Pointers: What is required if the pointers are used for indirect addressing and need to be assigned a value?
Answers
To assign a value to "ptr", the programmer can use the "&" operator to obtain the address of a valid variable or memory location, and assign it to "ptr" using the assignment operator "=".
If pointers are used for indirect addressing and need to be assigned a value, the programmer must first declare the pointer variable with the appropriate data type, and then initialize it to point to a valid memory address.
In languages like C and C++, pointer variables are declared using the "*" operator and a data type.
To declare a pointer to an integer variable, the following syntax can be used:
int *ptr;
This creates a variable called "ptr" that is a pointer to an integer data type.
This point, "ptr" does not point to a valid memory location and dereferencing it would result in undefined behavior.
To assign a value to "ptr", the programmer can use the "&" operator to obtain the address of a valid variable or memory location and assign it to "ptr" using the assignment operator "=".
To assign the address of an integer variable called "x" to "ptr", the following syntax can be used:
int x = 42;
int *ptr = &x;
This sets the value of "ptr" to the address of "x", which can then be dereferenced using the "*" operator to obtain the value stored at that memory location.
Pointers for indirect addressing, the programmer must declare the pointer variable with the appropriate data type, and then initialize it to point to a valid memory location using the "&" operator and the assignment operator.
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Related Questions
idea citizen activation
Answers
Answer: The Citizen Activation badge is part of the iDEA Silver Award and is in the Citizen category, helping you learn digital awareness, safety and ethics.
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iDEA helps people develop digital, enterprise & employability skills for free. Log in or sign up to start a badge and begin to earn points on iDEA.
Which xxx completes the code to read every integer from file "data. txt"? fileinputstream inputstream = null; scanner infs = null; int total = 0; inputstream = new fileinputstream("data. txt"); infs = new scanner(filebytestream); while(xxx){ total = total + infs. nextint(); } system. out. println("total: " + total); group of answer choices inputstream. hasnextint( ) total != 0 infs. hasnextint( ) infs. eof( ) == false
Answers
Answer:
total+ infs . nex (xxx){total}
Explanation:
this is correct theres nothing wrong
What is the slope of the median-median line for the dataset in this table? (1 point) х у 2 72 5 76 8 8 92 15 104 16 110 19 110 22 140 36 166 54 132 66 180 (0 pts) m = 0.54 (0 pts) m = 0.68 X (0 pts) m = 1.23 (1 pt) m = 1.84
Answers
Thus, the slope of the median-median line for the dataset in this table is found as m = 1.23.
The slope of the median-median line for the dataset in this table can be calculated by first finding the median of both the x-values and y-values.
In this case, the median of the x-values is 15 and the median of the y-values is 104.
Next, we need to find the slope of the line that passes through the point (15, 104) and the median of the y-values for each of the three pairs of points [(2, 72), (8, 92)], [(16, 110), (36, 166)], and [(54, 132), (66, 180)].
The slopes of these three lines are 0.5, 1.3, and 1.7, respectively.
Taking the median of these three slopes, we get
(0.5 + 1.3 + 1.7)/3 = 1.17.
Therefore, the slope of the median-median line for the dataset in this table is approximately 1.17.
So, the answer is not given in the options, but it is close to m = 1.23.
It is important to note that the median-median line is a method for finding the line of best fit for a set of data and it may not always provide the most accurate or appropriate line of fit.
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Which media example would be best for mayas presentation
Answers
Answer: c. a diagram that explains the steps involved in photosynthesis
Explanation:
The best graphic to use would be one that explains the processes involved in the process of photosynthesis. The best option is therefore the third one as it would actually show useful information on what photosynthesis is and how plants use it to get energy.
The first option would not educate anyone on what photosynthesis is as it does not talk about the process. The second and fourth options are the same.
A fire caused by a person falling asleep with a lit cigarette is an example of a(n) __________ fire.
Answers
A fire caused by a person falling asleep with a lit cigarette is an example of a(n) accidental fire.
