So i found out that the apollo 11’s guidance computer had 2k memory but like of what? 2,000 terabytes? basically i would like to know the units

1 K = 1024 bytes; 1 TB ≈ 10^12 bytes

A byte is a unit of computer storage that can hold a single character (e.g. the letter "a" or the nymber "2").

The symbol K stands for kilobytes.  

A kilobyte (K or KB) is 2^10 bytes = 1024 bytes ≈ 1000 bytes.

Thus, the Apollo computer had 2048 bytes (about 2000 bytes) of memory.

A terabyte (TB) is 2^40 bytes = 1.099 511 627 776 × 10^12 bytes ≈ 10^12 bytes

what are the two models

explanation:

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