Explanation:
a.Home
b.entertainment
c.industry
d.education
e.banking
f.business
g.medical field
h.science and engineering
What contribution did ada byron make to computing?
Answer:
Around 1843, she described the first computer principles, later built by Charles Babbage in the form of a mechanical calculator.
During system testing, developers test the program in an environment that is very similar to how the program will eventually be used.
A. True
B. False
Answer:
True
Explanation:
When it is time to test a system, a great way to test and confirm the program is safe, and ready is in the most used environment.
13) When developing film, how do you dispose of fixer as opposed to developer?
A) Fixer is poured down the drain while developer can be reused.
B) Developer is poured down the drain while fixer can be reused.
C) Both developer and fixer can be poured down the drain.
D) I don't know.
Answer:
B) Developer is poured down the drain while fixer can be reduced
Explanation:
The effluents produced during photographic processing includes, wash water, bleach, fixer, and developer
The developer is an alkaline solution, with a pH of approximately 10.0, while the pH of the fixer is about 4.3, it is therefore, acidic
The rate of discharge of the developer to the fixer is 2 to 1, and the exhausted developer, fixer and process effluents combined are neutral and can be handle by the the treatment works and the drain pipes
Fixer which remain clear can be reused for more than a day, while the spent basic Developer and the acidic Spent Stop Bath can be combined to form a neutral solution, having a pH of approximately 7, which make them less hazardous to be disposed off down the sink into the drain
Therefore, developer is poured down the drain while fixer can be reused
How does the brain influence your emotions, thoughts, and values?
Amygdala. Each hemisphere of the brain has an amygdala, a small, almond-shaped structure. The amygdalae, which are a part of the limbic system, control emotion and memory and are linked to the brain's reward system, stress, and the "fight or flight" reaction when someone senses a threat.
What are the effects of the brain?Serotonin and dopamine, two neurotransmitters, are used as chemical messengers to carry messages throughout the network. When brain areas get these signals, we recognize things and circumstances, give them emotional values to direct our behavior, and make split-second risk/reward judgments.Amygdala. The amygdala is a small, almond-shaped structure found in each hemisphere of the brain. The limbic systems' amygdalae control emotion and memory and are linked to the brain's reward system, stress, and the "fight or flight" response when someone perceives a threat.Researchers have demonstrated that a variety of brain regions are involved in processing emotions using MRI cameras. Processing an emotion takes happen in a number of different locations.To learn more about Amygdala, refer to:
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A(n) _____ is a special data type for complex data such graphics, drawings, photographs, video, and sound.
Answer:
Object
Explanation:
The missing word in the statement is "object." An object is a data type that is used to represent complex data such as graphics, drawings, photographs, video, and sound in programming languages. An object is a self-contained entity that contains both data (in the form of properties or attributes) and behavior (in the form of methods or functions). Objects are often used in object-oriented programming (OOP) to encapsulate complex data structures and provide a modular, reusable approach to programming. Objects can be created from classes, which define the structure and behavior of the object, and can be manipulated through methods and properties. The use of objects makes it easier to work with complex data structures and to create more flexible and maintainable code.
Copyright
A(n) blob is a special data type for complex data such as graphics, drawings, photographs, video, and sound.
A blob, or binary large object, is a collection of binary data stored in a database management system.
Blobs can be used to store large amounts of data, such as multimedia files, and are often used in applications that require the storage and retrieval of complex data.One of the advantages of using blobs is that they can be easily manipulated and accessed. They can be inserted, updated, or deleted just like any other data type. Additionally, they can be streamed, allowing for faster retrieval of large files.However, there are some limitations to using blobs. For example, they can be more difficult to search and query than other data types. They can also require more storage space, which can be a concern for applications that require large amounts of data storage.Despite these limitations, blobs remain a popular choice for storing complex data in databases. They provide a flexible and scalable solution for managing multimedia files and other types of large data. With advances in database technology, blobs are likely to continue to play an important role in data storage and retrieval in the future.for such more questions on binary data
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One issue with the classical viewpoint is that it tends to view humans as cogs in a machine, thereby rendering it overly _____.
Answer:
The correct solution will be "mechanistic".
