Answer:
phrase[2:5]
Explanation:
Given:
The above code segment
Required
Which instruction returns 'u a'
First, we need to get the index of u in the phrase:
u is at the third position but in programming, index starts at 0.
So, u is at index 2
Next, we need to get the index of a in the phrase:
a is at index 4
One of the ways to return a sub string from a string in python is ![string[start:stop+1]](https://tex.z-dn.net/?f=string%5Bstart%3Astop%2B1%5D)
Where:
----- index of u
----- index of a
phrase ---- The string variable
So, the instruction that returns 'u a' is: ![phrase[2:5]](https://tex.z-dn.net/?f=phrase%5B2%3A5%5D)
<em>Where 5 = 4 + 1</em>
Answer: 4) Hierarchy
Explanation:
The main components of the relational database are table, entity and attributes. As, relational data base is the method of arranging and maintaining the data and each table in the database contain data in the entity and the attributes. Hierarchy is not the component of the database as it is included in the type oh hierarchical database not in relational database.
Answer:
Threat and Hazard Identification and Risk Assessment
Explanation:
Its the threat and hazard identification and risk assessment technique that helps in exploding possible risks, which have been identified in the past. Also, it lists the solutions that were being brought to use for getting rid of the risk, and also list the outcome. Thus, you get the complete picture of the risk involved through the THIRA. And thus, you can easily get rid of them.
I believe it is Control unit..
Hope this helps!
