creates storyboards based on clients’ needs- Animator
assesses proposals for airplane designs to determine if they meet standards- Aeronautical engineer
uses special equipment and techniques to capture images- Commercial Photographer
creates software code, graphics, and multimedia elements for websites- Webpage designer
Answer:
GOF refers to the gang of four pattern that are generally consider the basic for all the other patterns. Design pattern are basically provide the solution to the software design to resolve all problems that are associated with the development of real world applications.
GOF Design pattern implemented the parts of the re-usable object oriented software applications. The main aim of design pattern is to pass all the structural design pattern. Design pattern is the most powerful and helpful tool for the software developer and architecture.
Answer:
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Answer:
Primary key retains its uniqueness even after you remove some of the fields.
Explanation:
I am assuming that this question is related to database. Therefore, I am answering it according to database context.
In database, you can have multiple rows and columns. Each column shows a specific attribute while each row plots the data according to the attributes. However, there is the first column of each of main table that has unique set of values. It is called the Primary Key. Some key features of primary key are:
- It always contains the unique value.
- Its value cannot be null.
- A table can have at max one primary key.
- It can be the combination of multiple columns but it must be unique.
Therefore, the primary key has the ability to retain its uniqueness even after you remove some of the fields.
Answer:
JK Flip Flop
Explanation:
Flip Flops is a fundamental building blocks of digital electronics systems. It is an electronic circuit with two stable states that can be used to store binary data. However, a JK Flip Flop is a type of universal flip-flop that makes the circuit toggle between two states and is widely used in shift registers.
So when building a circuit to perform parallel data transfers from one set of registers to another, a JK Flip Flop is the best choice he register FFs when you need to hold the interconnection between the register to a minimum.
