Binary/ Hex Flashcards

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1
Q

The every day number system is called ______,____ __ or _______

A

Denary, Base 10 or Decimal

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2
Q

How how you count in Base 10?

A

Beacuse each coloem heading in base 10 goes up to 9 for every didgit you add a number to the first coulem. When the first coulem gets to 10 you add one to the second coloum reseting the 1st coulem to 1

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3
Q

How many bits are there in binary

A

There’s 8 bits in binary each with eather a 0 or 1

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4
Q

How to you work out a bases colem heading?

A

Base number ^ Heading (e.g 2 ^ 0, 2 ^ 1, 2 ^ 2 ect ect)

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5
Q

How do you convert deanery to binary?

A

If it fits into 128 then a one goes into that column, otherwise put a zero in there, if adding 64 too that takes it over the top then a zero goes into the 64 column, if not a one goes in that column, then you repeat

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6
Q

How do you convert binary to deanery?

A

You add all the column headings with a 1’s in them together whilst ignoring the columns with 0’s in them to get the deanery number.

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7
Q

what is 1101 0101 in deanery?

A

its 137

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8
Q

Whats the largest 8 bit binary number?

A

255 Because 128 + 64 + 32 + 16 + 8 + 4 + 2 + 1 = 225

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9
Q

Whats 63 in binary?

A

0011 1111 because its 1 below 64

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