A higher-level programming language is one that provides more abstraction and built-in features, making it easier to write complex programs. Developers use higher-level languages for quicker development, increased productivity, and easier maintenance of code.
Explanation:A higher-level programming language refers to a language that provides more abstraction and built-in features to the programmer, making it easier to write complex programs without worrying about low-level details like memory management. Developers use higher-level languages like Python and R because they allow for quicker development, increased productivity, and easier maintenance of code. For example, Python incorporates high-level features like dynamic typing, automatic memory management, and a large standard library, which simplifies the coding process and allows developers to focus on problem-solving.
Declare a char array named line suitable for storing C-strings as large as 50 characters, and write a statement that reads in the next line of standard input into this array. (Assume no line of input is 50 or more characters.)
Answer:
char line[50];
cin.get(line,50);
Explanation:
The "char" data type stores character data in a fixed-length field.
You are in the middle of a big project at work. All of your work files are on a server at the office. You want to be able to access the server desktop, open and edit files, save the files on the server, and print files to a printer connected to a computer at home.
Which protocol should you use?
Unit testing:_________. A. provides the final certification that the system is ready to be used in a production setting. B. includes all the preparations for the series of tests to be performed on the system. C. tests each individual program separately. D. tests the functioning of the system as a whole in order to determine if discrete modules will function together as planned.
Answer:
Option (C) is the correct option to the following question.
Explanation:
The following option is correct because the unit testing is the process of testing a single unit of software at a time, which means the testing of each and every program separately.
In simple words, Unit testing a process of testing in which the developer executes the single method or a function, statements or loop in the program of the software to checking is it working fine or not.
A city government is attempting to reduce the digital divide between groups with differing access to computing and the Internet. Which of the following activities is LEAST likely to be effective in this purpose?
a) Holding basic computer classes at community centers
b) Providing free wireless Internet connections at locations in low-income neighborhoods
c) Putting all government forms on the city Web site
d) Requiring that every city school has computers that meet a minimum hardware and software standard.
Putting all government forms on the city Web site. The correct option is C.
Even though posting official documents on a city website can be convenient for individuals with internet access, it might not be a good strategy for closing the digital divide.
This strategy makes the assumption that every citizen has simple, dependable access to the internet, which is not true for everyone, particularly for those living in low-income areas who are more prone to experience the digital divide.
Those without internet connection would still have trouble getting the required paperwork.
Therefore, The correct option is C.
Learn more about Goverment, refer to the link:
https://brainly.com/question/31902016
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Final answer:
The least effective activity to bridge the digital divide is placing government forms online. Instead, holding computer classes and ensuring computers in schools are effective measures.
Explanation:
The LEAST effective activity in reducing the digital divide would be putting all government forms on the city Web site. This is because simply putting forms online may not address the root causes of the divide related to access and skills.
Alternatively, activities like holding basic computer classes at community centers and requiring every city school to have computers meeting a certain standard are more likely to be effective in bridging the digital gap by providing direct education and access to technology.
Member function definitions: ______________.a. Always require the binary scope operator (::)b. Require the binary scope operator only when being defined outside of the definition of their class c. Can use the binary scope operator anywhere, but become public functions d. Must use the binary scope operator in their function prototype
Answer:
Option (B) is the correct answer to the following questions.
Explanation:
The following option is correct because the binary scope operator is used to define the global variable only when the local variable has also the same name and we want to use global variable also or we also use scope operate when we do not want to use any function inside the class.
The following option (A) is wrong because we not always required binary scope operator and the option (C) is wrong because we cannot use the scope operator anywhere and the option (d) is already wrong because that binary scope operator would not be used in the function prototype.
Timur was making a presentation regarding how attackers break passwords. His presentation demonstrated the attack technique that is the slowest yet most thorough attack that is used against passwords. Which of these password attacks did he demonstrate?
A. Dictionary attack
B. Hybrid attack
C. Custom attack
D. Brute force attack
Answer:
D. Brute force attack
Explanation:
A Brute Force Attack is the fastest way of accessing a website or database (or whatsoever secured by a password). It attempts repeatedly different combinations of usernames and passwords till it breaks in.
