Answer:
The command to create a compressed archive (archive1.tar.gz) is

Explanation:
The explanation for the above command is
The general command to create a compressed archive is
tar -czvf name-of-archive.tar.gz /path/to/directory-or-files
Here, the terms are as follows:
-c : Creates an archive
-z : Compress the archive with gzip.
-v : This is known as verbose. This is an optional command and it displays the progress on terminal command. Without this the progress is not displayed on terminal command.
-f : Allows to specify the file name of the archive.
Here, if we want to archive multiple files, we provide the command the names of multiple files or directories of the files also can be used.
So, the command 
creates a compressed archive - archive1.tar.gz of files test1, test2 and test3.
Answer:
An information system is essentially made up of five components hardware, software, database, network and people. These five components integrate to perform input, process, output, feedback and control. Hardware consists of input/output device, processor, operating system and media devices.
Explanation:
Answer:True
Explanation:Calling a Function.
A function is created by defining what that function needs to do. In order to utilize that function one has to do that task defined in that function. A called function is the one that carries on the defined task
Parameters need to be passed with the function name in order to call a function,the value returned by a function is then stored.