Explanation:
A way of thinking which suggests that perhaps the behavior of complicated processes, including certain individuals, societies, as well as financial systems, is exclusively influenced by that of the interrelationships including its components or considerations of which they would be made up.These are aimed at keeping open the processes' black boxes through learning how the various parts operate effectively.you need to configure a wireless network using wpa2-enterprise. which of the following components should be part of your design? (select two.)
Answer: AES encryption
802.1x
Explanation:
1. Distinguish between
a) Optical and Magnetic scanning
(2marks)
Optical scanning
1.They use principles of light to scan document
Magnetic scanning
1. They use principles of magnetism to
document
sense
Answer:
They use principles of light to scan document
Magnetic scanning
Explanation:
Select all statements below that are TRUE for For...Next loops. A. It is used for a fixed number of iterations. B. It is used for a variable number of iterations. C. It uses an integer counter; not a loop condition. D. It uses a loop condition; not an integer counter. E. Only consider this option if you checked alternative D above: It checks the loop condition a the BEGINNING of the loop, F. Only consider this option if you checked alternative D above: It checks the loop condition a the END of the loop,
Answer:
A and C
Explanation:
The for next loop is used for a fixed number of iterations which is usually indicated in the syntax. It uses a counter that increments on each iteration. The loop terminates when the counter reaches the number of initially specified iterations. It is different from a while loop which depends on a specified condition evaluating to the Boolean 'true'.
make a story that ends in ´ I have never found such a kind person ever since´
Select the correct answer.
Max has been running a general store for over 50 years. He uses his computer to maintain Inventory and a landline telephone to communicate
with his suppliers. Max's granddaughter suggests that he needs a device that is capable of doing both of these tasks. Which device does Max
need?
A radio
В.HD television
C smart phone
D. telephone
Answer:
D. smart phone
explanation;
a. what the heck is a radio going to do?
b. an HD television? is his job watching movies?
d. he already has a form of communication he uses, he needs something that can to both things at the same time
c. a smart phone can do everything he needs to do, likely faster than a landline phone or laptop.
9.
Write an application that computes and displays the day on which you become (or
became) 10,000 days old. Save the application as Ten ThousandDaysOld.java.
TI
Answer:
Explanation:
The following code is written in Java and it asks you for your age and then prints out the exact date from your birthday that you will turn 10,000 days old.
import java.util.Calendar;
import java.util.Date;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.println("What is your age?");
int age = in.nextInt();
int daysLeft = (10000 - (age*365));
Date birthday = new Date();
Calendar cal = Calendar.getInstance();
cal.setTime(birthday);
cal.add(Calendar.DATE, daysLeft);
Date modifiedDate = cal.getTime();
System.out.println(modifiedDate);
}
}
FILL THE BLANK. unix was developed by ken thompson and dennis ritchie, who worked at ________.
Unix was developed by Ken Thompson and Dennis Ritchie, who worked at Bell Labs.
Explanation:
Unix is a multi-user, multi-tasking operating system that was developed in the late 1960s by Ken Thompson and Dennis Ritchie at Bell Labs. Unix was designed to be a portable, flexible, and scalable operating system that could run on a variety of hardware platforms. Thompson and Ritchie's work on Unix had a significant impact on the development of modern operating systems and computer science as a whole. Today, Unix is used in a wide variety of applications, including servers, desktops, and mobile devices.
The development of Unix had a significant impact on the field of computer science, as it introduced a number of innovative concepts that are now considered standard in modern operating systems. For example, Unix was one of the first operating systems to use a hierarchical file system, which allows users to organize and access files in a structured manner. Additionally, Unix introduced the concept of shell scripts, which allow users to automate common tasks by combining commands into scripts.
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6C: Given the following AVL tree with a newly inserted node in double outline), choose the correct sequence of rotations to restore the height balance property + Inserts Single right rotation: move 2 up/right; 4 down/right B: Single left ratation move 7 up/left: 4 dawn/left Double rotation: first 6 up/right: 7 down/right then 6 up/left: 4 down/left D: Double rotation: first 7 up/left; 4 down/left then 6 upleft:4 down/left B D
Based on the given AVL tree, the correct sequence of rotations to restore the height balance property after a newly inserted node would be:
Single right rotation: Move 2 up/right; 4 down/right
Double rotation: First 7 up/left; 4 down/left then 6 up/left: 4 down/left
So the correct answer would be B and D.