This repeated behavior is just like an enemy that attacks a fort.
Optionally, using a key derivation function, the attacker can try to guess the key generally created from the password. This is known as an exhaustive key search.
Given a string variable s that has already been declared, write some code that repeatedly reads a value from standard input into s until at last a "Y" or "y"or "N" or "n" has been entered.
Answer:
The code to this question can be given as:
Code:
while ((s!="Y" && s!="y" && s!="N" && s!="n")) //loop for check condition
{
cin >> s; //insert value
}
Explanation:
The description of the following code:
In this code, we use a string variable s that has been to define in question. In code, we use a while loop. It is an entry control loop in loop we check variable s value is not equal to "y", "Y", "n" and "N". In the loop we use AND operator that checks all value together. If this is true So, we insert value-form user input in string variable that is "s".Final answer:
The question seeks code that reads input into a string until one of four specific characters is entered, implemented here in Python using a while loop and standard input functionality.
Explanation:
The question involves writing a piece of code in a programming language (most likely Python, given the context) that continually reads input from the user until one of the specified characters ('Y', 'y', 'N', 'n') is entered. This task is typically accomplished by using a while loop along with standard input functionality.
An example solution in Python might look like this:
s = ''
while s not in ['Y', 'y', 'N', 'n']:
s = input('Please enter Y, y, N, or n: ')
This code initializes the variable s with an empty string and then enters a while loop that continues to prompt the user for input until one of the acceptable values is entered. The input() function reads a line from standard input, and the loop checks if the value of s is either 'Y', 'y', 'N', or 'n'. The loop terminates once a valid value is entered.
When you receive a utility bill, you're actually getting a report that was generated by a database management system. The DBMS subsystem that provides for data maintenance, analysis, and the generation of reports is called the data ___ subsystem.
Answer:
Manipulation
Explanation:
The DBMS subsystem that provides for data maintenance, analysis, and the generation of reports is called the data manipulation subsystem. It allows the user to modify data by adding or deleting information in the database. The user can also query the database to gain access to valuable information. The software that is used in the data manipulation subsystem serves as an interface between the data contained in the database and the user.
Assume the availability of class named IMath that provides a static method, toThePowerOf which accepts two int arguments and returns the value of the first parameter raised to the power of the second.An int variable cubeSide has already been declared and initialized. Another int variable, cubeVolume, has already been declared.Write a statement that calls toThePowerOf to compute the value of cubeSide raised to the power of 3 and that stores this value in cubeVolume.
Answer:
cubeVolume = IMath.toThePowerOf(cubeSide, 3);
Explanation:
Following is the explanation for above statement:
Left side:
cubeVolume is a variable with data-type int, it will store the integer value that is the output from right side.
Right side:
IMath is the class name.toThePowerOf is the built-in function that takes two arguments of data type int. First is the base and second is the power(exponent) separated by comma. In place of first argument that is the base variable we will pass the variable cubeSide that has been declared and initialize.Now the output will be stored in the variable cubeVolume.i hope it will help you!
When installing a SATA hard drive, is it true or false that you need to move the jumpers on the back of the drive to instruct the computer on which hard drive is the bootable drive?
Answer:
This is false.
Explanation:
SATA drives do not have jumpers, because they don't use the master/slave feature. They are connected to the motherboard, and they are ready to work.
The master/slave feature was used by IDE hard drives.15 years ago, most motherboards didn't have too many IDE slots to place more than 1 or 2 HDDs, the IDE cable allowed you to connect 2 drives to 1 cable, greatly increasing your computer's storage space.
It was recommended to set as master the drive connected directly to the motherboard, and the other one as slave.
Final answer:
The concept of setting jumpers on hard drives to determine the bootable drive does not apply to SATA hard drives; this was a practice for PATA (IDE) drives. SATA hard drives connect to the motherboard with individual cables, and the boot order is configured in the BIOS or UEFI settings.
Explanation:
It is false that you need to move the jumpers on a SATA hard drive to instruct the computer on which hard drive is the bootable drive. Jumpers were used on older PATA (IDE) drives to set the drive as Master or Slave in systems that used multiple PATA drives on the same cable. SATA drives do not use this configuration because each SATA drive has its own dedicated cable and communicates directly with the motherboard. Therefore, the bootable drive is determined by the boot order settings in the computer's BIOS or UEFI firmware, not by jumpers on the drive itself.
