Definitely D, if you want a career that will make you happy you should make a list of your job preferences and skills
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.
Answer:
B. So that you will be forced to look behind the car for an approaching bicyclist.
Explanation:
The main reason for opening with your right hand in this scenario is so you can look behind you for a bicyclist, etc. It's a good practice as you never know if someone is behind you or of the likes. Many people usually open the door with their left hand. The problem with this is that they're not forced to look behind them and can be oblivious to people, bicyclists, etc. behind them.
<u>Hope this helps and have a nice day!</u>
