Answer:
Select delete command
Explanation:
Simon has noticed that his computer seems to be pretty slow. Which Item should he check to Improve his computer's speed?
OA power supply unit
OB. cache
OC read-only memory
OD. pixel
Answer: OA
Explanation: Power supply going bad, the computer will start to lag, go slower and slower, the clock and date will slow down and mess up, you will not be able to multi-task either ...replace the power supply ....
You need to trace the route that a cat 6 utp cable takes through the ceiling and walls of your building. which tool should you use?
We should use Tone Generator to to trace the route that a cat 6 utp cable takes through the ceiling and walls of your building. The tone generator can be used to test the speakers and their electrical wiring, as well as to find the frequency of hearing loss and tinnitus.
A sinusoidal signal is produced by a tone generator at the selected frequency. Can be used as a learning tool for physics as well as to test audio equipment like speakers or earbuds. You may also test the frequency range of tablet speakers.
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Write a while loop that divides usernum by 2 while usernum is greater than 1, displaying the result after each division. ex: for usernum = 40, output is: 20 10 5 2.5 1.25 0.625
import java.util.Scanner;
public class DivideIntoHalfLoop {
public static void main (String [] args) {
int userNum = 0;
userNum = 40;
while (userNum>=1) {
System.out.print(userNum/2 +" ");
userNum=userNum/2;
}
System.out.println("");
return;
}
}
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Digital manufacturing combines _____ to manufacture products. (check all that apply.)
Digital manufacturing combines human control, machines, and computers to manufacture products.
Digital manufacturing is the simultaneous defining of a product and a manufacturing process through the use of an integrated computer-based system including simulation, 3D visualization, analytics, and collaborative tools. Design for Manufacturability (DFM), computer-integrated manufacturing (CIM), flexible manufacturing, and lean manufacturing are examples of manufacturing initiatives that have given rise to digital manufacturing.
Digital manufacturing is a key point of integration between PLM and shop floor applications and equipment By minimizing costly downstream adjustments, this alignment enables manufacturing businesses to obtain cost savings while meeting time-to-market and volume requirements.
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What is the command to list the top 10 files that use the most disk space in linux?
Type du -a /dir/ | sort -n -r | head -n 20. du will calculate the file space used. The sort will sort out the output of a du command.
Why is Linux used? Linux is an open source operating system (OS). An operating system, which is a piece of software, is directly in charge of managing the hardware and resources of a system, including the CPU, memory, and storage. By sitting between applications and hardware, the operating system (OS) creates connections between all of your software and the operational physical resources. Many of the gadgets you likely own, such as Android smartphones, tablets, and Chromebooks, as well as digital storage, cameras, wearable technology, personal video recorders, and more, all support Linux. Your automobile has Linux running on the inside. Linux is an open-source alternative to Windows OS, which is a for-profit operating system.To learn more about Linux, refer to:
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Which xxx and yyy will find the minimum value of all the elements in the array? choices are in the form xxx / yyy.
userVals[i][j] < minVal / minVal = userVals[i][j] XXX and YYY will find the minimum value of all the elements in the array Choices are in the form XXX / YYY.
int userVals[NUM_ROWS][NUM_COLS];
int minVal = userVals[0][0];
for (i = 0; i < NUM_ROWS; ++i) {
for (j = 0; j < NUM_COLS; ++j) {
if (XXX) {
YYY;
}
}
}
We often need to find the minimum value in an array of numbers. There are a few different ways to do this, but the most straightforward is to use a for loop.
We start by assuming that the first element in the array is the minimum. Then, we compare this value to every other element in the array. If we find a smaller number, we know that this is the new minimum.
Here's the code:
int userVals[NUM_ROWS][NUM_COLS];
int minVal = userVals[0][0];
for (i = 0; i < NUM_ROWS; ++i) {
for (j = 0; j < NUM_COLS; ++j) {
if (userVals[i][j] < minVal) {
minVal = userVals[i][j];
}
}
}
You can see that we're just looping through all the elements in the array and keeping track of the smallest number we've seen so far.
