Unit 1-Number Bases keywords
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Byte
Smallest memory unit available
Bit
Binary digits (usually a code of 8 bits)
Denary system
Decimal system, using 0-9. Weightings using 1,10, etc.
Overflow
When there’s not enough bits to represent the binary number accurately
How many bytes r in 1 kibibyte?
1,024
Memory dump
When the memory contents of a computer is printed out/ shown on a monitor
Nibble
4 digits
What is the binary order of magnitude?
Kibibyte (KiB) Mebibyte (MiB) Gibibyte (GiB) Tebibyte (TiB) Pebibyte (PiB)
How many bytes in 1 Mebibyte?
1,048,576 (2 to the power of 20)
What’s the hexadecimal base number?
16
What happens when a BCD value is greater than 9?
It causes an overflow
How do u calculate a number via 2’s complement?
Invert the bits Add 1 at the furthest right