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Sound Storage Quiz

Total questions: 200

Worksheet time: 2hrs 7mins

Name
Class
Date
1.

How is an analogue sound wave converted into a binary sample?

a)

By measuring the amplitude at specific intervals

b)

By measuring the frequency of the wave

c)

By using a microphone to record directly into binary

d)

By converting the wave into text

2.

What is a sample rate?

a)

The size of the audio file in bytes

b)

The number of bits used per sample

c)

The duration of the audio file

d)

The number of samples taken per second

3.

Which of the following is a result of increasing the sample rate?

a)

Higher audio quality

b)

Lower audio quality

c)

Fewer samples per second

d)

Decreased file size

4.

What is bit depth?

a)

The number of samples per second

b)

The total size of the audio file

c)

The number of bits used to represent each sample

d)

The frequency of the sound wave

5.

How does increasing the bit depth affect an audio file?

a)

It decreases the file size

b)

It makes the audio file shorter

c)

It reduces the number of samples

d)

It increases the audio quality

6.

What is the file size in bytes for an audio sample with a bit depth of 8, a sample rate of 10, and a duration of 12 seconds?

a)

160 bytes

b)

150 bytes

c)

120 bytes

d)

96 bytes

7.

What happens to the file size if the sample rate is increased?

a)

The file size becomes zero

b)

The file size increases

c)

The file size remains the same

d)

The file size decreases

8.

Which of the following is true about a low sample rate?

a)

It increases the file size

b)

It has no effect on sound quality

c)

It results in low-quality sound

d)

It results in high-quality sound

9.

Optical discs are things like CDs, (a)   s and Blu-Rays.

CDs can hold around 700 MB of data.

DVDs can hold around 4.7 GB of data.

Blu-Rays can hold around 25 GB.

10.

Optical Discs come in three forms, select all of them...

Rewriteable (CD-RW, DVD-RW etc)

a)

Read-Only (CD-ROM / DVD-ROM etc)

b)

Write Only (DVD-R / BD-R)

c)

Rewriteable (CD-RW, DVD-RW etc)

d)

Retweetable (CD-Tweet / R)

11.
Normally used in digital cameras. ___ can hold thousands of jpg photographs.
a)
SD memory cards
b)
USB memory stick
c)
Magnetic tape
d)
CD
12.

Data stored on Backing Storage is...

a)

Volatile

b)

Non-volatile

13.

Rank the units of data storage in order from smallest to largest..

a)

MB > KB > Byte > TB >GB

b)

KB > Byte > MB > TB > GB

c)

Byte > KB > MB > GB > TB

d)

TB > GB > MB > KB > Byte

14.

Which of the following shows the capacity of OPTICAL STORAGE MEDIA in the correct order (smallest to largest)?

a)

DVD > BLU RAY > CD

b)

CD > DVD > BLU RAY

c)

BLU RAY > DVD > CD

d)

DVD > CD > BLU RAY

15.
Question 11: Which type of storage uses lasers to write the data?
a)
Optical
b)
Magnetic
c)
Solid state 
d)
All types 
16.
What is a disadvantage of solid state storage?
a)
Easily scratched, leading to the loss of data
b)
Large storage capacity
c)
Expensive to buy
d)
Portable, easy to carry around
17.
What is an advantage of a Hard drive?
a)
Easily scratched, leading to the loss of data
b)
Large storage capacity
c)
Expensive to buy
d)
Portable, easy to carry around
18.
What is an advantage of a CD?
a)
Easily scratched, leading to the loss of data
b)
Large storage capacity
c)
Expensive to buy
d)
Portable, easy to carry around
19.
What type of storage is this?
a)
Magnetic
b)
Optical
c)
Solid State
20.
What is the most durable?
a)
Magnetic Tape
b)
Solid State Drive
c)
Hard Drive
d)
CD
21.
Magnetic storage
a)
Storage that uses a surface which can be magnetised to store data
b)
Storage that can be disconnected from the main computer unit, for example to transfer files between computers.
c)
Moving a data, program or file from memory onto secondary storage for later use.
22.
Solid state drive
a)
Storage that works by storing the data in electronic circuits
b)
Storage that can be disconnected from the main computer unit, for example to transfer files between computers.
c)
Storage that uses a surface which can be magnetised to store data.
23.