There are a few different ways to find the minimum value in an array, but this is the most straightforward. Give it a try the next time you need to find the minimum value in an array!
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To write data to a file, you define an object of type _________. to read data from a file, you define an object of type _________.
To write data to a file, you define an object of type fstream to read data from a file, you define an object of type ofstream. The correct options are c and d.
What is data?Data is an amount of information and collection that is recorded and saved for a gathering of information that is used in the future. Data is of various kinds.
In a computer, data files are saved and all the things that happen in the computer are saved in the computer memory.
C++ Files and Streams are fstreams and ofstream is a C++ output file stream.
Therefore, the correct option is c, ofstream, and d, fstream.
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The question is incomplete. Your most probably complete question is given below:
inputFile
ifstream
ofstream
fstream
When using storage phosphor plates what equipment is necessary in addition to computer software?
When using storage phosphor plates (SPPs), you will need a few pieces of equipment in addition to computer software. First, you will need a phosphor reader, which is a device that converts the latent image on the SPP into an electrical signal. This signal can then be digitized and displayed on a computer.
Second, you will need a storage phosphor imager, which is a device that captures the electrical signal from the phosphor reader and converts it into a digital image. This digital image can then be viewed on a computer screen or printed out.
Lastly, you will need a computer with software that can process the digital image. This software is used to enhance the image, make measurements, and perform other analysis.
With the proper hardware, software, and storage system, you'll be able to fully utilize the benefits of storage phosphor plates.
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Miriam recently lost a considerable amount of weight. Her heart races when she gets on the bus for school, and she gets frequent headaches. Her mind is constantly focused on negative thoughts about school.
Miriam’s symptoms are signs that she should seek professional help for which mental health condition?
apathy
anxiety
sensitivity
impulsiveness
Answer: B
Explanation:
When implementing one or more local variables in a function, where in a program's memory space do these variables typically get stored (assume the variables are non-static)?
Variables mean storage area in the computer's memory. Individually variable gives a whenever the function runs, its regional variables are allocated.
What is a variable? A variable in programming is a topic that can vary based on exterior elements or data that has been supplied to the program. A program generally consists of data that it operates while running and instructions that tell the engine what to manage. In a computer program, information is stored in variables so that it may be accessed and changed. They also give us a means to give data a descriptive name, making it easier for us and the reader to understand our programs. It can be useful to conceive of variables as data storage units. Variables permit us to keep, modify and access this knowledge as the schedule runs.Variables can hold all sorts of details.To learn more about variables, refer to:
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What computer component performs calculations and is known as the 'brains' of the computer?
In computers, the Central Processing Unit (CPU) is the primary component that performs all calculations and is considered as the brain of the computers.
The CPU is the base of a computer's operations that performs all calculations necessary to process instructions. It is the CPU that handles data processing in the computers by interpreting and executing instructions. The CPU is also called the brain of the computer.
The CPU is the core component in computers that handles data manipulations, processes instructions, runs programs, enables communication with input, output and storage devices, and regulates all external and internal devices. That is why this component of the computer is also referred to as the decision maker or brain of the computer. Because, it can calculate and perform millions of artihmatic calculation in just a nanosecond.
The CPU can perform such arithmatics and logic calculations, that are mostly performed by arithmatic logic unit ALU of the CPU.
The CPU performs calculations on data in three Steps:
Fetch: The CPU receives the data through input devices. Decode: The CPU processes the input data by performing calculations with pre-implemented algorithms. Execute: The CPU sends the processed data to output devices.You can learn more about Central Processing Units (CPU) at
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By inspecting the raw data in the packet content window, do you see any headers within the data that are not displayed in the packet-listing window? if so, name one.
No, even though the raw data and the information displayed in the packet-listing window appear to match identically, we don't see any headers.
Describe the HTTP GET Method.
