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3 years ago

What is a parameter variable?

Computers and Technology

1 answer:

max2010maxim [7]3 years ago

6 0

Answer:

Option c: A variable that is declared in the header of a method.

is correct answer.

Explanation:

Parameter variable is also known as Reference variable. They are used while dealing with functions, methods or procedures in order to pass the value(variable) to the method and getting the output value back as return.
The parameter variable is written in front of the method's name inside the parenthesis, in the method's header indicated by keyword "var".
Parameter variables are infact the assumed names for actual arguments that are given by calling routine.
Passing parameter variables to a function is further divided into two parts:

Pass by reference
Pass by value

i hope it will help you!

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Which is the best programming practice?

irina [24]

Answer:

Open a file when the program needs to work with it and close the file as soon as you have finished using it.

Explanation:

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As the files that we will create may contains data, these files will utilize computer resources such as, memory (RAM, Cache) and other resources. While programming, we need these resources as well.

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3 years ago

What is a zerø-day exploit? No go.ogle >:(

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2 years ago

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3 years ago

Your program has a loop. You want to exit the loop completely if the user guesses the correct word.

Wewaii [24]

Answer:

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2 years ago

Read 2 more answers

For each of the following SQL queries, for each relation involved,list the attributes that must be examined to compute the answe

Vlada [557]

Answer:

1. E.eid ,E.hobby, E.sal, E.did

2.E.eid , E.sal, E.hobby ,E.did , D.did, D.floor ,D.dname , D.budget.

3.E.eid , E.sal, E.hobby ,E.did , D.did, D.floor ,D.dname , D.budget.

4.E.eid , D.dname

Explanation:

The attributes that are examined for the query are the attributes of the table that are mentioned in the select statement and where clause.

So according to first query we are working on all attribues of Emp table so all of the attributes of Emp table are examined.In second query we selecting all attributes of both the tables hence all attributes of both the table and same in the next query.

In fourth query though the query is not complete where clause is missing but we have eid from Emp and dname from Dept tables for sure and the attributes mentioned in where clause will also be present.

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3 years ago