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Computer ConceptsMemory
By: Larry So Chun YinSeptember 25th
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Unit Amount in Bits Unit Amount in BytesKilobit (Kbit) 1000 Kilobyte (KB) 1000
Megabit (Mbit) 1000,000 Megabyte (MB) 1000,000
Gigabit (Gbit) 1000,000,000 Gigabyte (GB) 1000,000,000
Terabit (Tbit) 1000,000,000,000 Terabyte (TB) 1000,000,000,000
Bits and Bytes
Unit Amount in Bits Unit Amount in Bytes
Kibibit (Kib) 1024 Kibibyte (KiB) 1024
Mebibit (Mib) 1048,576 Mebibyte (MiB) 1048,576
Gibibit (Gib) 1073,741,824 Gibibyte (GiB) 1073,741,824
Tebibit (Tib) 1099,511,627,776 Tebibyte (TiB) 1099,511,627,776
1 byte = 8 bits
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Binary and DecimalThe binary system is a base 2 numeral
system using only the digits “1” and “0”We are currently using a “base 10” system
– the “Decimal” systemOur current system has 10 digits:
“0,1,2,3,…,9”
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RAMRAM = Random Access MemoryThere are millions of capacitorsCapacitors are leaking buckets2GB is usually sufficientSome systems only support a max. of 3GB
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Virtual MemoryVirtual Memory = R.A.M.+ Hard DiskIdle/Inactive parts are put in the HDD for
later access
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Capacity of Devices
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