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When a stack is implemented using a 1-D array, adding a valid item can cause an execution error. Explain why an execution error can occur in this situation.

The key thing to remember here is that an array is a fixed size data structure so any attempt to exceed this size will cause an error during execution e.g. trying to add an item to an already full stack w...

TT
Answered by Thomas T. Computing tutor
2382 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 20 (=1) place. As you move left, the places represent 21, 22, 2...

LG
Answered by Lauren G. Computing tutor
5723 Views

What is SQL? I know it's a 'query' language, but what does that mean?

As you said, SQL is a query language that is used for databases. A 'query' language when referring to databases means that it is the language used to get information out of the database. 
Databases c...

LG
Answered by Lauren G. Computing tutor
3255 Views

What do 0s and 1s have anything to do with Boolean Logic?

In computers, everything is represented with 0s and 1s. While Boolean Logic is often explained using the terms 'true' and 'false', these are actually represented by the numbers 0 and 1.
0 means 'fals...

LG
Answered by Lauren G. Computing tutor
2914 Views

What is the difference between simplex, half duplex and full duplex?

These are different forms of data transfer. Simplex means that data can only travel in one direction between an interface. An example of this would be a keyboard - you type into the computer which is regi...

MM
Answered by Matthew M. Computing tutor
19794 Views

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