Answer:
Conceptual design is the first stage that involves defining a concept.
Explanation:
In the conceptual design phase it is important to understand the needs, doing research and find out how to meet them defining models and plans. In this stage, you have to define the steps you will need to take to develop the design and identify the challenges you may face in order to be prepare.
Answer:
A cyber attack or hacking
Explanation:
Answer:
b. & Puihaha
Explanation:
PHP variables are supposed to start with a $ sign.
Other rules followed by PHP variables are:
Starting character in variable name (after $) must be letter or _.
Other characters in variable names can be letters,numbers or _.
a. $_Puihaha
c. $Pui_haha
d. $Puihaha
satisfy these rules.
Whereas , b. & Puihaha does not satisfy as it starts with '&'. Moreover it also contains an invalid space character in the variable.
Answer:
To find the solution of Global warming, to find the combination of some drugs and test them, etc.
Explanation:
Distributed computing can be described as when a number of computers connected on the network communicate with each other by passing messages, and these systems are known as distributed systems.
There are various goals that can be accomplished using distributed computing, one of them is to find the solution of Global warming, by coordinating with different areas.
Another one is to find the combination of some drugs and test them to make new medicine.
