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:
Adrian requires a high speed internet connection and a codec player to download and run movie on his system.
Explanation:
There are some basic requirements of the computers that, can be used to watch the movie on the computer.
1. RAM
2. Storage space to store the movie
3. High Speed Internet: As the movie is on the internet, to download it from internet, bandwidth and speed of internet is required.
4. Video Codec Player is required to play a digital movie on laptop or system.
Answer:
A.) Cup, Pint, Quart, Gallon
Explanation:
Answer:
error: incompatible types
Explanation:
Given
The attached code
Required
The output
Variable "a" is declared as float
While p is declared as a pointer to an integer variable
An error of incompatible types will be returned on line 3, <em>int *p = a;</em>
Because the variables are not the same.
To assign a to p*, we have to use type casting.
Hence, (b) is correct