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The Monroe Doctrine promised that the United States would:
A. not accept new colonies in the Americas.
B. cut itself off from nearly all foreign trade.
C. send its military to defend all new democracies.
D. take a more active role in European affairs.
Answer:A
Explanation:
The Monroe Doctrine promised that the United States would not accept new colonies in the Americas. The correct option is A.
What is Monroe Doctrine?The Monroe Doctrine is the most well-known example of US policy toward the Western Hemisphere.
The doctrine, buried in President James Monroe's routine annual message to Congress in December 1823, warns European nations that the United States will not tolerate further colonization or puppet monarchs.
Although initially ignored by Europe's great powers, the Monroe Doctrine eventually became a cornerstone of US foreign policy.
President James Monroe of the United States declared the United States to be the protector of the Western Hemisphere in 1823, prohibiting European powers from colonizing additional territories in the Americas.
The doctrine's three main concepts separate spheres of influence for the Americas and Europe, non-colonization, and non-intervention were intended to mark a clear break between the New World and Europe's autocratic realm.
Thus, the correct option is A.
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In your MakeCode micro:bit program, what happens when the Boolean
variable and control structure detects a false start by the user?
The Boolean variable and control structure detects a false start by the user, the program will stop running and display an error message or stop sign. The program will not proceed until the user corrects the false start.
What is the structure ?The structure of a essay is typically an introduction with a thesis or main idea, followed by two to three body paragraphs that provide support for the thesis, and a conclusion that summarizes the overall essay. Each paragraph should contain at least five to seven sentences that are clear and concise. Be sure to use proper grammar and spelling, and to make sure your essay is free of plagiarism. A 100-word essay can be a powerful and effective way to communicate your thoughts and ideas in a concise manner.
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At each step of its operation, the input to a Central Processing Unit is O A a program O B. an instruction O C. main memory OD.control unit
At each step of its operation, the input to a Central Processing Unit is an instruction.
The part of a computer that obtains and executes instructions is called the central processing unit (CPU). A system's CPU can be thought of as its brain. It is made up of a control unit, a number of registers, and an arithmetic and logic unit (ALU). The term "processor" is frequently used to refer to the CPU. The ALU performs mathematical, logical, and related processes as directed by the software.
The control unit directs the movement of data within the CPU, the exchange of data and control signals across external interfaces, and all ALU operations (system bus). The CPU has high-speed internal memory storage units called registers.
Some registers can be accessed by the user, or by the programmer via the machine instruction set. Other registers are solely reserved for the CPU to be used for control.
All CPU parts are synchronized by an internal clock. Megahertz (MHz), or millions of clock pulses per second, is a unit of measurement for clock speed. The clock speed simply gauges how quickly the CPU executes an instruction.
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Question 2 of 25
Which statement best describes the collection of data through experiments?
O A. Participants are asked to share their opinions about and
experiences in other experiments they have participated in.
B. Test subjects write their own hypotheses and test them in the
experiment.
C. A scientist forms a hypothesis and then tests that claim through a
hands-on approach with participants.
D. After the experiment the scientist and participants form a
hypothesis.
SUBMIT
The phrase "a scientist creates a hypothesis and then tests that assertion through a hands-on approach with participants" best sums up the process of gathering data through experiments.
What benefits do science experiments offer?A child's resourcefulness, particularly their abilities in goal-setting, planning, and problem-solving, are developed through science projects. Additionally, it fosters children's intellectual curiosity by teaching them new methods to think critically and understand the world.
Why is experimenting necessary and what is it?A study strategy known as experimentation involves purposefully manipulating one or more variables and then observing the results or effects on other variables. Controls are frequently used in experimental designs to monitor system variability and look for sources of error.