Which of these statements explain "durability"?

a)

Length of time expected for data to last.

b)

Whether the data will be saved as expected.

c)

The data is not affected when saved.

d)

No changes to the file formatting.

24.

Besides COST or CAPACITY, which of these are characteristics of storage devices? (Select all)

a)

speed (data transfer rate)

b)

Durability

c)

Portability

d)

Reliability

e)

Data Storage Space

25.

Which of these storage devices make use of optics (laser light) to store data? (Tick All)

a)

CD

b)

Fibre Optic Cable

c)

DVD

d)

Blue-Ray

e)

LED

26.

Which of these define what secondary storage is?

a)

Non-volatile storage / devices that are not directly accessible by the CPU

b)

Any non-volatile storage

c)

All memory technologies that use magnetism.

d)

Any memory technology using laser light

e)

A USB device

27.

Which of these are reasons for computer systems requiring secondary storage? (Tick all)

a)

Secondary storage improves system performance

b)

Used to back up data stored in main memory/primary storage.

c)

Stores programs/data and other files that would otherwise be lost when the power is switched off/RAM is volatile/cannot store data permanently.

d)

Need for larger storage capacity (than what RAM and ROM can provide).

e)

Its required for Virtual Networks

28.
Quality of an image depends on:
a)
Resolution
b)
Metadata
c)
Screen size
d)
Computer's speed
e)

colour depth

29.
The density of pixels in an image file is known as:
a)
Resolution
b)
Dimensions.
c)
Transparency.
d)
Compression.
30.
Resolution is measured in:
a)
Pixels per mm or per inch
b)
Print size.
c)
Milimeters.
d)
Bytes.
31.
Identify a true statement:
a)
Image files can be compressed by setting pixels with similar colour to the exactly same colour.
b)
Compressing files improves their quality.
c)
Resolution doesn't affect the printed size of an image.
d)
Black and white images have colour depth of two bits.
32.
Colour depth refers to:
a)
How many bits are used in a file to store colour information in every pixel
b)
Resolution divided by the number of colours in an image.
c)
Degree of file compression applied to an image file.
d)
Repeated resampling of an image.
e)

number of colours used in the image

33.
The smallest unit of data stored in an image file is called:
a)
Pixels
b)
Resolution
c)
Alpha
d)
Bitmap.
34.
A bitmap file is an example of raster graphics.
a)
True
b)
False
35.
A bitmap file contains virtually unlimited number of colours.
a)
False
b)
True
36.

Bitmap images are made up of (a)  

37.

The number of bits used to represent each color is called the (a)  

38.

What is an Image Resolution?

a)

Number of pixels in an image.

b)

Number of bits in an image.

c)

Number of bytes in an image.

d)

Number of data in an image.

39.

Main drawback of high resolution images?

a)

Increase in file size

b)

Increase in pixels

c)

The quality of Image.

d)

No drawbacks.

40.

File size of an image is calculated as:

a)

Image resolution (in pixels) x colour depth (in bits)

b)

Sample rate x sample resolution x length of sample

c)

Image resolution + colour depth

d)

Image resolution - colour depth

41.

What is the maximum number of values that can be represented in 8 bits

a)

16

b)

256

c)

65,536

d)

128

42.

Which of the following is not stored as metadata about an image?

a)

Height

b)

Colour depth

c)

Resolution

d)

Number of people in the image

43.

How many colours can be represented with a 4 bit colour depth?

(a)  

44.

Refers to the compression when some of the data from the original file is lost

a)

lossless

b)

300 dpi

c)

lossy

d)

cmyk

45.

Which is a pro of your file being lossy

a)

quality is loss

b)

reduce download time

c)

lower quality

d)

can't get original back

46.

Which is a con of your file being lossy

a)

reduced file size

b)

reduced download size

c)

quality loss

d)

easy uploading

47.

