Figure 1: An image — an array or a matrix of pixels arranged in columns and rows.
In a (8-bit) greyscale image each picture element has an assigned intensity that
ranges from 0 to 255. A grey scale image is what people normally call a black and
white image, but the name emphasizes that such an image will also include many
shades of grey.
Figure 2: Each pixel has a value from 0 (black) to 255 (white). The possible range of the pixel
values depend on the colour depth of the image, here 8 bit = 256 tones or greyscales.
A normal greyscale image has 8 bit colour depth = 256 greyscales. A “true colour”
image has 24 bit colour depth = 8 x 8 x 8 bits = 256 x 256 x 256 colours = ~16
million colours.
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Answer:
Data hierarchy is basically define to the data which is organized in the systematic manner. The main concept of the data hierarchy is to check the basic structure of the data. It basically involve the fields records and files for the data organization.
The following is the list of the computer data hierarchy from nit to address are:
1) Bit: It is the smallest unit of the data.
2) Field: The collection of all the characters in the data is known as field.
3) Record: The collection of the different fields is known as records.
4) File: The collection of various types of records in the database is known as file.
Answer:
Documents containing CUI must be destroyed by shredding..
Explanation:
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