Explanation

Upgrades are used for significant changes and major improvements to your current version of the program

Explanation

 When a computer application is running, it is in the user mode.

Some examples are word application, PowerPoint, reading a PDF file and browsing the internet.

These are application programs so the computer is in user mode.

Explanation

A compiler is a special program that translates a programming language's source code into machine code, bytecode or another programming language.

Explanation

شیطانی demonic 

Explanation

In OSI reference model, when data packet moves from lower layers to higher layer, headers get removed.

Whereas when the data packet moves from higher layer to lower layers, headers are added.

Explanation

An integer  that can be positive, negative, or zero.

Explanation

A transaction log is a history of actions executed by a "Database Management System" (DBMS) to guarantee "ACID" properties over crashes or hardware failures.

Physically, a log is a file listing changes to the database, stored in a stable storage format.

Explanation

At a minimum, a prepositional phrase consists of one preposition and the object it governs.

The object can be a noun, a gerund (a verb form ending in “-ing” that acts as a noun), or a clause.

Explanation

Variable scope refers to the extent of code in which a variable can be referenced.

Variables defined inside a function are called local variables.

The scope of local variables and dummy arguments is limited to the function in which they are defined.

Explanation

Convert the object of the Active Voice Sentence into the subject of the Passive Voice Sentence.

Use helping verb was/were according to the subject of the Passive Voice sentence.

Use 3rd form of the verb.

Then use the word “by”, to show the doer.

Then convert the subject of the Active Voice Sentence into the object of the Passive Voice sentence.

In the end, add the remaining words if there are any in the Active Voice Sentence.