1, Frag_offset=300
Packet 7: ID=x, Total_len=120, MF=0, Frag_offset=360
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