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Kamila [148]
3 years ago
7

What is nested selection?

Computers and Technology
1 answer:
kodGreya [7K]3 years ago
7 0

Answer:

I think its 4 I'm not so sure though

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Why are rules required for a number system to be useful?
evablogger [386]

Answer

This is because without them no one would know how much each symbol represents, and no one would be able to decipher the message.

Explanation

Number system is a way to represent numbers. It  is a writing system for expressing numbers; that is, a mathematical notation for representing numbers of a given set, using digits or other symbols in a consistent manner.

In computing or in a computer number systems are the techniques which represents numbers in the computer system architecture where   every value that you are saving or getting into/from computer memory has a defined number system.Computer architecture supports  . Binary number system,Octal number system and Decimal number system.

5 0
3 years ago
Read 2 more answers
4. 15 Exact change (College level not sure why it says middle school)
sweet [91]

Answer:

def print_change(total_change):#this is also total cents, because integers don't have decimal points, so I can't use dollars as my unit

dollars = int(total_change / 100)

remaining_change = total_change - dollars * 100

quarters = int(remaining_change / 25)

remaining_change -= quarters * 25

dimes = int(remaining_change / 10)

remaining_change -= dimes * 10

nickels = int(remaining_change / 5)

remaining_change -= nickels * 5

pennies = remaining_change

all = {'dollar': dollars, 'quarter': quarters, 'dime': dimes, 'nickel': nickels, 'penny': pennies}

for num in [0, 1, 2, 3, 4]:

coin_type = list(all.keys())[num]

amount = all[coin_type]

if num < 4 and amount > 1 or amount == 0 and num < 4:

coin_type += 's'

elif num == 4 and amount > 1 or amount == 0 and num == 4:

coin_type = 'pennies'

print('\n', amount, coin_type)

while True:

total_change = int(input()) #in cents

print_change(total_change)

Had fun making this one... hope it helps. :)

6 0
3 years ago
Which expression correctly determines that String s1 comes before String s2 in lexicographical order
Assoli18 [71]

Options :

A.) s1 < s2

B.) s1 <= s2

C.) s1.compareTo(s2) == −1

D.) s2.compareTo(s1) < 0

E.) s1.compareTo(s2) < 0

Answer: E.) s1.compareTo(s2) < 0

Explanation: Lexicographical ordering simply means the arrangement of strings based on the how the alphabets or letters of the strings appear. It could also be explained as the dictionary ordering principle of words based on the arrangement of the alphabets. In making lexicographical comparison between strings, the compareTo () method may be employed using the format below.

If first string = s1 ; second string = s2

To compare s1 with s2, the format is ;

s1.compareTo(s2) ;

If s1 comes first, that is, before s2, the method returns a negative value, that is a value less than 0 '< 0', which is the case in the question above.

If s2 comes first, that is, before s1, the method returns a positive value, that is a value greater than 0 '> 0'.

If both are s1 and s2 are the same, the output will be 0.

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3 years ago
Which of the following is true about file formats?
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3 years ago
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Yesterday you installed a new game on your computer. When you ran the computer, you noticed that the application was running ver
Nady [450]

Since I have rechecked and noticed that it is not a disk space shortage, then the problem should not be on the disk but the RAM. Even basic tasks like opening up a Word document can be slow if you do not have enough RAM. You can check RAM usage in task manager by right clicking on the taskbar and selecting the task manager option. You will be required to click on the Performance tab of the task manager. Here, you will be able to graphically view how much RAM on your computer is being used. If the RAM is being over-utilized, you will have to consider upgrading your PC with more RAM.

5 0
3 years ago
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