Which is a pro of Lossless

a)

larger files vs. lossy files

b)

low low low quality

c)

its become pixelated

d)

No loss of quality when compressed

48.
Computers use binary because they have circuits which are either on or off, which gives them two states to work from to make calculations and run processes - True or False?
a)
True
b)
False
49.
Which is the smallest storage unit in a computer?
a)
Bit
b)
Megabyte
c)
Nibble
d)
Terabyte
50.
How many bytes are in a kilobyte?
a)
2
b)
124
c)
1024
d)
102440
51.
How many kilobytes are in megabyte?
a)
600
b)
1001
c)
1008
d)
1024
52.
How many gigabytes are in a terabyte?
a)
1024
b)
1016
c)
1098
d)
999
53.
What is compression?
a)
To convert one file to another
b)
To reduce the size of data to save space
c)
To minimise the time taken for a file to be download
d)
To compress something by pressing it hard
54.
What does Lossy Compression do to files?
a)
Increases the file size and keeps the same quality
b)
Eliminates no information at all
c)
Decreases the file size and keeps the same quality
d)
Eliminates unnecessary information in a file to reduce file size
55.
What is Lossless Compression?
a)
No information is lost but file size is increased
b)
There is no loss of information at all after compression
c)
Files which have the exact same data after compression
d)
Compression involves an algorithm
56.
What type of compression would you use to compress a video?
a)
Lossy
b)
Lossless
57.
What type of compression would you use to compress a text file?
a)
Lossy
b)
Lossless
58.
When Lossy compression is used data is lost?
a)
True
b)
False
59.
What would you use compression for?
a)
Making an image file smaller
b)
Modifying an image 
60.

Compression in general makes it _______ to send, upload and stream data

a)

Quicker

b)

Slower

61.

Lossless compression permanently deletes the data

a)

True

b)

False

62.

Lossy compression would be suitable for text files

a)

True

b)

False

63.

Compression looks for _______ data

a)

Unnecessary

b)

Repeated

64.

What type of compression allows you to reconstruct the original data?

a)

Lossless compression

b)

Lossy compression

65.

What type of compression does not allow you to reconstruct the original data?

a)

Lossless compression

b)

Lossy compression

66.

Based on your experience with text compression, which of the following sentences would compress the BEST?

a)

The quick brown fox jumped over the lazy dog.

b)

Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo.

c)

How much wood would a woodchuck chuck if a woodchuck could chuck wood?

d)

JavaScript scripts are actually different scripts than Java scripts.

67.

3.5MB is how many kB?

a)

350

b)

3500

c)

3500000

d)

35000

68.
Has this been compressed using Lossy or Lossless?
a)
Lossy
b)
Lossless
69.

Which of the following would not be suitable for Lossy Compression?

a)

Images

b)

Music

c)

Videos

d)

Text

70.

Select the advantages for lossy compression

a)

Makes the file much smaller

b)

Will send much quicker

c)

A very simple algorithm

d)

The quality will not be affected much

71.
The smallest unit of data stored in an image file is called:
a)
Pixels
b)
Resolution
c)
Alpha
d)
Bitmap.
72.
Colour depth refers to:
a)
How many bits are used in a file to store colour information in every pixel
b)
Resolution divided by the number of colours in an image.
c)
Degree of file compression applied to an image file.
d)
Repeated resampling of an image.
73.

Bitmap graphics are made up of

a)

dots.

b)

images.

c)

mathematics formulas.

d)

coloured pixels.

74.
A character set is...
a)
What language can be used in a computer system.
b)
The fonts that a computer has installed.
c)
The possible characters that can be represented by a computer system.
75.
The (standard) ASCII code is capable of representing non-European languages.
a)
True
b)
False
76.
What is the maximum number of values that can be represented in 8 bits?
a)
255
b)
256
c)
65,536
d)
128
77.
Reducing the amount of colours in the image will
a)
Reduce the quality of the image.
b)
Reduce the amount of binary needed for each pixel.
c)
Make the file size larger
d)
Remove pixels from the image.
78.
How many colours can be used for each pixel if the colour depth is 4 bit?
a)
4 colours
b)
5 colours
c)
15 colours
d)
16 colours
79.
How many colours can be used for each pixel if the colour depth is 8 bit?
a)
8 colours
b)
9 colours
c)
255 colours
d)
256 colours
80.
The binary code for each pixel is used to determine
a)
Which colour will be displayed
b)
How big the image is
c)
What shape the image is
d)
How many pixels will be in the image
81.
Which is NOT an effect of increasing the resolution in an image?
a)
More colours can be displayed.
b)
More binary will be required to create the image.
c)
Larger file size
d)
Higher quality image
82.
Digital sound always sounds better than analogue.
a)
False
b)
True
83.
The most common sampling rate for sound files is 44.1 khz.
a)
True
b)
False
84.
A microphone converts the changes in air pressure into voltage changes which are then digitised.
a)
True
b)
False
85.
The following is true about sampling rates:
a)
They measure a number of snapshots of sound taken per second.
b)
They are not as important as bit rates.
c)
They are different for every song, depending on its loudness.
86.
Lossy compression works by identifying sound frequencies that are not obvious and deleting them.
a)
True
b)
False
87.