Cigarettes include irritants that could cause these tissues to expand, which would then result in the obstruction that causes snoring and sleep apnea. The possibility of dozing off while smoking is another risk of smoking, particularly before bed. This raises the possibility of fire or perhaps burn injury.
What is Accidental fire ?Accidental fires are ones for which there is no clear evidence that a person intentionally started or spread the fire. While this categorisation is obvious in the majority of cases, some intentionally started fires can be unintentional. An engineer intentionally starting a fire, for instance, by turning off a boiler.
electricity supply or other electrical equipment and appliances, cooking, or cooking appliances (cookers, ovens, hotplates, grill pans, deep-fat fryers, microwaves, and toasters).Learn more about Accidental fire here:
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an existing technology that would allow users to transfer images from the camera to the computer without connecting them
Answers
Answer:
wireless technology i guess??
Help me plz What character must always be used when a formula is enter in a cell? (on a spreadsheet)
Answers
Answer:
The equal sign "=" must be used.
Most, if not all, spreadsheet programs support formulas, but you must start them with an equal sign.
Can you see the processing step yes or no
Answers
Answer:
I cannot see anything on my screen
Explanation:
I can't see anything............................
What is information cycle
Answers
Answer:
The term information cycle refers to the way information is processed and distributed and how it changes over time. It is usually used to describe the progression of media coverage relating to a particular newsworthy event or topic during which information goes through various stages of reporting and publication.
Nadeen runs a website on vegan lifestyle. She wants to spread the word and make more people visit her site to read her recipes and articles. What should she do? select all that apply.
Answers
People do create website for their products. Nadeen should:
She must post new content on her website regularly. She must increase the number of pay-per-click advertisements on her website. She must regularly respond to user comments and questions. How should you post new content on your website?It is very vital to post your content daily and in the right manner without swearing.
A lot of experts do agree that posting of contents two to four times per week is the best method to see increased attraction to your content.
Posting every time and also responding to the comment of people will make people to known that your website is active.
See options below
Select all that apply.
A. She must post new content on her website regularly.
B. She must increase the number of pay-per-click advertisements on her website.
C. She must regularly respond to user comments and questions.
D. She must use a secure payment gateway.
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Break and continue statements allow you to:
A. prevent flags.
B. control a sentinel value.
C. close loops.
D. alter the flow of a program.
Answers
Answer:
D: Alter the flow of a program
Explanation:
Break statements are used to terminate the current loop and resume execution at the next statement. Continue statements are used to skip over the part of a loop where an external condition occurs/is triggered, but will go on the complete the rest of the loops.
Therefore, the answer is D because both of these statements alter the flow of a program whether it is terminating or skipping.
Which of the following functions will the typical point-of-sale system perform?
A) Computing the annual dollar usage value of every item in the inventory
B) Allowing the owner to check on the inventory level of any item listed in the database
C) Reconciling actual inventory levels with inventory levels reported by the system
D) Calculating the EOQ on any item in inventory
Answers
Among the given options, the typical point-of-sale system will perform functions B) Allowing the owner to check on the inventory level of any item listed in the database and C) Reconciling actual inventory levels with inventory levels reported by the system.
Function B allows the owner or user of the point-of-sale system to easily access and retrieve information about the inventory levels of any item listed in the database. This helps in tracking the availability of products and managing inventory effectively.
Function C involves comparing the actual inventory levels, which are physically present in the store or warehouse, with the inventory levels reported by the point-of-sale system. This reconciliation process ensures that the system's inventory records are accurate and up to date, helping to identify any discrepancies or issues that need to be addressed.
Functions A) Computing the annual dollar usage value of every item in the inventory and D) Calculating the EOQ (Economic Order Quantity) on any item in inventory are more related to inventory management and analysis rather than the typical functions performed by a point-of-sale system. These functions are typically handled by separate inventory management systems or software that work in conjunction with the point-of-sale system.
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The history of the Internet dates back to the 1960s, when a group of scientists at Stanford University were entrusted to design which of the following as part of the competition between the US and its then Cold War enemy, the USSR?
a main frame to siphon information
a super computer for the US government
a network of sophisticated computers
a computer to control weapons
Answers
Answer:
a network of sophisticated computers
Explanation:
This is an easy and simple read if you want to as well
https://cs.stanford.edu/people/eroberts/courses/soco/projects/2001-02/distributed-computing/html/history.html
Which of these is NOT an example of lifelong learning?
