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schepotkina [342]
3 years ago
6

What is the correct sequence of the phases in the systems development life cycle?

Computers and Technology
1 answer:
HACTEHA [7]3 years ago
7 0
1. Requirements gathering/analysis.
2. Design.
3. Development.
4. Testing.
5. Maintenance.
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ethics and internal control are important applications in accounting . Provide FIVE code of ethics and five internal control mea
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Ethics:
- to ensure that privacy will not be lost.
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3 years ago
In computer science, what does it mean to interface?
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D, To communicate with a computer through a device or program :)

3 0
2 years ago
3. An organization wants to use the private network number 192.168.90.0 across four subnets. The maximum number of hosts that ex
lesya [120]

Answer:

The correct answer is: 255.255.255.192.

Explanation:

A subnet mask complements an Internet Protocol (IP). Thanks to subnet masks IP addresses can be identified because they seem to be all the same but the subnet mask avoids confusion. If four subnets are to be created for the IP 192.168.90.0 3 bits of that IP must be used to create the subnet resulting in 255.255.255.192. Then:

  • <em>Number of subnets</em>: 2^{3} - 2 = 6
  • <em>Number of hosts per subnet</em> = 2^{5} -2  = 30
3 0
3 years ago
A diet to contain at least 2400 units of vitamins, 1800 units of minerals, and 1200 calories two foods , Food A and Food B are t
Firdavs [7]

Answer:

30 units of Food A and 45 units of Food B are to be purchased to keep costs at the minimum $105.

Explanation:

X = Amount of food A

Y = Amount of food B

Z= 2X+Y..... minimum cost equation

50X + 20Y > 2400 .................Vitamins .......(1)

30X + 20Y > 1800 ...................Minerals.......(2)

10X + 40Y > 1200 .................Calories ..........(3)

X  > 0

y  > 0

X=30  and Y = 45

Z= 2(30) + 45 = $105

8 0
2 years ago
PLEASE HURRY!!<br> Look at the image below
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Answer is power and base

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8 0
2 years ago
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