According to COSO, which of the following components addresses the need to respond in an organized manner to significant changes resulting from international exposure, acquisitions, or executive transitions?
a.Monitoring activities.
b.Risk assessment.
c.Information and communication.
d.Control activities.
Answer:
Option (B) i.e., Risk assessment is the correct answer to the following question.
Explanation:
The following option is correct because Risk assessment is the way you identify the risk and the hazardous factors related to risk and we can also say that it is the process of examining the tasks, process or that jobs which you are done to identify the objective of the risk.
So, that's why the Risk assessment is the correct option.
COSO's risk assessment component is responsible for the organized response to significant organizational changes such as international exposure, acquisitions, or executive transitions.
Explanation:According to COSO, the component that addresses the need to respond in an organized manner to significant changes resulting from international exposure, acquisitions, or executive transitions is b. Risk assessment. This component involves identifying and analyzing risks to the achievement of an organization's objectives and determining how to manage those risks. It becomes particularly important when an organization faces major changes that could affect its operations, strategic direction, or profitability. Therefore, risk assessment encompasses understanding potential risks, analyzing their impact, and preparing strategies to mitigate them effectively, particularly when dealing with complex situations like international expansion, acquisitions, and changes in executive leadership.
A satisfactory radiograph of the abdomen was made at a 42-inch SID using 300 mA, 0.06-second exposure, and 80 kVp. If the distance is changed to 38 inches, what new exposure time would be required?
Answer:
the new exposure time would be 0.049 seconds
Step-by-step answer:
Given that:
Distance 1 = D1 = 42 inch
Current = 300 mA
Time 1 = T1 = 0.06 seconds
Max voltage = 80 kVp
Distance 2 = D2 = 38 inches
Time 2 = T2 = ?
Inverse square law states that:
The intensity of radiation becomes weaker as it spreads out from the source since the same about of radiation becomes spread over a larger area. The intensity is inversely proportional to the distance from the source.
Mathematically,
I1/ I2 = D1^2/ D2^2 ------------ eq1
Intensity 1 = I1 = Current * time = 300 * 0.06 = 18 mAs
Let Intensity 2 as I2
Putting values in eq1
18/ I2 = (42)^2/(38)^2
By simplifying:
18/ I 2 = 1764/1444
By cross multiplying we get:
1764 * I2 = 25,992
Dividing both sides by 1764 we get:
Intensity 2 = I2 = 14.7 mAs
Now we will find exposure time.
We know that:
Intensity = Current * Time
As Intensity 2 = 14.7 , Current = 300 mA and time is T2
So by putting values:
14.7 = 300 * T2
By simplifying,
T2 = 0.049 seconds
So the new exposure time required would be 0.049
i hope it will help you!
Assume that an array named salarySteps whose elements are of type int and that has exactly five elements has already been declared.Write a single statement to assign the value 30000 to the first element of this array
Answer:
See the explanation section
Explanation:
int[] salarySteps = new int[5];
salarySteps[0] = 30000;
Assume that input file references a Scanner object that was used to open a file. Which of the following while loops shows the correct way to read data from the file until the end of the file is reached?a. while (inputFile != null)b. while (!inputFile.EOF)c. while (inputFile.hasnextInt())d. while (inputFile.nextLine == " ")
while (!inputFile.EOF) loops shows the correct way to read data from the file until the end of the file is reached.
b. while (!inputFile.EOF)
Explanation:
Normally to read an input files as loop the program reads till end of file mark been seen. A loop been executed till an EOF is reached.
End user has to write a logic in software languages which should have a loop and ready a bit or set of bits which depends of end user technology and stop reading till end of file which is called EOF = true.
If EOF is not true then end user program loop never ends and program is either hang or bug or goes to really task.
End user has check either EOF = True or files size reach to end of bytes. Whichever comes first.
Otherwise if EOF is not true then it is corrupted files.