O reading a trade magazine
attending a professional conference
O having lunch with a friend
O reviewing a textbook
Answers
Answer:
Having lunch with a friend
Explanation:
why do most operating systems let users make changes
Answers
By these changes you most likely are thinking of the term 'Over Clocking'
Over Clocking is used on most Operating Systems to bring the item your over clocking to the max.
Over Clocking; is mostly used for Crypto mining and gaming.
WILL GIVE BRAINLIEST
Use the conversion table below to help you answer the question.
Which choice represents a correct conversion of the hexadecimal value “CAB”?
A the decimal string 12 10 11
B the octal string 14 13 12
C the binary string 1100 1101 1110
D the octal string 12 13 14
Answers
Answer:
its a: the decimal value!
Explanation:
Answer:
It's a
Explanation:
Which example best describes an unethical use of computers?
A. Individuals create fake identities in order to trick recipients into
giving them money or private data.
B. Teachers record attendance, grades, assignments, and student
progress in a school database.
O C. High school seniors submit applications to colleges that include
their written essay responses.
D. A coach organizes players' positions on the field and the batting
order of the team.
Answers
Th most unethical use of computers is when individuals create fake identities in order to trick the recipients for giving money or private data. Thus, option A. is correct.
What is unethical behavior or use?The unethical behavior or use means using the electronic device for wrong purpose. It is for performing such an activity that is against the rules of society and harmful for general public.
The computer can be easily used unethically by the hackers or computer experts for fetching personal data of general public. These hackers uses different and fake identities to target the innocent public easily.
Therefore, Option A is correct. The best example for an unethical use of computer is by the individuals who create fake identities.
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Why is it important to know the risks that exist on the Internet?
to know when to stay offline
to avoid all online threats
to prevent computer hacking
to be able to stay safe online
Answers
Answer:
D: To be able to stay safe online.
Explanation:
Correct on quiz.
Answer:
d trust ME
Explanation:
Which of these is NOT a usual result of having friends at work?
increased job satisfaction
increased company loyalty
increased motivation
increased absences
Answers
increased absences
explanation:
if you’re absences is a lot then you will not be able to have friends because you won’t get a chance to talk with them that much
Using technologies increase the time needed to complete a task is beneficial
True
False
Answers
Answer:
True
Explanation:
The advent of technology has given human to achieve a whole lot more in a rather short period of time when compared to the period where the major tool of engagement and task is Manual. With technology, aside from having the ability to complete task faster, we can achieve more accurate result and a lot attractive output. All these in very little time. Technology has helped industries grow multiple times faster thus increasing input, yield and productivity. The tedious nature of having to work manually has also been expunged with repetitive task now being programmed and automated.
Could anyone please answer this?
Answers
Answer:
D
Explanation:
The answer is D because if you're looking for lightweight materials, you'll be dealing with chemistry, and chemistry is sience.
Whenever you progress to a new level, score a goal, solve a puzzle, shoot an alien, or jump over an obstacle, you are experiencing the mechanics of the game.
Group of answer choices
True
False
Answers
Answer:
False
Explanation:
Did on Edge
ciphertext has been generated with an affine cipher.the most frequent letter of the ciphertext is ‘b’, and the second most frequent letter of the ciphertext is ‘u’. break this code.
Answers
To break this code, we first need to determine the key used in the affine cipher. The most frequent letter in the ciphertext is ‘b’, which we can assume is the encrypted letter ‘e’, since ‘e’ is the most frequent letter in the English language.
The second most frequent letter is ‘u’, which we can assume is the encrypted letter ‘t’, since ‘t’ is the second most frequent letter in English.
From here, we can use the formula for the affine cipher to solve for the key. The formula is C = (a * P + b) mod 26, where C is the ciphertext letter, P is the plaintext letter, a and b are the key values, and mod 26 is necessary to wrap around the alphabet.
