Number Systems-I
The number system that uses two digits, 1 and 0
What is BINARY?
It is one of the compression techniques where some data is lost after compression and can not be retrieved.
What is LOSSY COMPRESSION?
Hexadecimal ... equals to decimal 15.
F
8 bits
What is BYTE?
A series of tiny dots in an image.
What is PIXEL?
1 or 0 in the binary number system
What is BINARY DIGIT?
A method of reducing file sizes, particularly in digital media such as photos, audio and video.
What is COMPRESSION?
Hexadecimal ... equals to decimal 5.
5
Half a byte
What is NIBBLE?
Refers to the number of pixels or individual colour dots in an image. The higher the number of pixels, the better the quality of the image.
What is RESOLUTION?
Another name for Denary/Decimal.
What is Base 10?
RLE and LZW are examples of this type of compression.
What is LOSSLESS COMPRESSION?
Decimal ... equals to 10 in binary.
2
A hex number is represented with ... bits
4
Each pixel is actually a very small square that is assigned a colour, and then arranged in a pattern to form the image.
What is the BITMAP GRAPHICS?
The highest one-digit numeral in the hexadecimal number system.
F
Replacing long sequences of repeated data values by indicating what has been repeated and the number of times it has been repeated.
What is RLE COMPRESSION?
Binary ... equals to 37 in denary.
0010 0101
The storage space needed to store a character.
What is BYTE?
The lossy image file format that supports up to 48-bit colour(bit) depth. It has a transparent colour too.
What is PNG?
There are .... digits required to represent the highest number in the hexadecimal number system.
4
In this type of compression, the image is analysed to find any patterns. These patterns are then allocated an index number.
What is LZW COMPRESSION?
Decimal ... equals to hexadecimal 15.
21
Is a character encoding standard for electronic communication. It supports up to 256 characters (8bits).
What is ASCII?
As it increases, the file size of the image also increases because more colour information has to be stored for each pixel in the image.
What is BIT DEPTH?