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nataly862011 [7]
3 years ago
14

​In addition to joint application development, another popular user-oriented method is _____, which resembles a condensed versio

n of the entire SDLC with users involved every step of the way.
Computers and Technology
1 answer:
KiRa [710]3 years ago
3 0

Answer:

Rapid Application Development (RAD)

Explanation:

Rapid Application Development (RAD) describes a method of software development which heavily emphasises rapid prototyping and iterative delivery. The RAD model is, therefore, a sharp alternative to the typical waterfall development model, which often focuses largely on planning and sequential design practices.

Joint Application Development (JAD) is a development methodology system originally used for designing a computer-based system, but can be applied to any development process. It involves continuous interaction with the users and different designers of the system in development. JAD centres around a workshop session that is structured and focused.

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A blood bank maintains two tables - DONOR, with information about people who are willing to donate blood and ACCEPTOR, with info
Kipish [7]

Answer:

The sql query is given below.

Since we need to count of males and females for a particular blood group, we put xxx for the blood group.

SELECT COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "M%") as Male_Donors,

COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "F%") as Female_Donors

FROM DONOR

WHERE BG = xxx;

Explanation:

The clauses in the query are as follows.

1. SELECT: all the columns required in the output are put in this clause.

2. FROM JOIN ON: the table(s) from which the above columns are taken are put in this clause.

3. WHERE: any condition required to filter the output is put in this clause.

The query is explained below.

1. Find the number of male donors. Number of anything can be found using COUNT() function. A query is required since gender is included in deciding the type of donor.

2. The query is defined to find number of male donors as follows.

COUNT( SELECT DID FROM DONOR WHERE GENDER LIKE "M%"; )

3. In the previous query, LIKE operator is used since it is not defined what value is stored for male donors.

4. Similarly, the query to find the number of female donors is formed.

COUNT( SELECT DID FROM DONOR WHERE GENDER LIKE "F%"; )

5. Next, the final query is formed as follows.

SELECT: both COUNT() functions will come here.

FROM: table name

WHERE: specific blood group will be put here

GROUP BY: this clause is optional and is not used in this query.

HAVING: this clause is optional and is not used in this query.

6. The query after putting all clauses is shown below.

SELECT COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "M%"),

COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "F%")

FROM DONOR

WHERE BG = xxx;

7. Alias is used in the above query for each column to get the final query.

SELECT COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "M%") as Male_Donors, COUNT(SELECT DID FROM DONOR WHERE GENDER LIKE "F%") as Female_Donors

FROM DONOR

WHERE BG = xxx;

7 0
3 years ago
What doyou mean by process model and project model?
vlabodo [156]

Answer:

A process model is a narrative of each type of process. These models consist of processes that are inherently similar and are categorized accordingly; a logical set of actions executed in a comprehensible framework.

A project model is concise and visual, it depicts how a project will be implemented. They are specifically tailored according to each project, describing each of its functional aspects. Decision gates and partitions are important aspects and need to be exemplified throughout the project.

4 0
3 years ago
What is the main function of an operating system​
alina1380 [7]

Here are the main functions of an operating system:

1) Manage the resources of the device

The operating system controls how much of each resource is distributed, and it controls things like the processing unit and memory.

2) Establish a interface for the user of the device

The operating system must classify what the classes of the script/code have to do and what they implement.

3) Service application software

The operating system must service each application that is downloaded onto the device. It must balance it's use of storage between apps.

4 0
3 years ago
TRUE OR FALSE!!!!!
KatRina [158]

Answer:

True

Explanation:

Using CCleaner, it's revealed that there are trackers within "secure" websites/apps such as Google and Tiktok. The manufacturer(s) of these websites/apps can share your information with whoever they're working with. Since people often look past the terms and conditions when installing an app and or program, they don't see that companies can easily retrieve all of your data within a couple clicks.

6 0
3 years ago
When should the sponsor-monitor conduct the most detailed review of the study protocol with the site's study staff?
Likurg_2 [28]

Answer:

Site initiation visit is the correct answer.

Explanation:

Because the SIV is the sponsor-monitor which administers the detailed analysis of the site's study staff by the study protocol and it observes the process of the visite over a while that it take place after the visite of the site section. It also needed to set up the research site to administrates the analysis. So, that's why the following answer is true.

8 0
3 years ago
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