<span>It is false that live preview is available on a touch screen. Life preview refers to cameras mostly, and to the fact that its display screen can be used as a viewfinder. Viewfinder is what you look through when you are using a camera to take a photo, or to focus on something. So, no, touch screen devices do not have this feature available, only the "old-school" cameras do.</span>
Answer:
i<6 is the "end guard". This means that the loop continues while this is true, and ends when this is false.
i++ is the "continuation", it is the operation executed when the loop continues. i++ increases the value of i by one.
Answer:
a) 
b) 
c) 10000 programs.
Explanation:
a) We know that the frequency is the inverse of the period, so:
1μs is equal to 
so 
b) If in a second there are 2.5*10^9 cycles:
c) we have to make a conversion, we know that a program takes 100*10^(-3) milliseconds, that is, 1*10^(-4) seconds so in 1 second we can execute:
10000 programs.
Answer:
Ransomware
Explanation:
commonly encrypts data on a computer and makes the data unavailable until the computer user pays a specific sum of money.
Answer:
mkdir -m 770 sales
Explanation:
The command mkdir is used to create a directory and the attribute or flag
-m is used to assign permissions on create a folder.
Example:
mkdir -m 770 sales
Create a folder with permissions 770 with name sales
