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miv72 [106K]
2 years ago
15

Why should the data in a reservation system that is constantly being updated be stored on a magnetic disk instead of a CD or DVD

?
Computers and Technology
1 answer:
9966 [12]2 years ago
6 0

Answer:

Magnetic disks are easier to write and rewrite data on.

Explanation:

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Green Fields Landscaping Company sells evergreen trees which are priced by height. Customers have a choice of purchasing a tree
Tomtit [17]

Answer:

Answered below

Explanation:

//Program is written in Python programming //language.

number_of_trees = int(input ("Enter number of trees purchased: "))

height_of_trees = float(input("Enter height of trees: "))

delivery_status = input("Do you want trees delivered? enter yes or no ")

price_of_two_meters = 20

total_price = number_of_trees * price_of_two_meters

//Invoice

print (number_of_trees)

print(height_of_trees)

print (total_price)

print (delivery_status)

8 0
3 years ago
Convert the following numbers. (Please show all steps; no marks will be awarded if no steps are shown) [1.5 x 4 = 6 marks]
katen-ka-za [31]

Answer:

i. 10210212

ii. 100 101 001 in BASE 2

iii. 46.4631

iv. 12.453125

Explanation:

i. Converting to base 10 we get

=  10 x 162 + 13 x 161 + 9 x 160 = 2777

Converting to base 10 we get  =

2777/3 = 925 with remainder 2

925/3 = 308 with remainder 1

308/3 = 102 with remainder 2

102/3 = 34 with remainder 0

34/3 = 11 with remainder 1

11/3 = 3 with remainder 2

3/3 = 1 with remainder 0

1/3 = 0 with remainder 1

Hence the Answer is 10210212

ii. = Octal is taken in pair of 3 bits , Writing binary of each number in 3 bits we get  = 100 101 001 in BASE 2

iii. = 1 x 52 + 2 x 51 + 3 x 50 + 3 x 5-1   = 38.6 in decimal

Converting to Octal we get

38 /8 = 4 with remainder 6

4 /8 = 0 with remainder 4

.6 x 8 =  4.8

.8 x 8 = 6.4

46.4631

iv. = 1x 81 + 4 x 80 + 3 x 8-1 + 5 x 8-2   = 12.453125

Check here for Free courses about IT and Management www.eacademy.lk

4 0
2 years ago
Describe FIVE significant advantages of web-based applications for an organisation.
masya89 [10]

Answer

There are a lot of advantages of web based applications.

Explanation:

Below are the advantages:

  1. Web based applications can be accessed from device that is connected to the device.
  2. No physical software required to download, install, update or manage which saves a lot of administration work for large companies.
  3. Web based software is compatible with any device or platform. The software is delivered through a browser of the users' choice.
  4. Mobile device applications allow for access to the software when out of the office.
  5. Direct access to latest information for Employees where every they are located.

Apart from these, there are lot more benefits, like quick and easy updates, centralized data where data is secure and easy to backup.  We can reach anybody, anywhere in the world.

Business costs are drastically reduced by spending less time talking to customers over the phone.

Online training can be finished at user's own time and risk.

It's available 24 hours a day, 7 days a week

The software is always up-to-date

8 0
2 years ago
Taking these steps will help to improve the delivery of your presentation.
NNADVOKAT [17]

Taking any/all of these steps will help to improve the delivery of your presentation:

<em>==> Be familiar with the place the presentation will be given.</em>

<em>==> Practice your presentation.</em>

<em>==> Move away from your computer frequently while speaking, and return to it to advance slides.</em>

<em>==> Use your conversation words and voice.  Don't read it from a paper (unless you can write in conversational words and phrases, but this is really hard to do).</em>

<em>==> Look around the audience while you're talking.  Make eye-contact with people. </em>

<em>==> Let your hands move normally while you talk.  Smile.</em>

-- Read from your slides so you don't forget your content.   ==> No. This is considered one of the signs of a poor presentation, and an inadequately prepared presenter.  

You're not there to read the slides to your audience.  They can read the slides just as well as you can.  You're there to explain, embellish, enhance, and enlarge the material on the slides.  If you don't have any more to tell them except what's on the slides, then you don't even need to drag yourself or the audience through the agony of the presentation. Just print the slides onto a handout, hand it out, dismiss the audience, and take the rest of the day off.  

Also, you're expected to know your subject well enough so that you don't need to read your slides to know what you're talking about, and to be well enough prepared to remember what comes next.

5 0
2 years ago
Read 2 more answers
Please help,
MAXImum [283]

Answer:Answer I think it might be true Explanation in the Explanation

Explanation: So I think it might be true because Ergonomics is the science of conforming the workplace and all of its elements to the worker, and in the question it says that "How a product relates to the human body", so I think it might be true, Sorry if I got this wrong.

GOOOOOOD LUUUUUCCCCCCKK

8 0
2 years ago
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