Intro to It

Group: No Name
Tutorial 2: Images
Questions & Answers:
1.Our everyday decimal fraction numbering system is base-10. Computers use base-2, which is also known as the double star numbering system.
2.The smallest unit in a binary system is a bit, which refers to a binary digit (i.e.,0 or 1)
3.Eight bits equals one byte.
4.The word bit comes from the shortening of the course binary digit
5.If you want to use hand signals to communicate provided two possibilities yes or no to your friend, what is the minimum number of fingers you claim? 1 finger, we can call this hand-signal system 1-bit.
6.A pel that can have only one of two viable alter values requires 1 bit to store the color information.
7.If you use a byte to store the grayscale information of for each one picture element in a grayscale image, there are 256 gray levels for each pixel.
8.24 GB is the largest sizes
9.Kilo bytes KB = 1.024 bytes
Mega bytes MB = 1.048.576 bytes
Giga bytes GB = 1.073.741.824 bytes
Tera bytes TB = 1.099.511.627.776 bytes
10.How many bits is each of the following binary poem? Also, convert each to a decimal number.
a.00000000 = 0(8 bits)
b.0000 = 0(4 bits)
c.01101000 = 104(8 bits)
d.0110100 = 52(7 bits)
e.11 = 3(2 bits)
f.111 = 7(3 bits)
g.0000000000000010 =2(16 bits)
11.



transfer the following decimal number into binary
a.0 = 0
b.1 = 1
c.2 = 10
d.3 = 11
e.12 = 1100
f.123 = 1111011
g.11 = 1011
h.111 = 1101111
i.128 = 10000000
j.255 = 11111111
12.When analog information is born-again into digital data, we must consider two properties that affect the exactness of the digital representation, one from sample and one from quantizing. Which of the following is from take? Answer: sampling rate.
13.When analog information is converted into digital data, two properties affect the exactness of the digital representation, one from sampling and one from quantizing. Which of the following is from quantization? Answer: bit depth.
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