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System Software
Question 31 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Lossless Compression is .?
Usually performed on video files | |
When some original data is lost and the original file cannot be re-created | |
The original file can be re-created from the compressed file | |
Turning the text into a format that only a reader with a key can decrypt it |
Question 32 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Which part of the operating system will move data from the RAM to the virtual memory to allow the computer to perform tasks as though the computer had more RAM?
Memory management | |
File and disk management | |
User management | |
User interface |
Question 33 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Which operating system is used on some smartphones?
x86 | |
Windows 10 | |
MacOS | |
iOS |
Question 34 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Which is a benefit of using a Graphical User Interface (GUI)?
You need to use commands to control the computer. | |
It has a text based interface. | |
You can use a mouse or finger to click on brightly coloured icons. |
Question 35 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
The CPU is the..... of the computer.
Knee | |
Brain | |
Body | |
Heart |
Question 36 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Example of open source mobile operating system
iOS | |
Windows Mobile | |
Android | |
correctchoice Tizen |
Question 37 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Software applications are most likely to list what kind of operating system requirement?
An operating system cost | |
An operating system speed | |
A minimum operating system version | |
A maximum operating system version |
Question 38 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
What happens to RAM when the computer is switched off?
Data is lost | |
Data is stored | |
Data is retained for 10 seconds |
Question 39 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
To scramble data so that it is unreadable is a form of....?
Encryption | |
Defragmentation | |
Back-up | |
Compression |
Question 40 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
File property is:
Additional data stored about a file | |
Property of file that can be set | |
Basic information about files, name, size and date modified | |
Process of reducing the size of a file |
There are 40 questions to complete.