When requesting data from a specific source, the HTTP (HyperText Transfer Protocol) GET method is utilized. Additionally, it can be used to isolate a certain variable from a group. The HTTP POST method asks the providing browser to send data into the server's message system. The GET method and the POST method can both be used to access HTML structures. Whether the POST method or the GET method is chosen, it will affect how form data is sent to the server. For Example-
GET /hello.htm HTTP/1.1
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
Host: www.checkers.com
Accept-Language: en-us
Accept-Encoding: gzip, deflate
Connection: Keep-Alive
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Which internet protocol (ip) v6 header field is used to determine the quality of service level for a datagram?
The quality of service level for a datagram is determined by the flow label internet protocol (ip) v6 header field.
To determine the quality of service level for a particular datagram, routers employ the flow label field in conjunction with the traffic class field. A flow is a set of packets that are sent in succession from a specific source to a specific unicast or multicast destination. The intervening routers must also handle the source specifically.
A control protocol may inform the routers of the unique handling's nature. A resource reservation protocol could be the control protocol.
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When yahoo! makes decisions about whether or not to collect personal information about customers when they use its website, this is an example of?
When yahoo! makes decisions about whether to collect personal information about customers when they use its website, this is an example of an ethical issue.
Who is a customer?
A customer is a person who places an order for a product, pays for a product or service, and then receives it. He or she can also be a user of the things or services that are being provided.
Yahoo! decided that they would not be collecting personal information of the client as this is the topic of personal privacy, then the company has shown some ethical values and beliefs and the company has respected them.
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A user reports that her monitor will not allow her to switch back-and-forth between Microsoft Word and the Internet explorer. This points to a possible problem with which function of the operating system 
Answer: In a multiprogrammed system, the CPU is always able to share its time between the various programs and the different peripheral devices that need your attention, requiring a mechanism that allows the CPU to change between one software and another without problems.
The interruption mechanism was the basis for the implementation of the schematic parallelism between CPU and different software. For this reason, we can say that if a user reports that the computer monitor does not allow him to switch between Microsoft Word and Internet Explorer. This points to a possible problem with the interrupt mechanism.
Which argument is not a default filter for data?
O Does Not Equal
O Above Average
O Less Than
O Top 50
The one that is not a default filter for data is Top 50. The correct option is D.
What is a data filter?Creating Default Filters for Workbooks setting default filters on the dashboard ensures that anyone visiting the page for the first time sees the same filters. Dashboards sent via email always include the default filters.
Filters can be used to narrow down and hide sections of your worksheet's data. While it may sound similar to grouping, filtering differs in that it allows you to qualify and display only the data that is of interest to you.
Among the several data filters, top 50 is not the one that is included in this list.
Thus, the correct option is D.
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Give three reasons why assembly-line processes are more efficient but less flexible than batch processes?
Three reasons why assembly line processes are more efficient but less flexible then batch processes.
1. Assembly lines leverage economies of scale, they are typically more effective than batch procedures. In other words, they include producing a lot of goods, which lowers the cost of producing each item individually. When buying in volume, manufacturers may frequently get things at a bargain.
2. Products are produced in batches using a batch method, whereas manufacturing runs continuously on an assembly line. Making a loaf of bread, for instance, is an example of a batch process, whereas manufacturing cars is an example of an assembly line process.
3. While modifications in design and functionality are conceivable in the batch process, they are much more challenging to implement in an assembly line due to the continual production of various parts. In a batch process, a baker might alter the type of flour in response to a customer's request, while a car manufacturer using an assembly line approach would not be able to alter the design of the vehicle.
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Which of the following explains different types of efficiency? (1 p
O Code length refers to the number of characters in the code. Code cc
O Code complexity refers to the number of characters in the code. Coc
O Time complexity refers to the amount of memory used. Space compl
O Space complexity refers to the amount of memory used. Time comple
Answer:
the third one os the second one
Explanation:
Devices which collect personal health data are:___.
a. outdated.
b. never going to be used.
c. cool.
d. wearable.
