WorksheetsData Storage, Sound and Image File Sizes
Total questions: 40
Worksheet time: 23mins
How many bits are there in a nibble?
4 bits
8 bits
2 bits
16 bits
How many mebibytes (MiB) are in a gibibyte (GiB)?
1024 MiB
1000 MiB
512 MiB
2048 MiB
What is the correct unit for 1024 gibibytes (GiB)?
1 tebibyte (TiB)
1 terabyte (TB)
1 mebibyte (MiB)
1 kibibyte (KiB)
Which of the following factors affects the file size of an image?
Resolution and colour depth
Sample rate and bit depth
Frame rate and codec
Pixel density and compression algorithm
What information is needed to calculate the file size of a sound file?
Sample rate, bit depth, and length of track
Resolution, frame rate, and colour depth
Sample rate, frame rate, and resolution
Bit depth, compression type, and resolution
Meta data tells us _____________ .
when a file was created
when it was last modified
who owns the file
who can view or edit the file
all of the above
Rank the units of data storage in order from smallest to largest..
MiB > KiB > Byte > TiB >GiB
KiB > Byte > MiB > TiB > GiB
Byte > KiB > MiB > GiB > TiB
TiB > GiB > MiB > KiB > Byte
A group of binary digits or bits (usually eight) operated on as a unit. A unit for computer memory.
byte
bite
right
fight
1024 bytes is equivalent to what?
1 kiloByte
1 kibiByte
1 megaByte
1 mebiByte
1 tebibyte is equivalent to what?
1024 gibibyte
1024 gigabyte
1000 gibibyte
1000 gigabyte
How many 2GiB of HD Movie can be saved on a 1TiB external drive?
500
507
510
512
How many 2 MiB of photos presentation can be stored on a 32 GiB sd card?
17246
16384
15120
12453
How many MiB will remain after adding 50 music of 3 MiB on a 1GiB flash drive?
724 MiB
652 MiB
874 MiB
285 MiB
How much storage will be required by a six letter word?
6 KiB
6 bits
6 Bytes
6 MiB
What does ASCII stand for
American Scheme for Colours In the Internet
Any Set of Characters In the Internet
All Set Characters In Information
American Standard Code for Information Interchange
How many bits does ASCII use for 1 letter?
8
10
2
1
Same as 1,024 GiB
1 TiB
1MiB
1 MB
What is the smallest representable part of an image?
Pixel
Bit depth
Sample
Resolution
What type of image that made up of pixels?
Bitmap
Vector
How is the resolution of an image calculated?
Width in pixels * height in pixels
Colour depth * number of pixels
Number of pixels squared
Sample rate * sample resolution * length in seconds
How many colours can a bitmap using 2-bit colour depth contain?
2
4
8
16
How many colours can a bitmap using 4-bit colour depth contain?
2
4
8
16
Colour depth defines...
How many bits are needed to store each pixel
How many pixels are in an image
The file size of a bitmap image
The sample rate of sound
How is the file size of an image calculated?
Width in pixels * height in pixels
Number of pixels in image * colour depth
Number of pixels squared
Sample rate * sample resolution * length in seconds
A bitmap image of 10 by 10 pixels using a colour dept of 8 bits would have a file size of around:
100 bytes
800 bytes
400 bytes
80 bytes
Sound outside of computers is...
Analogue
Digital
In order for sound to be stored in a computer it must be converted to...
Analogue
Digital
HEIC
JPEG
Sound waves must be samples to create digital sound. A sample is...
a measure of amplitude at a point in time
the number of samples taken per second
the file size of an image
the number of bits to represent the amplitude
When recording sound, the number of samples recorded per second is called the:
sample rate
sample resolution
colour depth
File size
To calculate the size of a sound file:
colour depth * resolution * duration
sample rate * sample resolution * duration
number of samples * sample rate * duration
sample resolution squared * duration
A 10-second sound recorded at 1000 Hz and 8-bit sample resolution will have a file size of...
10 KB
10 B
10,000 KB
10,000 B
Increasing the sample rate of a recording will result in...
Higher-quality sound recording
Better compression
Higher colour depth
Increased amplitude
An image with only 3 colours could be stored using what minimum colour depth?
2 bit
3 bit
4 bit
1 bit
What does sample resolution refer to in digital audio?
The frequency at which samples are taken.
The number of bits used to represent the amplitude of the wave.
The total number of samples taken for a sound.
The improvement in quality of the sound representation.
If a sound recording has a sample rate of 1,000Hz and a sample resolution of 4 bits, what is the file size in bits for a 30-second recording?
30,000 bits
60,000 bits
120,000 bits
240,000 bits
Calculate the file size in bits for a 1-minute sound recording that has used a sample rate of 2,000 hertz and a sample resolution of 6 bits.
A) 720,000 bits
B) 360,000 bits
C) 180,000 bits
D) 1,440,000 bits
Which of the following is NOT typically considered metadata for a sound file?
Genre of the song
Sample rate
Track title
Year released
What metadata attribute would you use to describe the quality of a sound file?
Artist
Album
Sample resolution
Duration of the song
Which metadata attribute refers to the technical standard used to encode the sound file?
File type (WAV, MP3)
Album
Artist
Year released
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