What is the sample rate?

a)

The number of times a sound wave is sampled per second

b)

The number of bits used to store each sample

c)

How loud a sound is

d)

The size of the sound wave

88.

What is sample rate measure in?

a)

Bits

b)

Hertz

c)

GB

d)

amps

89.

What is used to convert a sound wave in to a digital format?

a)

A sound wave converter

b)

A router

c)

An amplitude to digital converter

d)

Analogue to digital converter

90.

What is the formula for finding a sound files size?

a)

size = rate * resolution * seconds

b)

size = rate * resolution * minutes

c)

size = amplitude * bits * seconds

d)

size = sample * frequency * bits

91.

What is amplitude?

a)

Number of samples taken

b)

The number of bits per sample

c)

The height of the sound wave

d)

The pitch

92.
What is Pitch?
a)
How loud or soft a sound is
b)
muscle that holds vocal cords
c)
movement back and forth
d)
how high or low a sound is
93.
What is the difference between analogue and digital data?
a)
Analogue is continuous data, whereas digital signals have two values, 0 and 1.
b)
Analogue has two values 0 and 1, whereas digital is continuous data.
94.
How many bits are used in (standard) ASCII? (1-4)
a)
16
b)
1
c)
7
d)
8
95.
How many bytes are used in Unicode? (1-4)
a)
9
b)
16
c)
1
d)
2
96.
Upper and lower case letters have a different ASCII code. (3-4)
a)
True
b)
False
97.
What is the maximum number of values that can be represented in 7 bits? (4-6)
a)
16
b)
256
c)
65,536
d)
128
98.
ASCII can represent more characters than Unicode? (4-6)
a)
True
b)
False
99.
ASCII stands for... (6-7)
a)
American Standard Code for Information Interchange
b)
American Scientific Code for Information Interchanging
c)
Absolute Standard Codes for Instruction Interchange
100.

What is a benefit of extended ASCII?

a)

All major languages can be represented

b)

Many European languages can be represented as accents are included

c)

Nothing as it just uses more space to store each letter

101.

What does alphanumeric mean?

a)

Letters and numbers

b)

Uppercase and lowercase letters, digits and symbols

c)

Letters, digits, symbols and some special commands like space

102.

If the letter A is character code 65, what is H?

a)

72

b)

71

c)

8

d)

73

103.
What is the answer to 010 + 010?
a)
110
b)
010
c)
100
d)
011
104.
What is this an example of?
a)
Overflow error
b)
8 bit binary addition
105.
What is the answer to 1010 + 0101?
a)
1011
b)
1001
c)
1111
d)
0111
106.
Add binary numbers shown?
a)
01011010
b)
10011010
c)
10010101
d)
10100010
107.

Calculate the binary addition: 01111111 01111101

a)

11111101

b)

11111100

c)

11011100

d)

11011100

108.

Calculate the binary addition: 00111011 00110011

a)

01101111

b)

01111110

c)

01101110

d)

11111110

109.
01010101 + 10101010 =
a)
11111111
b)
11111110
c)
11110000
d)
10101011
110.
1 1 1 1 1 + 1 1 1 1
a)
1 0 1 0 1 1
b)
0 1 1 1 0 1
c)
1 0 1 0 0 0
d)
1 0 1 1 1 0
111.

1111 + 1111 + 0001

a)

111101

b)

11111

c)

110011

d)

10101

112.
In a logical _____ shift we multiply by 2 for each shift place.
a)
Left
b)
Right
c)
Right and Left
113.
In a logical _____ shift we divide by 2 for each shift place.
a)
Left
b)
Right
c)
Right and Left
114.
Shift 01101000 to 3 places to the right
a)
00110100
b)
00001101
c)
00011010
115.
In a logical _____ shift we divide by 2 for each shift place.
a)
Left
b)
Right
c)
Right and Left
116.

Divide by 2: 0011

(a)  

117.

Divide by 2 1011

(a)  

118.

Multiply by 4: 0101

(a)  

119.