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Recall that a floating-point number can be expressed as (−1)s(1+f)2e where s,f and e are binary numbers. Recall that s is the sign indicator, f the mantissa (or fractional part), and e the (signed) exponent. Suppose the sign is 1 bit long, the mantissa 24 bits long, and the exponent has 9 bits. What are the largest and smallest positive numbers in this computer system? Provide the theoretical expressions for the decimal version of the largest and smallest numbers, and also use Matlab to evaluate the expressions.
The largest positive number is 3.4028 x \(10^{38\) and the smallest positive number is 1.1755 x \(10^{-38\).
A floating-point number can be expressed as (-1)^s * (1+f) * 2^e, where s, f and e are binary numbers. Here, s is the sign indicator, f is the mantissa (or fractional part), and e is the (signed) exponent. If the sign is 1 bit long, the mantissa is 24 bits long, and the exponent has 9 bits, then the largest and smallest positive numbers in this computer system are as follows:Largest positive number: When all the bits are used for the mantissa and exponent, the value of f and e will be 2^24-1 and 2^9-1 respectively. This will give us the largest possible number in this computer system, which can be expressed as: (theoretical expression). Using Matlab, the expression can be evaluated as follows:>>ans = 3.4028e+38Smallest positive number: When all the bits are used for the mantissa and exponent, the value of f will be 1 and e will be -126 (the smallest possible exponent value). This will give us the smallest possible number in this computer system, which can be expressed as: (theoretical expression). Using Matlab, the expression can be evaluated as follows:>>ans = 1.1755e-38
Therefore, The largest positive number is 3.4028 x \(10^{38\) and the smallest positive number is 1.1755 x \(10^{-38\).
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which tab or dialog box do you use to organize your sources?
To organize sources in Microsoft Word, you can use the References tab and its corresponding dialog boxes.
The References tab has several options to help you manage and organize your sources. The first option is the Table of Contents, which allows you to create a table of contents based on your headings. The second option is Footnotes, which allows you to insert footnotes at the bottom of your page to provide additional information or to cite sources.
The most important option for organizing sources is the Manage Sources dialog box. This dialog box allows you to add, edit, and delete sources, as well as sort and group them by various criteria. You can also import sources from other documents or databases, and export your sources for use in other programs.
Another useful option is the Bibliography dropdown, which allows you to insert a bibliography or works cited page into your document. You can choose from several citation styles, including APA, MLA, and Chicago, and customize the formatting to meet your needs.
Overall, the References tab and its associated dialog boxes provide a comprehensive set of tools for managing and organizing sources in Microsoft Word. By using these tools, you can ensure that your citations and references are accurate, consistent, and easily accessible.
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Linux would be a good example of?
tax preparation software can help prepare and file your taxes by _________.
Use nested for-loops to have the turtle draw a snowflake of polygons. use the variable turnamount to turn after each shape and the variable n for the sides of the polygon.
The inner loop iterates repeatedly inside the outer loop whenever one loop is nested inside another. The inner loop will start over after each iteration of the outer loop. Before the outer loop can move on to its subsequent iteration, the inner loop must complete all of its iterations.
What does a nested function look like?The following formula, for instance, only sums a set of numbers (G2:G5) if the average of another set of numbers (F2:F5) is greater than 50. This is achieved by nesting the AVERAGE and SUM functions in the arguments of the IF function. If not, it returns 0. Within the IF function are nesting instances of the AVERAGE and SUM functions.
What is an example of nested IF in Java?
An if-else statement that uses another if statement as the if body or the else body is known as a nested if statement. Here's an illustration:
System if (num > 0)
Outer if (num 10)
Inner if
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If
ADC has 12bits and Vref = 2.5V, G = -17.6, differential input is 1
mv.
a) find the ADC resolution
b) find the maximum quantization error
c) the minimum sampling frequency for ECG signal
a) The ADC resolution is 0.61 mV.
b) The maximum quantization error is 0.305 mV.
c) The minimum sampling frequency for an ECG signal is 300Hz.
a) The ADC resolution can be calculated using the formula:
Resolution = (Vref) / (\(2^N\)),
where N is the number of bits of the ADC.
Given that the ADC has 12 bits and Vref = 2.5V, we can substitute these values into the formula:
Resolution = (2.5V) / (\(2^12\)) = 0.00061035V or approximately 0.61mV.