Write a loop that displays all possible combinations of two letters where the letters are 'a', or 'b', or 'c', or 'd', or 'e'. The combinations should be displayed in ascending alphabetical order and all lowercase:
Write nested loops to produce all combinations of two letters from 'a', 'b', 'c', 'd', and 'e', with each possible pairing printed in ascending alphabetical order.
To display all possible combinations of two lowercase letters from the set {'a', 'b', 'c', 'd', 'e'}, you can use nested loops. The outer loop will iterate through each letter, and for each iteration of the outer loop, the inner loop will run through the letters again to generate the combinations. Here is an example of how you might write such a loop in pseudocode:
for letter1 in ['a', 'b', 'c', 'd', 'e']:
for letter2 in ['a', 'b', 'c', 'd', 'e']:
print(letter1 + letter2)
This will produce outputs such as 'aa', 'ab', 'ac', through to 'ee', with all possible combinations in between, displayed in ascending alphabetical order.
You are reviewing the style sheet code written by a colleague and notice several rules that are enclosed between the /* and */ characters. What will occur when you link the style sheet to a Web document?
Answer:
Nothing will happen.
Explanation:
The rules written between /* and */ will be ignored because /* and */ are the standard way of writing comment in a style sheet code. So, whatever fall in between them will be ignored during rendering of the page.
Raul is setting up an Excel spreadsheet to track how many hours his employees work each day. For the first worker, he has inserted the formula "=(I3-H3)” into cell J3.
Raul needs to see a number of hours but instead he sees a decimal. He knows the employee worked more than 0.35 hours that day. What should Raul do to make J3 show a number of hours?
A. insert “*24” at the end of the formula
B. reformat J3 as a general number
C. insert “HOURS” after the equal sign in the formula
D. change the order of the cells referenced in the formula
Answer:
The key to solve this number time format in Excel lies in understanding the simple seconds, hour and day calculations together with cell referencing. Cell referencing stands for the cell names where we will be performing our formula.
Explanation:
Numbers in Excel comes in various format. One of the headache from it is Excel often recognize times (x) as a decimal even when we are talking about time or hour. The key to solve this number time format in Excel lies in understanding the simple seconds, hour and day calculations together with cell referencing. Cell referencing stands for the cell names where we will be performing our formula.
The formula that we need to put in to cell J3 should have an idea like this: = (Clocked out - Clocked in) x 24
You can just use a simple formula by applying subtraction operation using from your clocked out / time out to your clocked in / time in. The answer will be the difference of this two times then you should multiple it to 24 which stands for 24 hours in one day.
Another thing, you must use the INT function to make sure that our answers in excel will be rounded off to the nearest integer. We definitely don't want any decimals in any of our cells.
Therefore the formula should look like this in cell J3: = INT((I3-H3) *24).
Almost a similar idea can be applied if we want to solve for the MINUTES between two times. Instead of using 24, we must use 1440 instead. Now, why do we need to use 1440? 1440 stands for the total minutes that we have for a single day. (24 hours * 60 minutes = 1440 minutes)
Therefore the formula should look like this: = ((I3-H3)*1440).
Answer:
its b. reformat J3 as a general number
Explanation:
Sarah needs to connect to an interface port on an enterprise switch. Her laptop does not have the correct port. When she mentions this to her boss, he tells her that they have several older laptops in a closet and one of them should have a RS-232 connector for the enterprise switch. What does the connector that Sarah needs look like?
a. A 15 pin three row D-shaped connector
b. A 9 pin two row D-shaped male connector
c. A rectangle with a blue connection in the middle
d. A 6 pin round connector that is purple
Answer: the right option is b
Explanation:
RS232 was originally introduced in 1960 and it was used to transmit signals using a positive voltage for binary 0 and negative voltage for binary 1.
Answer:
A 9 pin two row D-shaped male connector ( B )
Explanation:
A RS-232 connector is used for exchange of data between a personal/desktop computer and Modem as seen in the question an Enterprise switch which is a data communication equipment as well. the RS-232 uses a form of connection known as a serial connection to transfer/exchange data between connected equipment in bits.
