Flashcards
computer sience revision 1
Flashcards do conjunto (21)
- 1how many bits are in a nibble?4
- 2how many nibbles are in a byte?2
- 3how many bytes are in a kilobyte?1000
- 4how many kilobytes are in a megabyte?1000
- 5how many megabytes are in a gigabyte?1000
- 6how many gigabytes are in a terabyte?1000
- 7What two numbers are used in binary?1,0
- 8number the hexadecimal intergers?1,2,3,4,5,6,7,8,9,a,b,c,d,e,f
- 9what does a not logic gate look like
- 10what does a or logic gate look like
- 11what does a and logic gate look like
- 12Why do computers use BinaryBecause they only need to distinguish between 2 states on and of
- 13What bit binary is the most common (the one we use)8 bit binary
- 14What is and overflow error and when might one occurAn overflow error occurs when the result of the calculation is higher than what can be stored. This may occur when binary shifting left too far
- 15How many digits can be made with 8 bit binary256 as 00000000 is still an digit easily worked out by 2 to the power of 8
- 16what is the highest number that can be made using 8 bit binary255
- 17What is the effect of a binary shift leftmultiplies the value by 2 moves it up a column
- 18What is the effect of a binary shift rightdivides the value by 2 moves it down a column
- 19What is the smallest unit of storagebit
- 20What is 1000 terabytes equal to1 petabyte
- 21What is an underflowAn underflow is when the binary shift right too far and u lose accuracy because the number would be wrong
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- Year 8 Computing FlashCards sobre computer sience revision 1, criado por Jacob Slater em 03-05-2019.
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- Jacob Slater
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