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State the denary representation of the binary number 10010111

Short answer: 151 Long answer: Students will be used to thinking in denary numbers so I would talk about what denary ( or base 10 ) actually means. Basically each position is multiplied by 10 to the power of...
JA
Answered by Joseph A. Computing tutor
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Convert 01010001 from binary to decimal

Each digit in binary has a different value, very much the same as the way the three in 32 has a different value than the three in 321. Whereas this goes from 30 to 300, and you multiply by 10 every time, in ...
JL
Answered by Jay L. Computing tutor
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Why are certain fields chosen to be the primary key in a database?

A Primary key is a field in a database that is used as an unique identifier for each record. Therefore the field that is chosen as the primary key has to be something that will be different for every record,...
CB
Answered by Corey B. Computing tutor
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What is stepwise refinement in top down programming?

This is the process of breaking down a problem into sections which become progressively smaller until each module can be written as a singular function. Each module can be tested separately or form part of a...
ZN
Answered by Zoe N. Computing tutor
7038 Views

How do I put 10101011 from binary into decimal?

As with all binary numbers, you can start from the right side. The furthest right place represents the 2 0 (=1) place. As you move left, the places represent 2 1 , 2 2 , 2 3 , etc. So, as you go from the rig...
LG
Answered by Lauren G. Computing tutor
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