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Lady bird [3.3K]
3 years ago
8

With SQL, how do you select all the columns from a table named "Persons"?

Computers and Technology
1 answer:
Alik [6]3 years ago
6 0

Answer:

B

Explanation:

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Briefly explain how an operating system may be described as an "interrupt-driven program." as system calls) from
Reptile [31]

Answer: Interrupt-driven program is defined as the program that permits to executes by stopping the execution of the currently running program.The completion of the program is indicated by the interrupt as a signal from assistant action .

Operating system is the system that carries out the functions and task of computer system.It has the major mechanism in which every alteration and changes are remarked such as state of hardware, event alteration, software component changes etc by the interrupt system.

Through interrupt system the operating system conducts new assignment and task for the compensation of changes that occurred in the system by halting the current working. Resources are invoked to fulfill the requirement of the work load.Thus, operating system can act in interrupt driven system's  manner.

7 0
3 years ago
You need to back up the existing data on a computer before you install a new application. You also need to ensure that you are a
nevsk [136]

Answer:

Backup and restore console should be utilized in that scenario.

Explanation:

4 0
3 years ago
To plan a pizza party, one may want to order enough pizza for everyone. Use the slicesInPizza, slicesPerPerson, and totalGuests
zheka24 [161]

Answer:

Explanation:

The following code was written in Javascript. It asks the user to enter the values for each of the variables and saves it to them. Then it uses those values to calculate the total number of pizzas needed to feed everyone at the party. Finally, it prints out the total to the screen as an alert. Both test cases were used and the outputs can be seen in the attached images below.

var slicesPerPizza = window.prompt("How many slices per pizza?");

var slicesPerPerson = window.prompt("How many slices per person?");

var totalPersons = window.prompt("How many total people will attend?");

var pizzasNeeded = Math.round((slicesPerPerson * totalPersons) / slicesPerPizza)

alert(`You need a total of ${pizzasNeeded} pizzas.`)

6 0
3 years ago
Which of the following is not expected of employees' oral communication skills in the workplace? Communicate clearly Use appropr
Paladinen [302]

Answer:

The skill that is not expected of employees' oral communication skills in the workplace is:

Be able to write well

Explanation:

The reason behind this answer is: we are analyzing oral communication skills. Writing is not in oral communication skills. Therefore it is not expected as an employee oral communication skill in the workplace. Also, Communicate clearly is expected in the workplace, use appropriate language is expected in the workplace as formality is desired, and finally communicating under the laws and regulations of the organization is also expected.

4 0
3 years ago
Melanie needs to ensure that readers are able to locate specific sections within a document easily. What should she include in t
kozerog [31]

Answer:

in this case is table of contents

Explanation:

If Melanie want to organize the content, she can use index or table of content, but for specific sections table of content is easier to use.

For example:

Melanie can organize the titles in different levels like subtitle at the same page.

1 History..................................1

1.2 USA History....................1

 1.3 California History..........1

Melanie have to mark every title and subtitle in the document like "History -title 1", "USA History - title 2", "California History - title 3".

Melanie can create the table on content automatically in Word: at the section -> Reference -> table of content.

Readers can locate every important section by page, title and subtitle.

5 0
3 years ago
Read 2 more answers
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