what is the use of LEFT$ function
Answers
Answer:
It is used by combining it with other functions such as VALUE, SUM, COUNT, DATE, DAY, etc.
Related Questions
All of the following are ways to avoid injuries when working on computers except Select one: O A. taking breaks O B. ensuring proper lighting O so you are looking up at it OD. purchasing an adjustable chair ? Ҷх – 2 O
Answers
The option that is not a way to avoid injuries when working on computers is ensuring proper lighting so you are looking up at it, option C is correct.
Proper lighting is important for computer work to reduce eye strain and prevent visual discomfort, but the specific condition where you are looking up at the lighting, is not a recommended practice.
In fact, it is generally advised to have the lighting positioned in a way that avoids glare on the screen and provides even illumination without causing strain on the neck or eyes.
Regular breaks help reduce eye fatigue, muscle tension, and the risk of repetitive strain injuries (RSIs).
Adequate lighting conditions in the workspace help prevent eye strain and discomfort.
An adjustable chair allows you to maintain proper posture, support your back, and adjust the height and position of your workstation to minimize strain on the body.
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Select the correct answer from each drop-down menu. Which similar computer network components connect multiple devices? and are similar computer network components that connect multiple devices in a computer network.
Answers
The similar computer network components connect multiple devices is Switches
A Network Switch and Network Hub are similar computer network components that connect multiple devices in a computer network.
What is the computer network?Switches connect network devices at Layer 2 of the OSI model. When devices are connected to a switch, it facilitates communication between them by forwarding data packets based on their MAC address.
Packet switching is done by switches with multiple Ethernet ports for device connection. Switch ports create network segments for devices to communicate and improve network performance.
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Which similar computer network components connect multiple devices?
A _____ and ________ are similar computer network components that connect multiple devices in a computer network.
A CD and a DVD are both secondary storage devices, explain to a friend the difference between both
Answers
Answer:
i dont have any friends to explain it to
Explanation:
in deadlock prevention, which condition is usually prevented to make sure that deadlocks cannot occur in the system? a. mutual exclusion b. hold and wait c. preemptive scheduling d. no preemption of resources e. circular wait for resources
Answers
Through the Deadlock Prevention Scheme, At least one component must be non sharable in order to guarantee that the hold-and-wait condition never arises in the structure. THE APPROPRIATE Response IS (B).
How do you make sure there is never a deadlock?
The system may employ a deadlock avoidance or prevention strategy to guarantee that deadlocks never happen. A collection of procedures for making sure that at least one of the necessary conditions cannot hold is provided by deadlock prevention. By placing restrictions on resource demands, these techniques avoid deadlocks.
Which of the following does not make a deadlock inevitable?
Consequently, the mutual resolution is not a prerequisite for a deadlock to persist in a technology.
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contoh ralat sintaks
Answers
Consider a B+ tree being used as a secondary index into a relation. Assume that at most 2 keys and 3 pointers can fit on a page. (a) Construct a B+ tree after the following sequence of key values are inserted into the tree. 10, 7, 3, 9, 14, 5, 11, 8,17, 50, 62 (b) Consider the the B+ tree constructed in part (1). For each of the following search queries, write the sequence of pages of the tree that are accessed in answering the query. Your answer must not only specify the pages accessed but the order of access as well. Assume that in a B+ tree the leaf level pages are linked to each other using a doubly linked list. (0) (i)Find the record with the key value 17. (ii) Find records with the key values in the range from 14 to 19inclusive. (c) For the B+ tree in part 1, show the structure of the tree after the following sequence of deletions. 10, 7, 3, 9,14, 5, 11
Answers
The B+ tree structure after the sequence of deletions (10, 7, 3, 9, 14, 5, 11) results in a modification of the tree's structure.
(a) Constructing a B+ tree after the given sequence of key values:
The B+ tree construction process for the given sequence of key values is as follows:
Initially, the tree is empty. We start by inserting the first key value, which becomes the root of the tree:
```
[10]
```
Next, we insert 7 as the second key value. Since it is less than 10, it goes to the left of 10:
```
[10, 7]
```
We continue inserting the remaining key values following the B+ tree insertion rules:
```
[7, 10]
/ \
[3, 5] [9, 14]
```
```
[7, 10]
/ \
[3, 5] [9, 11, 14]
```
```
[7, 10]
/ \
[3, 5] [8, 9, 11, 14]
```
```
[7, 10]
/ \
[3, 5] [8, 9, 11, 14, 17]
```
```
[7, 10, 14]
/ | \
[3, 5] [8, 9] [11] [17]
\
[50, 62]
```
The final B+ tree after inserting all the key values is shown above.