Therefore, the ADC resolution is 0.61 mV.
b) The maximum quantization error can be calculated using half of the ADC resolution:
Quantization Error = Resolution / 2 = 0.61mV / 2 = 0.305mV.
Therefore, the maximum quantization error is 0.305mV.
c) To determine the minimum sampling frequency for an ECG signal, we need to consider the Nyquist-Shannon sampling theorem, which states that the sampling frequency should be at least twice the highest frequency component of the signal.
The highest frequency component in an ECG signal is typically around 150Hz. Therefore, the minimum sampling frequency can be calculated as:
Minimum Sampling Frequency = 2 * 150Hz = 300Hz.
Hence, the minimum sampling frequency for an ECG signal is 300Hz.
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How does one select an entrepreneurial activity?
Juan created new video game for his coding course. What is one way he can explain his code in everyday language?
A. He can create a separate document to explain his code. B. He can include comments written in the code. C. He can write his notes using actual code. D He cannot include any notes in his code.
Answer:
B. He can include comments written in the code
Explanation:
One way he can achieve his aim is by including comments to his code.
He can include as many comments as he likes because comments are non executable part of the program. In other words, the translators omit comments during program translation.
Another reason why he should consider using comments is that comments are used by computer programmers to explain lines of code especially the difficult lines.
In fact programmers are advised to include comments in their programs because comments doesn't have to be structured and can be expressed in human language.
In Java, C++, C#, comments are identified by // and /*....*/
In python, comments are identified by #
Answer:
b
Explanation:
Which activation profile, when activated, will crash all 85 LPARs along with their operating systems
Select one:
a.Load
b.Reset
c.Group
d.Image
The group activation profile is the activation profile that, when engaged, will cause the operating systems of all 85 LPARs to crash.
What is meant by operating system?An operating system is a piece of software that governs the execution of programmes and serves as an interface between computer users and hardware.The most crucial piece of software that runs on a computer is the operating system. It manages all of the hardware and software, as well as the computer's memory and processes.The CPU, RAM, and storage of the computer are typically all in use at once by a number of running computer programmes. Operating systems like Windows, Linux, and Android are a few examples that let users run applications like Microsoft Office, Notepad, and games on a computer or mobile device.For the computer to run simple programmes like browsers, at least one operating system must be installed.To learn more about operating system, refer to:
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The activation profile that, when activated, will crash all 85 LPARs along with their operating systems is:
b. Reset. option b is correct.
The Reset activation profile can potentially crash all LPARs and their operating systems as it reinitializes the system resources, which could lead to a disruption in the normal functioning of the LPARs and their operating systems.
An LPAR is a subset of the processor hardware that is defined to support an operating system. An LPAR contains resources (processors, memory, and input/output devices) and operates as an independent system. Multiple logical partitions can exist within a mainframe hardware system.
The activation profile type, p type, which can be one of the following: RESET. This profile type is used to activate a CPC. The following profile variables are supported: IOCDS, ENDTSL, PRT, PRTT.
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Choose the term that makes the sentence true.
If a mobile device has gotten wet, a good way to dry it out is to
.
Answer:
The answer would be to soak it in a bag or bowl of rice
Explanation:
The rice will absorb the liquid that got into the device
what are the WHO "golden rules safe food preparation
The golden rules are:
Wash hands regularly: Hands should be washed thoroughly before and after handling food, after using the bathroom, and after blowing your nose or coughing.
Keep food at safe temperatures: Food should be stored and cooked at safe temperatures to prevent the growth of harmful bacteria.
Cook food thoroughly: Food should be cooked to a safe internal temperature to kill any harmful bacteria that may be present.
What is the WHO about?The World Health Organization (WHO) has established several "golden rules" for safe food preparation. These rules are designed to help prevent the spread of foodborne illness and ensure that food is safe to eat. It also includes:
Use safe water and raw materials: Water and raw materials used in food preparation should be safe and free from harmful contaminants.
Store food safely: Food should be stored in a clean, dry place away from potential sources of contamination.
Lastly, Avoid cross-contamination: Raw and cooked foods should be kept separate to prevent cross-contamination.
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the comments down bellow are wrong
Answer:
What Do U mean
Explanation: