Answer:
2hrs 40 min
Explanation:
Answer: c) 2hrs 40 min
Explanation:
Rate of working of Computer X is = 240 files/ (4 × 60min)
= 1 file / min
Rate of working of Computer Y is = 240files/ (8×60min)
= 0.5 file/min
The combined rate for computer X & Y is = 1 + 0.5 = 1.5 file/ mins.
Therefore, time taken to process 240 files is = 240/1.5
= 160mins
= 2hrs 40mins
// This program uses a bubble sort to arrange an array of integers in // ascending order // PLACE YOUR NAME HERE #include using namespace std; // function prototypes void bubbleSortArray(int[], int); void displayArray(int[], int); const int SIZE = 5; int main() { int values[SIZE] = { 9, 2, 0, 11, 5 }; cout << "The values before the bubble sort is performed are:" << endl; displayArray(values, SIZE); bubbleSortArray(values, SIZE); cout << "The values after the bubble sort is performed are:" << endl; displayArray(values, SIZE); return 0; } //****************************************************************** // displayArray // // task: to print the array // data in: the array to be printed, the array size // data out: none // //******************************************************************
Answer:
i dont get it; what are we supposed to do here
Explanation:
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.
Assume that you declare a variable as int x = 100, and correctly pass it to a method with the declaration private static void IncreaseValue(int x). There is a single statement within the IncreaseValue() method: x = x + 25;. Back in the Main() method, after the method call, what is the value of x?
Answer:
The value of X after the method call is 125
Explanation:
Recall that x was assigned the value 100. this value (100) was passed as an argument to the method IncreaseValue() which adds 25 to x that was initially 100.
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.
}
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.
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:
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.
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 have created a new Web site for your company, and you want to add a script so that a "welcome" pop-up box appears to the user as soon as he or she launches the site. Which JavaScript method should you use to display the message?
Answer:
The correct answer to the following question is The alert() method.
Explanation:
The alert() function is the function of the javascript which is applied on the web page to alert the users for something important who is surfing on that web page.
If the javascript alert box is on the button in the HTML page then, when the user clicks on that button the alert box will pop-up on the screen with the alert message which you written inside the alert() parentheses.
Syntax:
alert("Hello sir");
A junior network administrator tells you that he can ping a DNS server successfully using its IP address, but he has not tested domain name lookups. What utility on the command line would you suggest your colleague use next?
Answer:
nslookup is the correct answer to the following question.
Explanation:
The following answer is correct because It is the tool or the utility of the command line by which an administrator to query a DNS(Domain Name System) for finding the domain name or the Internet Protocol address or many other records.
Steps to use nslookup:
Firstly, you have to press the window key + R to open run.Then, you have to type cmd in it and press enter.Then, cmd will appear after that, you have to type the command 'nslookup' and then press enter.Then, it shows the default server name and ip address after that, you have to type an ip address of DNS server.Then, you have to type 'set' then type q=M X and then press enterThen, you have to type the name of your domain then, press enter key.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!
You have taken a new job as a network administrator. Although you have been an IT professional within your organization for a number of years, this particular responsibility is a new one for you, so you have been studying network standards and protocols. You learn that all of the following are true about token ring networks
Answer:
Except more than one token can exist on a token ring network
Explanation:
The token ring is the LAN(Local Area Network) in which the computer systems are connected with each other computers in the form of topologies. In the token ring networks more than one logic tokens from one host to another host.
The token ring has entirely taken over by the Ethernet because it is cheaper and better in price and performance.
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!
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
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.
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;
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.
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!
Conchita uses the CSS Box Model to help configure the space around each HTML element as she develops her Web pages. Which Box Model element defines the space between the HTML element and the border?
Answer:
The answer to this question is "Padding".
Explanation:
The description of padding property as follows:
Padding is a property that is used in CSS. It established in the inner portion of the box model that Creates content space, defines any edges or boundaries within. This value is a set that uses a length in percentages or pixels and It does not accept negative values. The default value for all padding properties is 0.
Which one of the following statements about functions is TRUE A. A function can change names over the course of a program. B. Code can be added or removed dynamically from a function while the program is running. C. Functions can be called using different names depending on where in the program they are called. D. Two functions can be given identical names as long as their code is identical. E. Two functions in a single program can have different names but contain identical code.