(b) Sequence of pages accessed for the search queries:
(i) To find the record with the key value 17:
The search path would be: [7, 10, 14, 17]. So the sequence of pages accessed is: Page 1 (root), Page 2 (child of root), Page 3 (child of Page 2), Page 4 (leaf containing 17).
(ii) To find records with key values in the range from 14 to 19 inclusive:
The search path would be: [7, 10, 14, 17]. So the sequence of pages accessed is the same as in (i).
(c) Structure of the tree after the given sequence of deletions:
To show the structure of the tree after the deletion sequence, we remove the specified key values one by one while maintaining the B+ tree properties.
After deleting 10:
```
[7, 14]
/ | \
[3, 5] [8, 9] [11, 17]
\
[50, 62]
```
After deleting 7:
```
[8, 14]
/ | \
[3, 5] [9] [11, 17]
\
[50, 62]
```
After deleting 3:
```
[8, 14]
/ | \
[5] [9] [11, 17]
\
[50, 62]
```
After deleting 9:
```
[8, 14]
/ | \
[5] [11, 17]
\
[50, 62]
```
After deleting 14:
```
[8, 11]
/ \
[5] [17]
\
[50, 62]
```
After deleting 5:
```
[11]
/ \
[8] [17]
\
[50, 62]
```
After deleting 11:
```
[17]
/ \
[8] [50, 62]
```
The final structure of the tree after the deletion sequence is shown above.
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Is the GPU shortage over? What do you think this means for other
chip-using industries? Why else do you think the prices are falling
on chip based products?
Respond to the question in full sentences.
Answers
The GPU shortage is not entirely over, but there have been some improvements in recent months. The GPU shortage has primarily been driven by a combination of factors, including the global semiconductor supply chain constraints, increased demand due to the growth of gaming and remote work, and the high demand for GPUs in cryptocurrency mining.
As for the impact on other chip-based products, the semiconductor shortage has affected various industries such as automotive, consumer electronics, and telecommunications. Manufacturers of these products have faced challenges in meeting the high demand, leading to delays and increased costs. However, as production capacity for semiconductors gradually ramps up and various governments invest in domestic chip production, the situation may improve in the coming months.
In summary, the GPU shortage is still ongoing but showing signs of improvement. The consequences of this shortage extend to other chip-based products, leading to production delays and increased costs across different industries. As semiconductor production increases and global efforts to resolve the issue continue, we can hope to see more stable supply chains and reduced shortages in the near future.
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Consider the following code:
values = []
for i in range(5):
values.append(int(input("Next number: ")))
print(values)
If the line print(len(values)) is appended to this code, what is output by that print(len(values)) line?
Answers
Answer:
5
Explanation:
The output of the line print(len(values)) would be 5, since the for loop iterates 5 times and adds 5 values to the values list using the append() method.
What is coding?Coding, also known as computer programming, is the method by which we communicate with computers.
Code tells a computer what to do, and writing code is similar to writing a set of instructions. You can tell computers what to do or how to behave much more quickly if you learn to write code.
The output of the print(len(values)) line is 5.
This is due to the fact that the values list is initially defined as empty []. The for loop then iterates five times, prompting the user to enter a number, which is then appended to the values list using the append() method. When the loop is finished, the length of the values list will be 5.
Therefore, when print(len(values)) is executed, it will print the length of the list, which is 5.
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Explain any TWO (2) data information that shall be covered under "Safety Data Sheet" and elaborate why do you think the information is needed
Answers
Safety data sheets include details about chemical items that assist users in evaluating the risks. They outline the risks the chemical poses and include details on handling, storage, and emergency procedures in the event of an accident.
The properties of each chemical, its physical, health and environmental properties, protective measures, and precautions for handling, storage and transportation of the chemical are contained in a safety data sheet (formerly called safety data sheet).
Provides recommendations for each individual chemical on topics such as:
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. if the hlen field at l4 is 0xa, how many bytes of options are included in the header?\
Answers
The hlen field in the L4 header specifies the length of the header in 32-bit words. Therefore, if the hlen field at L4 is 0xa, then the header length would be 10*4=40 bytes.
The options field is optional in the TCP/IP protocol suite and is provided in the header only if necessary. If you include the options, their length is configurable and is set in the options field. The maximum length of the options field in TCP is 40 bytes. As a result, a value of 0xa in the hlen field at L4 indicates that the length of the header is 40 bytes, which is the maximum length of the choices field.
The options field is used to offer extra information not contained in the normal header. Maximum segment size (MSS), window scaling, the selective acknowledgment (SACK), and timestamp are a few examples of settings. The options field is used to negotiate these parameters between the sender and receiver of a TCP segment.
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Which of these is a standard for describing a wifi network?
4G
802.11ac
100BaseT
mesh
Answers
Answer:
4g
Explanation:
i say 4g because its a standard for describing a wifi network.
Answer:802.11ac
Explanation:for me on k12 its 802.11ac not 4g
Please help
One morning at 10:15 the employees start complaining that they cannot access the company’s intranet. You are the only tech support person in the office that day.
You do not have access to all the tools the rest of the support team has, but you do have access to the Web server, the network operating system, a workstation and operating system, and a command line interface. You check the Web server that runs the intranet and it is working fine. You can ping the address from your workstation, so you know it is working. But, like everyone else, you are not able to access the site itself.
What are some of the tools you would use to determine the problem? To illustrate this, use a search engine as a surrogate for the intranet site. Using tools you learned about in this lesson, discover as much as you can about the connection between your computer (at home or in the computer lab)
Look at each element of the connection (e.g., DNS data, IP address, number of hops to get to the Web site). Pick three of these elements that you think could be the cause of the imaginary problem and troubleshoot them on paper—write down the steps you take to test each element to determine the real problem. Pick one of them as the source of the trouble and repair that problem.
Answers
Answer:
First check the if the adapters on the router or site are connected (Ipconfig)
Next run a flush Dns to clear the sites dns logs (ipconfig/flushdns)
If non of that works you would run a restart on the server that is transfering data through the site.
If that doesn't work you will have to call a tech support from another company or your boss to tell him that there is nothing you can do and to ask for help!
Explanation:
Hopefully this helps! BTW I'm 13 so I wouldn't rely on my information that is personal what I would do though.
a a a a I don't need help!?
Answers
Answer:
ok
Explanation:
ok
Amanda needs to manually calculate an open worksheet.Which of the following options should she click on in the Formulas tab in the Calculation group?
A) Calculate Now
B) Calculate Sheet
C) Watch Window
D) Calculation Options
Answers
The option that Amanda should click on in the Formulas tab in the Calculation group to manually calculate an open worksheet is "Calculate Now" (option A).
The "Calculate Now" option is used to manually initiate the calculation of all formulas in the worksheet. By clicking on this option, Amanda can ensure that all formulas are recalculated and updated with the latest values.
Options B, C, and D are not directly related to manually calculating the worksheet. "Calculate Sheet" (option B) is used to recalculate the selected sheet within the workbook. "Watch Window" (option C) is used to monitor specific cells or formulas for changes. "Calculation Options" (option D) allows for customization of the calculation settings, but it does not trigger a manual recalculation of the worksheet.
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differenticate between half and full deplex modes of transmission in three points
Answers
Answer:
In simplex mode, the signal is sent in one direction. In half duplex mode, the signal is sent in both directions, but one at a time. In full duplex mode, the signal is sent in both directions at the same time.In simplex mode, only one device can transmit the signal. In half duplex mode, both devices can transmit the signal, but one at a time. In full duplex mode, both devices can transmit the signal at the same time.Full duplex performs better than half duplex, and half duplex in turn performs better than simplex.Hope it helps!
What is mark in in premiere pro
Answers
1. (3)2 points possible (graded, results hidden)Suppose that we now find the linear separator that maximizes the margin instead of running the perceptron algorithm.What are the parameters and corresponding to the maximum margin separator
Answers
The parameters and corresponding to the maximum margin separator are:
Ө0=0 and Ө=(1/sqrt(2)), respectively.
What is a maximum margin separator?In a two-dimensional space, a Maximal Margin Separator is a hyperplane (in this example, a line) that entirely separates two classes of observations while leaving the largest space between the line and the nearest observation.
The support vectors are the closest observations.
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Answer these two if u can❤️
Answers
Answer:
View for question 3 and Page layout for question 4
Explanation:
Question 4 is Page Layout
Thank you!
1.Two robots start out at 426c cm. apart and drive towards each other. The first robot drives at 5 cm per second and the second robot drives at 7 cm. per second. How long will it take until the robots meet?
In your response below, please answer each of the following questions:
a. What is the question being asked?
b. What are the important numbers?
c. Are their any variables?
d. Write an equation.
e. Solve the equation.
f. Do you think your answer is reasonable? Explain.
Answers
Answer:
a. The time it will take for the two robots meet
b. The important numbers are;
426 (cm), 5 (cm/second) and 7 (cm/second)
c. Yes, there are variables
d. The equation is 5 cm/s × t + 7 cm/s × t = 426 cm
e. The solution of the equation is, t = 35.5 seconds
f. Yes, the answer is reasonable
Explanation:
a. The question being asked is the time duration that will elapse before the two robots meet
b. The important numbers are;
The distance apart from which the two robots start out, d = 426 cm
The speed of the first robot, v₁ = 5 cm/second
The speed of the second robot, v₂ = 7 cm/second
c. The variables are;
The distance apart of the two robots = d
The speed of the first robot = v₁
The speed of the second robot = v₂
The time it takes for the two robots to meet = t
d. The equation is;
v₁ × t + v₂ × t = d
Plugging in the known values of v₁, v₂, we have;
5 cm/s × t + 7 cm/s × t = 426 cm...(1)
e. Solving the equation (1) above gives;
5 cm/s × t + 7 cm/s × t = t × (5 cm/s + 7 cm/s) = t × 12 cm/s = 426 cm
∴ t = 426 cm/(12 cm/s) = 35.5 s
t = 35.5 seconds
f. The time it would take the two robots to meet, t = 35.5 seconds
The answer is reasonable, given that the distance moved by each robot in the given time are;
The distance moved by the first robot, d₁ = 35.5 s × 5 cm/s = 177.5 cm
The distance moved by the second robot, d₂ = 35.5 s × 7 cm/s = 248.5 cm
d₁ + d₂ = 177.5 cm + 248.5 cm = 426 cm.
_____ changes all occurrences of misspelled words in a document.
A. Options
B. Replace
C. Change All
D. Explain
Answers
Answer:
My answer is C.
A customer seeks to buy A new computer for private use at home. The customer primarily needs the computer to use the microsoft powerpoint application for the purpose of practising representation skills. As a salesperson what size hard disc would you recommend and why?
Answers
Answer:
I think 128GB of storage would be fine.
Explanation:
It sounds like this person he's only looking to do basic tasks as you would still have room to do other things.
permutations are used when the order in which different objects are arranged matters. T/F
Answers
True. Permutations are a mathematical concept used to calculate the number of ways in which objects can be arranged when the order in which they are arranged matters.
Permutations are used when the order in which different objects are arranged matters. In the main answer, it is important to know that permutations take into account the arrangement of objects, where the order is significant. In more detail, a permutation is a specific ordering of a set of objects or elements, and it is used to determine the number of possible arrangements for those objects.
The formula for calculating permutations is n! / (n-r)! where n represents the total number of objects and r represents the number of objects being arranged in a specific order.
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pls, help it's urgent... 44 points plsssssssssssssssss
Write an algorithm and Flowchart for reversing a Number eg. N=9486.
Answers
The steps to reverse a number is given below:
The AlgorithmStep 1 Start
step 2 Read a number n
Step 3 a=n/1000
step 4 calculate b=(n%1000)/100
step 5 calculate c= (n%100)/10
step 6 calculate d = n%10
step 7 calculate reverse = a+(b*10)+(c*100)+(d*1000)
step 8 display reverse
step 9 stop
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What new geometric data type in teradata's data warehouse captures geospatial features?
Answers
Teradata introduced a new geometric data type called ST_Geometry to capture geospatial features in its data warehouse.
ST_Geometry is an extension to the ISO SQL/MM Part 3 Spatial standard and supports both 2D and 3D spatial data types, including points, lines, polygons, and other complex geometries. It also includes a wide range of spatial functions for analyzing and manipulating geospatial data within the Teradata database.
Teradata introduced a new geometric data type called ST_Geometry to capture geospatial features in its data warehouse. ST_Geometry is a proprietary data type that supports storage, retrieval, and manipulation of geospatial data within Teradata's database platform. It is designed to work seamlessly with Teradata's parallel processing architecture, enabling fast analysis of large volumes of spatial data.
ST_Geometry is based on the standards set by the Open Geospatial Consortium (OGC), which defines a common interface for working with geospatial data across different software platforms. This means that ST_Geometry can be used with other OGC-compliant systems for data interoperability.
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Consider the following code:
s = [63, 72, 21, 90, 64, 67, 34]
s.sort(reverse = True)
print(s)
What is output?
