Vector based graphics

Take up less storage space that a bitmap

Joint Photographic Expert Group

Can be compressed but loses quality of image

What does Data compression do?

converts digital data to as small a size as possible

no of bits to store each sound sample

Lossless compression is....?

maintains the quality of the file so no data is lost

Data portability is......

ability to transfer data from one computer to another

Smallest unit of a digital image

Raw facts and figures that have no meaning

quantity of data measured in bits processed in given time

memory used to store downloaded part of video before watch

Sample Rate is described as...?

the no of audio sound samples captured every second

Streaming is described as...?

is a process that allows videos to be viewed straight away

A real number can be described as...?

whole positive or negative numbers with decimals

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Unit 1 - Chapter 1 - Digital Data Revision

30 termsStudBud Administration43 plays

A revision quiz on chapter 1 - Digital Data

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Questions 30

Answers

1
Vector based graphics
Take up less storage space that a bitmap
Take up more storage space than a bitmap
Take up the same amount of storage space as a bitmap
2
What does RTF stand for?
Rich Tool Format
Round Tool Format
Rich Text Format
Row Text Format
3
What does BIT stand for?
Binary Digit
Binary Number
Binary Dot
Binary Digital number
4
Name an Image File Format?
MIDI
RTF
WMA
TIFF
5
What is information?
Data with no meaning
Data that is facts and figues
Data that is meaningless
Data that has been processed
6
A megabyte is how many bytes?
1024 kilobytes
1024 terabyte
1024 gigabytes
104 kilobyte
7
JPEG stands for
Joint Photographic Excel Group
Joint Photographic Expert Gang
Joint Photographic Expert Group
Joint Photos Expert Group
8
Bitmap images
Can not be compressed and does not lose quality of image
Can be compressed but does not lose quality of image
Can not be compressed but loses quality of image
Can be compressed but loses quality of image
9
What is equal to 1 byte?
a bit
a nibble
a kilobyte
4 bits
10
What does Data compression do?
converts digital data to as small a size as possible
converts audio data to as small a size as possible
converts digital data to as large a size as possible
converts audio data to as large a size as possible
11
Which file format can contain both audio and video content?
MIDI
PICT
WMA
AVI
12
Vector based images are made up
of shapes
of Pixels
13
What is Bit Depth?
no of bits to store each sound sample
no of bits to store a video sample
14
name TWO file formats that use compression?
WAV and TXT
RTF and MIDI
PNG and TIFF
GIF and JPEG
15
Lossless compression is....?
reduces the quality of data
maintains the quality of the file so no data is lost
reduces the size of a file by removing some data
maintains the quality of the file but data is lost
16
What does CSV stand for?
common separated value
comma set variable
comma separated variable
common separated variable
17
Data portability is......
ability to store particular different formats of files
ability to transfer data from one computer to another
ability to transfer data from same software applications
18
image RESOLUTION is...?
the quality of an image
the quantity of an image
the colour of an image
the size of an image
19
How many characters in the word "digital"?
9 characters
8 characters
7 characters
6 characters
20
Bitmap images
Store every detail of an image
No detail of an image
Some detail of an image
21
Name a sound file format?
JPEG
PDF
MIDI
GIF
22
What is a pixel?
Largest unit of a digital image
Smallest unit of a digital image
Smallest shape on a graphic
Largest shape on a graphic
23
What is the largest storage capacity?
Gigabyte
Terabyte
Megabyte
Kilobyte
24
What is Data?
Data that is processed
Raw facts and figures that have no meaning
Raw facts and figures that have meaning
Data that has meaning
25
What is bit rate
quality of data measured in bits
quantity of data measured in bits processed in seconds
quantity of data measured in bits processed in given time
26
Which of these are integer data types?
5.34
5.6
2.01
-4
27
A buffer is ....?
memory used to store downloaded part of video before watch
memory used to upload a video to the internet
28
Sample Rate is described as...?
the no of video samples captured every second
the no of audio sound samples captured every second
the no of audio sound samples taken in a minute
the no of video samples taken in a minute
29
Streaming is described as...?
is a process that allows videos to be viewed straight away
is a process that allows audio to be listened to immediately
is a process that allows videos to to be viewed later on
30
A real number can be described as...?
includes decimal numbers only
includes only positive and negative whole numbers
includes whole numbers and positive and negatives
whole positive or negative numbers with decimals

Unit 1 - Chapter 1 - Digital Data Revision Flashcards | StudBud