Data representation Flashcards

1
Q

Why do computers only understand the binary system? Why does any form of data need to be converted into binary format so that it is able to be processed by the computer?

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2
Q

What is the binary number system?

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3
Q

What is the denary number system?

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4
Q

What is the hexadecimal number system?

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5
Q

What is the full form of ASCII?

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6
Q

What is the difference between the standard ASCII code character set and the extended ASCII?

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7
Q

What is unicode?

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8
Q

What are soundwaves?

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9
Q

What were the goals of unicode?

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10
Q

What is sampling?

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11
Q

How does an ADC convert the analogue data to digital?

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12
Q

What are sampling rate and sampling resolution?

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13
Q

What are the advantages and disadvantages of using a larger sampling resolution?

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14
Q

What is color depth?

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15
Q

What is image resolution?

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16
Q

What are the disadvantages of using a high image resolution? Name one compromise

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17
Q

What is a bit?

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18
Q

Name an advantage of using hexadecimal over binary.

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19
Q

What are the uses of the hexadecimal system?

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20
Q

What are error codes?

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21
Q

Compare MAC addresses and IP addresses? What is the format of MAC addresses? What is the full form of IP?

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22
Q

Name a few differences between IPv6 and IPv4.

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23
Q

Where is HTML used in? What are tags? What does the hexadecimal format signify?

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24
Q

How many values of RGB are possible in HTML color codes?

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25
Q

Name the table of memory size.

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26
Q

What is the file size of an image formula?

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27
Q

Name the formula for calculating the file size of a stereo and mono sound file.

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28
Q

Why is compression important?

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29
Q

When and how do you apply lossy compression? What is it?

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30
Q

When and how do you apply lossless compression? What is it?

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31
Q

What is RLE? What is the full form of it?

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32
Q

What is a flag in RLE? What is the number used for flag?

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33
Q

How to increase the accuracy of sampled sound?

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