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Olin [163]
2 years ago
5

Which of the following statements regarding critical paths is true? a. On a specific project, there can be multiple critical pat

hs, all with exactly the same duration. b. Some activities on the critical path may have slack. c. The duration of the critical path is the average duration of all paths in the project network. d. The shortest of all paths through the network is the critical path. e. Every network has only one critical path.
Computers and Technology
1 answer:
iVinArrow [24]2 years ago
7 0

Answer:

Option a

Explanation:

The Critical Path Method is the arrangement of booked exercises that decides the term of the task. These planned exercises must be performed if the venture is to be viewed as a triumph.

Therefore, options b, c, d and e can't be true because:

b. Activities in the Critical Path Method has no or zero slack.

c. The duration of the critical path in CPM determined on the basis of the latest activity and the earliest initiation.

d. The CPM method schedules the activity of the longest duration.

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The below code will help you to solve the given problem and you can execute and cross verify with sample input and output.

#include<stdio.h>

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 int* uniqueValue(int input1,int input2[])

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   int left, current;

   static int arr[4] = {0};

   int i      = 0;

     for(i=0;i<input1;i++)

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         current = input2[i];

         left    = 0;

         if(current > 0)

         left    = arr[(current-1)];

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       arr[current] = input1-current;

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       else

   {

       for(int j=(i+1);j<input1;j++)

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4 0
2 years ago
Peter accumulated many photos from his visit to Wisconsin. He wants to upload these photos to a social networking site. Which fi
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Answer:

JPG / JPEG best choice and work well on websites

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JPEGs contains millions of colors, so this type of file is ideal for photographs.

Best choice for posting on social media channels

7 0
2 years ago
Consider the following relation:CAR_SALE(Car#, Date_sold, Salesperson#, Commission%, Discount_amt)Assume that a car may be sold
GalinKa [24]

Answer:

The answer to this question can be given as:

Normalization:

Normalization usually includes the division of a table into two or more tables as well as defining a relation between the table. It is also used to check the quality of the database design. In the normalization, we use three-level that are 1NF, 2NF, 3NF.

First Normal Form (1NF):

In the 1NF each table contains unique data. for example employee id.  

Second Normal Form (2NF):

In the 2NF form, every field in a table that is not a determiner of another field's contents must itself be a component of the table's other fields.

Third Normal Form (3NF):

In the 3NF form, no duplication of information is allowed.

Explanation:

The explanation of the question can be given as:

  • Since all attribute values are single atomic, the given relation CAR_SALE is in 1NF.  
  • Salesperson# → commission% …Given  Thus, it is not completely dependent on the primary key {Car#, Salesperson#}. Hence, it is not in 2 NF.                                                                                                        

The 2 NF decomposition:

        CAR_SALE_1(Car#, Salesperson#, Date_sold, Discount_amt)

         CAR_SALE_2(Salesperson#, Commission%)

  • The relationship in question is not in 3NF because the nature of a transitive dependence occurs
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The 3 NF decomposition :

        CAR_SALES_1A(Car#, Salesperson#, Date_sold)

        CAR_SALES_1B(Date_sold, Discount_amt)

        CAR_SALE_3(Salesperson#, Commission%)

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she can appoints someone she trust to act on her behalf

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2 years ago
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1. (1 point) Which flag is set when the result of an unsigned arithmetic operation is too large to fit into the destination? 2.
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Answer:

(1) Carry flag (2) Overflow flag (3) Sign or negative Flag

Explanation:

Solution

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(2) The over flow flag: This flag specify that a sign bit has been modified during subtracting or adding of operations

(3) The sign flag: This is also called a negative sign flag is a single bit status in a register that specify whether the last mathematical operations  generated a value to know if the most significant bit was set.

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