Answer:
Answer is E
Explanation:
Two functions with identical codes can have the same name in any programming language. Any of the functions can be called to do its job with the appropriate name. While this is allowed and you wont get errors, just be careful not to waste memory and have redundant code
The true statement regarding the function is that the two functions could be the single program.
What are functions?
It means the relationship between the set of input that contains one output each. The function represent the relationship that lies between input where every input should be related to exactly one output. In the case when the function contains the same code so they have similar name for any kind of programming language. Also, the error should be minimized.
Therefore, the option E is correct.
Learn more about function here: https://brainly.com/question/19703259
"The system design specification is a document that presents the complete design for a new information system, along with _____ for completing the next SDLC phase — systems implementation"
Answer:
The answer to the given question is "detailed costs ".
Explanation:
SDLC stands for System development life cycle. It is also known as the Software development life cycle. In SDLC 7 phases are "Planning, Analysis, Design, Development, Testing, Deployment, Maintenance." The detailed cost is a part of the SDLC phases.
In the detailed cost, we calculate the total cost for making software. Then we go to the next phase that is the implementation state. It is also known as the "development state".
Adobe Acrobat reader is free. Adobe does this to build a market for the sale of software that creates Acrobat files. This is an example of: (pick all that apply)
a. firms taking advantage of complementary products developed for a prior generation of technology.
b. firms giving away products for half of a two-sided market.
c. firms spreading costs across increasing units of production or in serving multiple customers.
d. seeding the market. on market attempting to conquer a new market by making it a subset, component, or feature of its primary offering.
Answer:
The correct option to the following question is an option (D).
Explanation:
The latest version of the Adobe Acrobat reader is Adobe Acrobat Reader DC which is the best pdf reader or viewer and this software is available free on the website of the acrobat with license.
Adobe Acrobat reader is only used in reade and view the pdf file if we want to edit those file then we have to purchase them.
Options b. firms giving away products for half of a two-sided market, and d. seeding the market. on market attempting to conquer a new market by making it a subset, component, or feature of its primary offering, clearly define Adobe's strategy in building a market for their premium products through the widespread usage of the free Acrobat Reader.
The strategy of offering the Adobe Acrobat Reader for free while charging for Adobe Acrobat software, which creates PDF files, demonstrates several business tactics:
Firms giving away products for half of a two-sided market: This tactic involves offering one part of a product or service for free to build a user base, which in turn makes the paid part of the market more valuable and appealing.Seeding the market: By providing a free tool, Adobe seeds the market by increasing the usage and familiarity with PDF files, thus driving demand for their paid software needed to create these files.While options a, c, and the second part of option d don't directly apply in this context, options b and the first part of d clearly define Adobe's strategy in building a market for their premium products through the widespread usage of the free Acrobat Reader.
A forensic investigator at a crime lab is performing a forensic analysis of a hard drive that was brought in by state troopers. They make a mistake by using the wrong forensic tool during their forensics examination. What should the investigator do?
a. Document the mistake and workaround the problem.
b. Document the mistake and press on with remaining tasks.
c. Disclose the mistake and assess another area of the hard drive.
d. Disclose the mistake and preserve the chain of custody.
Answer:
a. Document the mistake and workaround the problem.
Explanation:
The forensic investigation is mainly used to collect and analyze the evidence of a crime, which helps in search of a suspect.
The forensic investigator's main purpose is to find the most important evidence by thorough workout on fingerprints, blood, computer, etc of a crime to help to find a suspect.
It is a detail inspection of the crime scenes which come into some result so that the correct decision should be made
So, according to the given options, the most appropriate one is option a.
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:
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:
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.
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
The ________ is the main switch station for memory; if the right and left areas are destroyed, the result is widespread amnesia. The ________ is the main switch station for memory; if the right and left areas are destroyed, the result is widespread amnesia. Wernicke's area hypothalamus hippocampus thalamus
Answer:
The answer is hippocampus.
Explanation:
The ___hippocampus._____ is the main switch station for memory; if the right and left areas are destroyed, the result is widespread amnesia. The __hippocampus.______ is the main switch station for memory; if the right and left areas are destroyed, the result is widespread amnesia.
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.