Devices that collect personal health data are wearable. Thus, the correct option to this question is (d) wearable.
The terms wearable devices refer to small electronic and mobile devices with sensors and wireless communication capability that are embedded into accessories, gadgets, or clothes, which can be worn by the humans. The wearable devices, when worn by the person, use sensors to collect personal health data.
The wearable devices, when placed on the personal body, can measure health data such as heartbeat, breathing rate, temperature, glucose level, blood oxygen, and blood pressure as well as electrical activity of the brain, heart, skin and muscles.
The wearable devices provide aid to detect major health problems in the early stages. The wearable devices are increasingly helping people to better monitor health status both at personal and medical level.
Other options are incorrect because:
Outdated: Outdated means not in use anymore. But wearable health devices are a way forward to get insight about personal health. Never going to be used: With the technological advancements, the potential future of wearable devices to collect personal health data will be increasing. Cool: Not a suitable term to answer the question.
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Given positive integer num_insects, write a while loop that prints that number doubled up to, but without exceeding 100. Follow each number with a space.
This question requires to write a program that uses a “while loop" and prints the double of a given positive integer type number named “num_intsects” up to the limit of 100. The result of a “double” should not exceed 100. And, the output needs to be printed in a single line in which each doubled number value is followed by a space.
Following is the required program written in Python:
num_insects = int(input('Enter a positive number: ')) # Defines a variable named num_insect to input a positive integer number
while num_insects <= 100: # while loop that checks the num_insects does not exceed 100. Inside the body of while loop num_ insects is doubled and its result is printed
print(num_insects, end=' ') # Prints the computed result and a white space
num_insects *=2 # Doubles the num_insects and stores computed double value in it
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group of artists is making a website. When should they use classes?
A. They want to make their h3 tags bigger than their h1 tags.
B. They want headings to be one color, but paragraphs to be a different color.
C. They want some images to float left, and other images to float right.
D. They want all the pages on their site to have the same style.
E. They want make a special color using RGB codes.
When they want some images to float left, and other images to float right then they can use classes. The correct option is C.
What is a website?A website is a collection of World Wide Web pages that are usually linked to one another and are made available online by an individual, company, educational institution, government, or organization.
CSS and JavaScript can use classes to select and access specific elements using class selectors or functions like the DOM method document.
Artists can use classes to make some images float to the left and others float to the right.
Thus, the correct option is C.
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_______ reality allows physical and virtual elements to interact with one another in an environment; it is not a fully immersive experience because it maintains connections to the real world.
Augmented reality allows physical and virtual elements to interact with one another in an environment; it is not a fully immersive experience because it maintains connections to the real world.
Augmented reality is a term used to describe the process of overlaying digital images onto the real world to escalate them with digital attributes. It uses the physical world environment and connects it with virtual data. In addition to this connection, augmented reality comes up with real-time interaction and three-dimensional registration of virtual and real things.
Sensors, processors, display units, and different input devices make up the hardware units of augmented reality. The display allows the images of both the virtual and physical world to be placed over the user's area of view.
It is playing a major role in enhancing the gaming, commerce, and literature fields. It also plays role in architecture by providing three-dimensional visualization of 2D drawings.
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A sysadmin is looking to use pre boot execution over a network by keeping operating system installation files on a server. which type of server is this most likely to be?
This type of server is this most likely to be TFTP server. A straightforward protocol called Trivial File Transfer Protocol (TFTP) is used to transfer files between two TCP/IP machines.
Simple file transfers are done using a TFTP server (typically for boot-loading remote devices). TFTP clients can connect to TFTP servers to send and receive files. All that the TFTP protocol can do is send and receive files. It is not possible to delete, transfer, or rename files.
Due to its restrictions, TFTP is an addition to standard FTP rather than a substitute. It is only utilized when features are not essential and simplicity is desired. Although it can be used for various things, bootstrapping is its most popular application.
