Audio Engineering - Midi, Binary & Hex
In Relation to Audio Engineering A3 Worksheet 1
- 1.In binary, which values are represented by the first 8 collumns?
- A.
1, 2, 4, 6, 12, 24, 36, 72, 255
- B.
1, 2, 4, 8, 16, 32, 64, 128
- C.
128, 64, 32, 16, 8, 4, 2, 1
- D.
1, 16, 255
- 2.Digital devices communicate using which language?
- A.
English
- B.
Binary
- C.
Hex
- D.
MIDI
- E.
Machine Code
- 3.What type of language is binary?
- A.
Human Language
- B.
Computer Language
- C.
Foreign Language
- 4.In Binary, which of these values represents "8"
- A.
0 0 0 1
- B.
1 0 0 1
- C.
0 0 0 0 1 0 0
- D.
1 0 0 0
- 5.In binary, which of these values represents 17?
- A.
0 0 0 1 0 0 0 1
- B.
1 0 0 1 0 0 0
- C.
0 0 0 1 1 0 0 0
- D.
1 0 0 0 0 1 0
- 6.In binary, which of these values represent 127?
- A.
1 1 1 1 1 1 1 0
- B.
1 0 0 0 0 0 0 0
- C.
0 1 1 1 1 1 1 1
- D.
0 0 0 0 0 0 0 1
- 7.In binary, which of the following represents the number 254?
- A.
1 1 1 1 1 1 1 0
- B.
0 1 1 1 1 1 1 1
- C.
0 1 0 1 0 1 0 1
- D.
1 0 1 0 1 0 1 0
- 8.Which of the following numbers is equal the binary value, 00100001
- A.
17
- B.
33
- C.
129
- D.
138
- 9.Which of the following numbers is equal to 1 1 1 1 1 1 1 1
- A.
128
- B.
127
- C.
255
- D.
256
- 10.Which of the following numbers is equal to 1 0 0 0 1 0
- A.
136
- B.
34
- C.
68
- D.
72
- 11.In two character Hex, what are the two collumns (in order)?
- A.
1, 16
- B.
16, 1
- C.
F, 0
- D.
0, F
- 12.Which of the following characters cannot be entered into either of the Hex collumns?
- A.
0
- B.
10
- C.
B
- D.
F
- 13.What is the largest value which can be entered into a single hex collumn
- A.
15
- B.
F
- C.
16
- D.
A
- 14.Which number is equal to the HEX value 1,0
- A.
128
- B.
2
- C.
16
- D.
32
- 15.Which number is equal to the HEX value F, A
- A.
25
- B.
245
- C.
175
- D.
250
- 16.In hex, which of the following represents the number 161
- A.
1 F
- B.
1 A
- C.
A 1
- D.
F 1
- 17.What is the largest value that could be represented by two character hex?
- A.
127
- B.
128
- C.
255
- D.
256
- 18.In hex, which of the following represents 127?
- A.
F 7
- B.
F10
- C.
7 F
- D.
7 15
- 19.In hex, which of the following represents the binary value 1 1 1 1 0 0 0 1
- A.
F 0
- B.
F 1
- C.
F 2
- D.
F 3
- 20.Which of the following is the structure of a midi message
- A.
Data Byte, Status Byte 1, Status Byte 2
- B.
Data Byte 1, Data Byte 2, Status Byte
- C.
Status Byte, Data Byte 1, Data Byte 2
- D.
Status Byte 1, Status Byte 2, Data Byte
- 21.A status byte contains two types of information, select the both of them
- A.
Type of Message
- B.
Controller Type
- C.
Note On
- D.
Velocity
- E.
Channel Number
- F.
Sys Ex
- 22.Which of the following statements is true
- A.
In binary a status byte always begins with a 0
- B.
In binary a status byte always begins with a 1
- C.
In binary a data byte always begins with a 0
- D.
In binary the smallest value a data byte can be is 128
- 23.If a status byte contained this information: B2, what could be interpretted from it?
- A.
Note of message on channel 12
- B.
Note on message on channel 11
- C.
Controller message on channel 2
- D.
Controller message on channel 3
- 24.What is the full structure of a controller message
- A.
[B-Type of Message] [Which Controller] [ Channel Number]
- B.
[B-Note Value] [Which Controller] [ Velocity]
- C.
[B-Channel Number] [Which Controller] [ Controller Value]
- D.
[B-Type of Message] [Which Controller] [ Velocity]
- 25.What function is being described below: When a command or string is repeated over and over again, in order to reduce the amount of uneccessary data, the status byte, if repeated, is only sent once. The significance of a data byte always beginning with a 0 and a status byte always beginning with a 1 allows the system to instantly tell if it has recieved a data byte or a status byte. As a result if there are a string of note on message for example, rather than sending Status Byte, Data Byte 1, Data Byte 2, Status Byte, Data Byte 1, Data Byte 2, Status Byte, Data Byte 1, Data Byte 2. It would remove the 2nd and 3rd status bytes and instead send; Status Byte, Data Byte 1, Data Byte 2, Data Byte 1, Data Byte 2,
- A.
Sys Ex Dump
- B.
Running Status
- C.
Compression
- D.
Expansion
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