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natka813 [3]
3 years ago
6

What are the disadvantages of using pointers?

Computers and Technology
1 answer:
garik1379 [7]3 years ago
5 0

Explanation:

The pointer is the variable that will store the address of the other variable of the same datatype.

Following are the disadvantages of using a pointer.

1. Pointer sometimes causes a segmentation fault in the program.

2. Sometimes pointer leads to a memory leak.

3. A pointer variable is slower than normal variable.

4. Sometimes the program is crash if we using pointer because sufficient memory is not allocated during runtime.

5. If we using pointer it is difficult to find the error in the program.

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A select query


select column1, column2, columnN
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The ______________________ is the part of the ip address that is the same among computers in a network segment.
kozerog [31]
The answer is 
External IP address.
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3 years ago
Assume you are given three variables, revenue, expenses, and profit, all of type Money (a structured type with two int fields, d
Andre45 [30]

Answer:

if(revenue.cents - expenses.cents < 0){

profit.dollars = revenue.dollars - expenses.dollars - 1;

profit.cents = 1 - revenue.cents - expenses.cents;

}

else{

profit.dollars = revenue.dollars - expenses.dollars;

profit.cents = revenue.cents - expenses.cents;

}

Explanation:

We know that profit is given as: revenue - expenses from the question.

From the given expression above;

if(revenue.cents - expenses.cents < 0)

then profit.dollar will be revenue.dollars - expenses.dollars - 1; the 1 is to be carry over to the cent part. And the profit.cent will be 1 - revenue.cents - expenses.cents;

else the profit.dollars and the profit.cent is computed directly without needing to carry over:

profit.dollars = revenue.dollars - expenses.dollars;

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7 0
3 years ago
2.24 Write the relevant Python expression or statement, involving a list of numbers lst and using list operators and methods for
miskamm [114]

Answer:

lst = [11, 603, 99, 7, 582, 1];

print("The index of the middle element: " + str(int(len(lst)/2)))

print("The middle element: " + str(lst[int(len(lst)/2)]))

lst.sort()

sorted_lst = lst.reverse()

print("The list in descending order: " + str(lst))

first_number = lst.pop(0)

lst.append(first_number)

print("New lst: "+ str(lst))

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- Initialize a list

- Find the middle index, int(len(lst)/2)

- Find the middle element, lst[int(len(lst)/2)]

- Sort the list in descending order (First sort the list in ascending order than reverse it)

- Get the first element using <em>pop</em> method, and append it to the end using <em>append</em> method

- - - - -

a) 0 == 1 == 2 --> Always evaluates false

b) 2 + (3 == 4) + 5 == 7 --> Evaluates true

c) 1 < -1 == 3 > 4 --> Always evaluates false

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3 years ago
What type of device is characteristic of an enterprise environment? Question 14 options: a) A workstation used by a retired pers
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A workstation used at an engineering firm is characteristic of an enterprise environment.

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