Answer:
Place holder
Explanation:
In computer programming, placeholder is a word, character or series of characters that is used to take up the space until the time when the space is actually needed. It is widely used in the sign up or login forms for web and mobile applications. For example, First Name, Last Name etc.
A programmer might have an idea that he will require this number of characters or values but he don't knows what the input will be, that’s why he uses the place holder.
Hope it helps!
Answer:
b. Automation refers to equipment that complements, rather than replaces, human contact.
Answer:
The longest codeword that could possibly be for "n" symbol is n-1 bits.
Explanation:
From the given information:
Suppose we are to consider a set of frequencies 
, for which f is a symbol for the length n. Therefore, the longest codeword that could possibly be for "n" symbol is n-1 bits.
However, during the encoding for "n" in conjunction with n-2, then the possibilities for n are; 
We can conclude that the longest codeword that could possibly be for "n" symbol is n-1 bits.
Answer: Non durable
Explanation:
Non durable products/services are more quickly consumed,usually in a single use or a few usage occasions. Examples of these product include daily eatables which has to be consumed within a few days or it will perish and other services such as medical and etc.
Answer:
C. how and where the data are physically arranged and stored.
Explanation:
The physical view as the name implies describes how and where the data are physically arranged in the database. This deals with the physical arrangement of data in the database. This user usually view the database in a logical way. e.g table. The physical arrangement is usually used by database specialists. There can be multiple logical view of a database but just a single view of the physical view.