The connection between the equipment is done using an RS-232 connecting cable were the port at the end of the connector is A 9 pin two row D-shaped female connector which is then connected to A 9 pin two row D-shaped male connector port found on both the personal computer and the data communication equipment
Assume the class BankAccount has been created, and the following statement correctly creates an instance of the class:
BankAccount account = new BankAccount(5000.0);
What is TRUE about the following statement?
System.out.println(account);
a. The account object's toString method will be implicitly called.
b. A compiler error will occur.
c. The method will display unreadable binary data on the screen.
d. A runtime error will occur.
Answer:
C
Explanation:
All Java objects have a toString() method, which is invoked when you try to print an object. The output will be some unreadable binary data because the toString method of the object has not explicitly define in our BankAccount class. To get a readable text as output, the toString method of our BankAccount class need to be over ride.
Adding the below snippet to the BankAccount class will yield a readable output.
@Override
public String toString() {
return nameOfField;
// nameOfField is the name of field defined in BankAccount class which is passed as parameter when creating an instance of the object.
}
Historically, it has been observed that computer processing speeds tend to double every two years. Which of the following best describes how technology companies can use this observation for planning purposes?
A. Technology companies can accurately predict the dates when new computing innovations will be available to use.B.Technology companies can plan to double the costs of new products each time advances in processing speed occur.C. Technology companies can set research and development goals based on anticipated processing speeds.D. Technology companies can spend less effort developing new processors because processing speed will always improve at the observed rate.
Answer:
Option C is correct.
Explanation:
This is what is called Moore's law, pronounced by Gordon Moore (Intel's CEO) in 1965. More precisely, it states that transistor count in processors doubles every 2 years. Not always this can translate to more processing power, because usually software can't keep up the pace with the raw power of new processors, and can't take full advantage of its speed.
Moore's law has had a positive effect on the market. Not only to the processor market but more so to the software market. The reason is that even though faster, multi-core processors are out there, the software was written to work with single-thread tech for a long time. Now, developers need to adjust their software to support multi-threading (split the program's functions across all processor cores) to increase performance and take advantage of the speed. This helps developers to create software that is up to the latest technologies and maximize efficiency.
The best choice is C. Technology companies can set research and development goals based on anticipated processing speeds. This approach allows them to align their innovation efforts with expected advancements, ensuring that their products remain competitive and relevant as processing speeds continue to increase.
Choice C is the most viable. By setting research and development goals based on anticipated processing speeds, technology companies can strategically allocate resources and prioritize projects that leverage expected advancements.
This approach enables them to stay ahead in innovation, design products that capitalize on increased processing power, and meet evolving market demands. It also helps in resource planning, allowing for the timely development of competitive products.
However, it's important to note that while the observation of doubling processing speeds every two years provides a general trend, it's not a rigid rule.
Actual progress may vary due to various factors. Thus, companies should adapt their plans accordingly, considering both the observed trend and specific technological developments in their respective fields.
This approach fosters agility and flexibility, essential qualities in the fast-paced technology industry.
Which of the following dimensions of e-commerce technology involves the integration of video, audio, and text marketing messages into a single marketing message and consumer experience?
Answer:
Richness (Information Richness)
Explanation:
Information richness refers to the complexity of combining video, audio and make a marketing advert, the information generated is considered rich. other features or dimensions include; interactivity, information density, personalization etc
A system administrator wants to provide for and enforce wireless access accountability during events where external speakers are invited to make presentations to a mixed audience of employees and non-employees. Which of the following should the administrator implement?A. Shared accountsB. Preshared passwordsC. Least privilegeD. Sponsored guest
Answer:
C. and D.
Explanation:
We cannot really share anybody account details and password of such a level of speaker with anybody. Their privacy needs to be respected. Hence, we cannot share their accounts or provide them Preshared password.
We need to provide them however, only some privilege and nothing more than that, as our organization privacy and security of top secret information, from any outsiders, And the external speakers are definitely outsiders, And since then need to be paid as well, and hence we need to rate them as sponsored guest.
That explains the above answer.
The ________ phase is a technical blueprint for a whole system which captures all aspects of how the system's components will function together to accomplish goals, using descriptions, diagrams, and models.