A binary shift 1 place to the left is the equivalent to what arithmetic operation?

a)

Multiplying the number by 2

b)

Multiplying the number by 4

c)

Dividing the number by 2

d)

Dividing the number by 4

120.

A binary shift 2 places to the left is the equivalent to what arithmetic operation?

a)

Multiplying the number by 2

b)

Multiplying the number by 4

c)

Dividing the number by 2

d)

Dividing the number by 4

121.

A binary shift 2 places to the right is the equivalent to what arithmetic operation?

a)

Multiplying the number by 2

b)

Multiplying the number by 4

c)

Dividing the number by 2

d)

Dividing the number by 4

122.

A binary shift 1 place to the left is the equivalent to what arithmetic operation?

a)

Multiplying the number by 2

b)

Multiplying the number by 4

c)

Dividing the number by 2

d)

Dividing the number by 4

123.

An overflow error is where...

a)

0s and 1s... Oh my!

b)

Not enough room memory to store results

c)

Wrong file type

d)

To much room in memory to add everything up

124.

How does the rule 1 + 1 + 1 work?

a)

0 carry 1

b)

1 carry both 0s

c)

1 carry 1

d)

0 carry 1

125.

A right shift is the same as...

a)

Hexadecimal

b)

Multiplying

c)

Subtracting

d)

Dividing

126.

A left shift is the same as...

a)

Multiplying

b)

Dividing

c)

Adding

d)

Rounding

127.

Convert this decimal number into a Binary number: 1

(a)  

128.

Convert this decimal number into a Binary number: 7

(a)  

129.

Convert this decimal number into a Binary number: 10

(a)  

130.

Convert this decimal number into a Binary number: 20

(a)  

131.

Convert this Binary number into a Decimal number: 0011

(a)  

132.

Convert this Binary number into a Decimal number: 1001

(a)  

133.

Convert this Binary number into a Decimal number: 0001 0001

(a)  

134.

Convert this Binary number into a Decimal number: 0010 1000

(a)  

135.

How many bits are there in a byte?

a)

2

b)

4

c)

5

d)

8

136.

What is the other name for binary

a)

Base 10

b)

Base 2

c)

Base 15

d)

Base 1

137.
Convert the hexadecimal number C9 to binary
a)
1100 1001
b)
1100 1000
c)
1100 1010
d)
1100 0101
138.
State the denary representation for the binary number 0011 1101
a)
60
b)
61
c)
62
d)
63
139.
What letters does hexadecimal use?
a)
A-F
b)
A-D
c)
P-W
d)
A-Z
140.
How many hexadecimal digits is equal to one nibble of binary?
a)
1
b)
2
c)
3
d)
4
141.
How many bits is a nibble made up of?
a)
1
b)
2
c)
3
d)
4
142.
What does 'A' equal in denary?
a)
8
b)
9
c)
10
d)
11
143.
What does 'F' equal in denary?
a)
14
b)
15
c)
16
d)
17
144.
What does 5F equal in denary?
a)
90
b)
95
c)
100
d)
105
145.
Convert 173 Decimal to Binary
a)
11000111
b)
11011101
c)
10101101
d)
01110011
146.
What number in hexadecimal comes after 7F?
a)
80
b)
8F
c)
7G
d)
8A
147.

11010111 in binary is...

a)

ODD

b)

EVEN

148.

10111110 in binary is...

a)

ODD

b)

EVEN

149.
Convert the Hex number 1F to binary.
a)
00111111
b)
00001111
c)
00010111
d)
00011111
150.
Convert the binary number 10101010 to Hex
a)
AA
b)
BB
c)
CC
d)
DD
151.
Convert the binary number 11101011 to Hex
a)
EA
b)
EB
c)
BA
d)
BC
152.
Write 45 as a binary number 
a)
00101111
b)
00011101
c)
00101011
d)
00101101
153.
Binary = 0100 1010 0011 1101
Hex = ?
a)
43AD
b)
4A3D
c)
D3A4
d)
3A4D
154.
Convert the Hex number B9 to binary.
a)
10111001
b)
10111000
c)
10111101
d)
10101001
155.
Convert the Hex number 93 to binary.
a)
01010011
b)
10100011
c)
10010011
d)
10010010
156.
Convert 01100011 from binary to decimal.
a)
98
b)
99
c)
80
d)
121
157.

How would you write the denary 10 in hexadecimal?

a)

A

b)

B

c)

D

d)

E

e)

F

158.

