ABidenko-CS-Quiz

What type of utility software is used to send smaller files across the internet?

• Encryption

• Backup

• Compression

• Defragmentation

(a)   compression permanently removes some of the data from the file to make the file size smaller.

(a)   compression temporarily removes the data from the file and then puts it back together when it's opened.

Sound has to be converted to a digital signal so it can be stored by the computer. This process is called?

• Conversion

• Activation

• Incrementation

• Sampling

(a)   works by recording the amplitude of the wave at regular intervals which creates a digital representation of the wave.

Which of these affect the File Size?

• Bit rate

• Sampling Frequency

• Length of the recording

• Sampling Intervals

Which one of these is not included in the Metadata?

• System Name

• File Format

• Height

• Width

Which of these affect the size of an image?

• Colour Depth

• Resolution

• Height x Width

• Image Format e.g JPEG, JPG

Using ____ bits allows for ____ colour options.

(a)  

There are _ bits in a nibble.

(a)