Using the known values for ‘e’ and ‘t’, we can set up two equations:
‘e’ = (a * P1 + b) mod 26
‘t’ = (a * P2 + b) mod 26
We can then solve for a and b using algebra. Subtracting the second equation from the first, we get:
‘e’ - ‘t’ = a * (P1 - P2)
We know that ‘e’ is 4 and ‘t’ is 19, so:
4 - 19 = a * (16)
-15 = a * 16
a = -15/16 = -15 * 19 mod 26 = 7
Substituting this value for a into one of the original equations, we can solve for b:
‘e’ = (7 * P1 + b) mod 26
Since ‘e’ is 4, we can substitute that value and solve for b:
4 = (7 * P1 + b) mod 26
b = 24
So the key for the affine cipher is a = 7, b = 24. To decrypt the rest of the ciphertext, we can use the formula C = (7 * P + 24) mod 26, where C is the ciphertext letter and P is the plaintext letter.
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Please help fast! Thank you if you can do this.
Answers
The
indicates where the next text that you type will
appear.
Answers
Answer: insertion point/Cursor
Explanation:
The cursor can also be referred to as the insertion point and it refers to the flashing vertical bar that can be seen on the screen and used to show where the texts that are entered will be placed.
The insertion point indicates where the next text that you type will appear. It refers to the location that can be found on the screen and here, the next character that's typed will be inserted.
Which one of the following devices is classified
neither as an input device nor as an output
device?
a. barcode scanner
b. trackball
c. memory
d. earphone
1
(1)
Answers
The device classified neither as an input device nor as an output device is memory.
Among the options provided, a barcode scanner and a trackball are both considered input devices, as they are used to input data or commands into a computer system. An earphone, on the other hand, is classified as an output device, as it is used to receive audio output from a computer or other audio source.
Memory, however, does not fall under the categories of input or output devices. It is a component of a computer system that is responsible for storing and retrieving data and instructions. While memory is crucial for both input and output operations to occur, it is not directly involved in the process of inputting or outputting data. Instead, memory acts as a temporary storage space for data and instructions that are being processed by the computer's central processing unit (CPU). It holds information such as programs, documents, and data that are accessed by the CPU for processing, but it does not directly interact with the user or produce output in the same way as input or output devices. Therefore, memory is the device among the options provided that is classified neither as an input device nor as an output device.
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Identify the correct characteristics of Python numbers. Check all that apply.
1. Python numbers can be large integers.
2. Python numbers can be complex values such as 12B16cd.
3. Python numbers can be floating-point numbers.
4. Python numbers have numeric values.
5. Python numbers are created automatically.
Answers
Answer:
The answers are 1, 2, 3, and 4
Explanation:
i just did it on edge
Answer:
The answers are 1, 2, 3, and 4
Explanation:
im simply good
what is bit and byte in computer
Answers
Hope this helps
When evaluating platforms, what is the key factor in ensuring a platform addresses an organization’s needs?
Answers
The key to ensuring a platform meets an organization's goals when evaluating platforms is to map the platform against well stated business objectives.
sharing information between various tools and processes. the stage following planning where development processes are put into action. acceleration of software development to shorten cycle times. The easiest way to evaluate it is to compare the platform to the organization's goals to see if it fits and can help the business achieve those objectives. Naturally, for this to occur and the platform to be effectively mapped, one must first be able to understand the objectives.
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You go to Starbucks and see the price of a tall latte is quoted as $3.00. You buy the latte and pay with $3.00 cash. In the first instance money serves as ___________ while in the second instance money serves as ___________.
Answers
In the first instance, money serves as a unit of account, In the second instance, money serves as a medium of exchange.
In the first instance, money serves as a unit of account. This is because it is being used as a means of quoting the price of the latte. The price of the latte is denominated in dollars, allowing you to compare its value to other goods and services.
In the second instance, money serves as a medium of exchange. This is because it is being used to complete a transaction. You are exchanging money (cash) for the good (latte) you desire. Money serves as a convenient and widely accepted medium of exchange that allows transactions to take place smoothly and efficiently.
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