How would you write the denary 11 in hexadecimal?

a)

A

b)

B

c)

D

d)

E

e)

F

159.

How would you write the denary 13 in hexadecimal?

a)

A

b)

B

c)

D

d)

E

e)

F

160.

How would you write the denary 14 in hexadecimal?

a)

A

b)

B

c)

D

d)

E

e)

F

161.

How would you write the denary 15 in hexadecimal?

a)

A

b)

B

c)

D

d)

E

e)

F

162.

What is the binary number 111010 in hexadecimal?

a)

E2

b)

D2

c)

B2

d)

3B

e)

3C

163.

What is the binary number 10110010 in hexadecimal?

a)

E2

b)

D2

c)

B2

d)

3B

e)

3C

164.

What is the binary number 11100010 in hexadecimal?

a)

E2

b)

D2

c)

B2

d)

3B

e)

3C

165.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
166.
Convert 65 to binary
a)
01100001
b)
00100001
c)
01000001
d)
00100101
167.
Convert 254 to binary
a)
11110000
b)
11111100
c)
11111111
d)
11111110
168.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
169.
Convert 196 to binary
a)
11000110
b)
11100100
c)
11000100
d)
11010100
170.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
171.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
172.
Convert 00100100 to decimal
a)
26
b)
36
c)
46
d)
56
173.
Convert 01000100 to decimal
a)
58
b)
68
c)
78
d)
88
174.
What are the only two numbers you can use in binary?
a)
0 and 1
b)
1 and 2
c)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
d)
1, 2, 4, 8, 16
175.
If a binary number ends with a 1, it must be...
a)
An odd number
b)
An even number
c)
A prime number
d)
The number 12
176.
What is the point of binary?
a)
It represents how computers interpret electrical signals
b)
Because we like to make you do extra maths ;-D
c)
For the lulz
d)
Because it describes star systems
177.
What is 12 in binary?
HINT: It has an 8 and a 4 in it!
a)
12
b)
11
c)
1100
d)
1011
178.
What is 1011 in denary?
a)
11
b)
14
c)
26
d)
1011
179.
Binary uses 1’s & 0’s to represent data
a)
True
b)
False
180.
Each 1 and 0 represented in binary is called a bit
a)
True
b)
False
181.
There are 8 bits to one byte
a)
True
b)
False
182.

Smallest unit of data in a computer is...

a)

bit

b)

Byte

c)

kilobit

d)

kiloByte

183.

8 bit= ...

a)

1 Byte

b)

1kb

c)

1kB

d)

1GB

184.

1000 Byte = . . .

a)

1 kB

b)

1 KB

c)

1 kb

185.

1000 kB= ...

a)

1 mb

b)

1 mB

c)

1 MB

186.

1000 GB = ...

a)

1 tb

b)

1 TB

c)

1 Tb

d)

1 tB

187.

After TeraByte there is ....

a)

YOTTABYTE

b)

ZETTABYTE

c)

EXABYTE

d)

PETABYTE

188.

A nibble is

a)

1 bit

b)

4 bits

c)

1 byte

d)

4 bytes

189.
Makes the file smaller by deleting parts of the file permanently (forever)
a)
Lossy Compression
b)
Lossless Compression
190.
Makes the file smaller by giving repeated patterns/colours a specific code
a)
Lossy Compression
b)
Lossless Compression
191.
What would you use compression for?
a)
Making an image file smaller
b)
Modifying an image 
192.

Which of the following would not be suitable for Lossy Compression?

a)

Images

b)

Music

c)

Videos

d)

Text

193.

Compression in general makes it _______ to send, upload and stream data

a)

Quicker

b)

Slower

194.

Lossless compression permanently deletes the data

a)

True

b)

False

195.

Lossy compression would be suitable for text files

a)

True

b)

False

196.

Compression looks for _______ data

a)

Unnecessary

b)

Repeated

197.

There are _____ different types of compression

a)

2

b)

3

c)

4

198.

Select the advantages for lossy compression

a)

Makes the file much smaller

b)

Will send much quicker

c)

A very simple algorithm

d)

The quality will not be affected much

199.

Select the advantages for lossless compression

a)

Makes the file much smaller

b)

Will send quicker

c)

A very simple algorithm

d)

The quality will not be affected much

200.

You would use ______ compression if you still needed to have a high quality image

a)

Lossy

b)

Lossless

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