Coding Systems - Characters/ Bitmaps/ Sound

Question 1

Are you ready?

Accepted Answer

Zzz zz, Yes...!, Not again! :(, Of course...

Question 2

"Unicode is able to represent a wider range of foreign language characters." True or False?

Accepted Answer

True

Question 3

"LOSSY compression is often used for streaming Online content e.g. audio and video."

Accepted Answer

True

Question 4

A 1 is added to the bit string 01011000 when data is transmitted across a network. This uses:

Accepted Answer

An even parity

Question 5

Which of the following best describes the term "Amplitude"?

Accepted Answer

A wave's maximum disturbance from its undisturbed position

Question 6

"ASCII can represent fewer characters than Unicode." True or False?

Accepted Answer

True

Question 7

The code 0101 is sent as 000111000111. This is an example of:

Accepted Answer

Majority Voting

Question 8

What does ADC stand for?

Accepted Answer

Analogue-to-Digital Converter

Question 9

"Quality of LOSSY audio files is just as good as LOSSLESS."

Accepted Answer

False

Question 10

Which of these statements best describes the process of sound sampling?

Accepted Answer

Taking readings of an analogue wave at regular intervals

Question 11

"There are situations where some loss of data accuracy is acceptable."

Accepted Answer

True

Question 12

"LOSSY compression is needed where LOSSLESS compression cannot get the file small enough."

Accepted Answer

True

Question 13

What does MIDI stand for?

Accepted Answer

Musical Instrument Digital Interface

Question 14

Why is it necessary to be able to convert analogue to digital?

Accepted Answer

Computers can only process data in digital form

Question 15

The best description of the process of a LOSSLESS compression is: "Reducing the size of..."

Accepted Answer

...a file without compromising on the accuracy of the data

Questions 15