Answer:
design
Explanation:
At the design phase you consider potential solutions and conceptualize the choices and how to construct the solution in an effective and efficient way. The Design Phase, in the end, answers "how" you will build the solution.
As an outcome of the design phase, you will have a defined solution. The solution is explained using descriptions, diagrams, and models.
James, a technician, finds that a device is sending frames to all the ports instead of the destination ports. He wants that the device should forward data only to the intended destination. Which device will help him to troubleshoot this problem?
Answer:
Switch
Explanation:
In computer networking, few devices has been used to connect different computer over the network. These devices includes: hubs, bridges and switches.
Hub is a networking device that is used to receive a packet (information) from sender and forward this information to all the computers connected over the network.
On the other hand Switch is a networking device, that collect data from sender and Forward this data to the concerned person who is intended to receive data by sender. Switch has MAC address of all computer connected over the network and use MAC address to send the data to concerned person.
A web-based application encounters all of the connectivity and compatibility problems that typically arise when different hardware environments are involved. True or False?
Answer:
False
Explanation:
A web-based application encounters connectivity and compatibility relate to data server. It does not belong to any hardware environments.
A web based application is accessed over network.They run inside a web browser. Small of program is download to user's desktop, but this processing is done over internet.
A slide can have which of the following?
A) more than one title text box
B) more than one text box
C) text box and drawing objects
D) all of these
Answer:
D all of them mofos
Explanation:
Final answer:
A slide in presentation software can include more than one title text box, multiple text boxes, drawing objects, and essentially all of these options combined. Presentation tools are designed to be flexible, allowing for a diverse range of content to be incorporated into each slide. Thus, the correct answer is D) all of these.
Explanation:
The question posed is about the capabilities and features of a slide in a presentation software, such as PowerPoint. It asks which of the following a slide can have: A) more than one title text box, B) more than one text box, C) a text box and drawing objects, or D) all of these. In presentation software, slides are highly customizable. Users can add multiple text boxes, including more than one title text box if they choose, although typically a single title is used for simplicity and clarity. Slides can also incorporate various drawing objects such as shapes, lines, and more.
Furthermore, placeholders in slides allow for the inclusion of not just text but also graphics, tables, charts, videos, and more. This versatility supports the creation of dynamic and informative presentations tailored to the presenter's needs. It's important to understand that presentation software is designed to be flexible, catering to a wide range of content types and presentation styles. The ability to include text boxes, drawing objects, and other elements in a single slide makes it a powerful tool for communicating ideas effectively.
An electronic _____ is a computer program or an electronic or other automated means used independently to initiate an action or respond to electronic records or performances in whole or in part, without review or action by an individual.
Answer:
An electronic agent is a computer program or an electronic or other automated means used independently to initiate an action or respond to electronic records or performances in whole or in part, without review or action by an individual.
Explanation:
By above explanation, we know that an electronic agent can be defined as a non-living operator that performs different kind of tasks assigned to it. Directly we can take it as robots or softbots that are designed on software basis and today are common in many ways.
Different kind of machinery such as serving robots, automated machinery all lie under the category of electronic agent that may also me termed as software agents or intelligence agents.
i hope it will help you!
In client/server computing, the _______ is the computer that provides resources such as user accounts, printer, and others in the network, while the ________ is the computer that uses the resources in the network.
Answer:
Server provide the resources while client is attached to the server to share the resources
Explanation:
What is the output of the following C++ code? int x = 55; int y = 5; switch (x % 7) { case 0: case 1: y++; case 2: case 3: y = y + 2; case 4: break; case 5: case 6: y = y – 3; } cout << y << endl;
Answer:
you get 2
Explanation:
The 'parseInt' method of the 'Integer' class throws a 'NumberFormatException' when it is passed a String argument that it cannot convert to an int. Given the String variable s (which has already been assigned a value), write the code needed to convert the value in s as ________.
Answer:
new BigInteger(s);
See the explanation
Explanation:
Since "parseInt" throws a 'NumberFormatException"; the best solution will be to use 'BigInteger'. Since 's' is already assigned a value, we can print it out as:
System.out.println(new BigInteger(s));
The BigInteger class might need to be imported to the class using:
import java.math.BigInteger;