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What method of the number object returns the string for a number with base 10 as the default?
a. the tostring() method
b. the tofixed() method
c. the round() method
d. the toprecision() method
The toString( ) method of the number object returns the string for a number with base 10 as the default.
The String representation of the object is returned by the function toString() { [native code] }() function. Java compiler internally calls the function toString() { [native code] }() function on any object when you print it. Therefore, overriding the function toString() { [native code] }() function yields the appropriate result, which, depending on your implementation, may be the state of an object, among other things.
To return a string representation of an object, use the function toString() { [native code] } function. The function toString() { [native code] }() function is internally called by the Java compiler whenever any object is printed. If not, the function toString() { [native code] }() function that was user-implemented or modified is called.
What does Java's function toString() { [native code] }() function serve? The function toString() { [native code] }() function returns a textual representation of the object when used to represent an object of a class as a String.
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Which tab should you click if you want to add a caption for a picture or image in your Word document?
a. file
b. home
c. layout
d. references
e. mailings
Answer:
References
Explanation:
Which hardware part would you check if the computer keeps turning off but the hdd and ram are positive?
The power supply unit should be checked if the computer keeps turning off but the hard disk drive and RAM are positive.
The power supply unit is abbreviated as PSU and is the hardware component that performs the role of electric power supply to the computer as it converts the alternating current to low voltage direct current. A rectifier is the part of the power supply unit that converts alternating current to low voltage direct current. The transformer inside the power supply unit manages the voltage received by PSU while the part known as the voltage operator manages the direct current supplied by the power supply unit.
If the power supply unit is not working properly it may cause the computer to shut down arbitrarily as all the components of the computer require power and if they don't receive the desired power they won't function which will cause the computer to shut down. When the power supply unit is damaged, it may smoke if more than the normal amount of electricity passes through it.
A bad power supply unit generally does not affect the RAM or hard disk drive so if the RAM and hard disk are checked to be functioning properly then the power supply unit should be checked.
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How do Bluetooth devices connect with a computer?
A. the devices are connected by a SATA cable
OB. the devices are connected by radio frequency Instead of a cable
OC. the devices are physically connected via USB
OD. the devices are connected by a driver
Answer:
OB
Explanation:
The addition or removal of users from a wired network by an administrator is an example of:_________
The expansion or reduction of users from a wired network by an administrator is a sample of Ethernet.
What is the wired network?Devices, including laptops and desktop computers, are connected to the Internet or another network via cables in a wired network. Compared to a wireless network, a wired network has some drawbacks. The fact that your gadget is connected to a router is its main drawback. A wired network uses wires to connect devices, including laptops and desktop PCs, to the Internet or another network. (a) Wireless Network: A wireless network is one that uses electromagnetic (EM) or infrared (IR) waves as its transmission medium instead of a wire. All wireless gadgets will have antennas or sensors. While an Ethernet connection sends data by cable, a WiFi connection sends it over wireless waves.To learn more about wired network, refer to:
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The __________ in suzi's computer is responsible for the operation sent to it by the software.
The CPU in suzi's computer is responsible for the operation sent to it by the software.
What is CPU of a computer?A central processing unit (CPU), is known to be a term that is often called the central processor.
It is known to be the key processor that act as the electronic circuitry that carry out instructions and it is one that is made up of a computer program.
Therefore, The CPU in suzi's computer is responsible for the operation sent to it by the software.
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Your network follows the 100base-fx specifications for fast ethernet and uses half-duplex multimode cable. What is the maximum cable segment length allowed?.
Answer: Fiber optic cabling usually needs interduct to protect it as the cable is fragile and expensive if you break it
On half-duplex links, the segment length cannot exceed 412 m. Either SC, MIC, or ST fiber optic connectors can be used, but SC is recommended.As an example, a 100BASE-FX fiber optic segment using a typical multimode fiber optic cable is limited to segment lengths of 412 meters (1351.6 feet) in half-duplex mode.