[21, 34, 63, 64, 67, 72, 90]
[90, 72, 67, 64, 63, 34,21].
[63, 72, 21, 90, 64, 67, 34]
[34, 67, 64, 90, 21, 72, 63]
Answers
Answer:
[90, 72, 67, 64, 63, 34,21]
Explanation:
Sorting puts numbers in ascending order, reverse = True switches that to descending.
Can you write a story about any princess?
Mark brainiest. Please
Answers
Okay well here's a short one. The main problem in Cinderella is that she wants to go to the ball but her stepsisters prevent her from going because they wanna marry the prince-
Cinderella is a beautiful kind daughter sees the world upside down when her mother dies and so her father in pain marries another woman who is wicked and the name is "Lady Termaine" she has two cruel daughters who get so jealous so easily. The daughters are named Drizella & Anastasia.
What are some uses for a class webpage?
Answers
Answer:
The webpage, either classroom- or grade-level, can be designed to include numerous items that are helpful to parents, community members, and students. It provides a place for parents to go after hours to view information about homework assignments, calendar of events, classroom pictures, study links, and more.
A progress Bar appears as a Dark blue line in the Gantt chart Bar when
OA. We print the Repda
OB. We enter the actual values
OC. We create Summary Tasks
OD. We Enter Resources
Answers
Answer: The answer is OD
Explanation:
The answer is OD. We Enter Resources. A progress bar in a Gantt Chart Bar will appear when resources are entered, as the progress bar is used to visually show how much of the task has been completed. When resources are entered, the progress bar will be blue to indicate the amount of work done by each resource on the task.
On a piano, a keyu has a frequency, say fo. EACH HIGHER KEY (BLACK AND WHITE) HAS A FREQUENCY OF (F0) * r ^n , where n is the distance ( number of keys) from that that key, and r is 2^(1.0/12.0). Given an inital key frequency, output that frequency and the next 4 higher key frequencies. EX: IF THE INPUT IS 440 , THE OUTPUT IS in coral language
Answers
Answer:
// Program is written in Coral Programming Language
// Comments are used for explanatory purpose
// Program starts here
// Variable declaration
float f0
int numkey
//Prompt user for input
Put "Enter Initial Key Frequency: " to output
f0 = Get next input
//Initialize number of keys
numkey = 1
//Print first key frequency
Put "Key Frequencies: " to output
Put f0 to output
put " " to output
for numkey = 1; numkey <= 4; numkey = numkey + 1
//Calculate next frequency
f0 = f0 * RaiseToPower(2,(1.0/12.0))
//Print Frequency
Put f0 to output
Put " " to output
//End of Loop
//End of program
Explanation:
Line 1 to Line 4 are comments
Line 5 and 6 are for variable declarations;
On line 5, variable f0 is declared as float
On line 6, variable numkey is declared as integer
Line 7 is a comment
Line 8 prompts user for input
On line 9, the user input us saved in variable f0
Line 11 initialized numkey to 1
Line 13 prints the string "Key Frequencies: " without the quotes
Line 14 prints the value of f0
Line 15 prints a blank
So, if for instance f0 = 440
Line 14 and 15 will print "440 " without the quote
Take note of the space after 440
Line 16 to 22 calculate and print the next 4 frequency using the given formula
Can somebody help me and make a code for this in PYTHON, please? I would be very thankful!
It is estimated that China on July 1, 2019. had 1,420,062,022 inhabitants, and India 1,368,737,513. The population in China increases by 0.35% every year, and in India by 1.08%. After how many years will India surpass China in terms of population, assuming that the annual population growth in neither of these two countries will change?
I think it should be used command FOR...
Answers
Code:
population_china = 1420062022
population_india = 1368737513
years = 0
while population_china >= population_india:
population_china *= 1.0035
population_india *= 1.0108
years += 1
print(years)
Output:
6
Explanation:
Using a while loop would probably be of greater use than a for loop since we are increasing the population growth of both countries until India's population surpasses China's population (so a condition needs to be set).
Looking at the code, we first set the original population of both countries in their own variables (population_china, population_india). We also set the 'years' variable at 0, which will increase with respect to the yearly population growths of both countries. In the while loop, the condition population_china >= population_india will allow for the variable 'years' to increase until population_india surpasses population_china. Once India's population is larger than China's population, we are left with the number of years it takes for India's population to surpass China's population, which is 6 years.
Hope this helps :)