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Kurrymuncher's Noob IT questions

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kurrymuncher:
Hey guys, just had my IT class for next year and the teacher thought it would be funny to give us past exams to complete. Because i havent done year 11 IT, i have no idea what is going and I need help :'(  I might ask some really noobish questions so dont laugh  ;D

These questions are from a year 11 exam


1.Boolean variables have:
a) null values
b) one value
c) two values
d) many values

2. A key field, or primary key is:
a) the first field shown in a data structure table
b) a field that uniquely identifies each record in a file
c)vthe most important field in a database
d) a password protected field in a database


3. An example of a convention would be:

a)centering a heading in a document
b) right aligning numbers in a column in a spreadsheet
c) using a bulleted list for ingredients in a recipe
d) using a dark colour for text in a webpage


And also, can someone please very briefly explain what debugging is. Thanks :) :) :)

methodsboy:
1. C
2. B
3. A ( i think)
debugging looks for errors in the program and fixes them so that the program runs correctly and produces the required output

Flaming_Arrow:
debugging is the process of finding and correcting errors.

sxcalexc:
Question 1 is very poorly worded. Technically it has two 'possible' values (on/off yes/no) but in itself it is ONE value. So, technically one, but you can tell they are asking for 'two'.

kurrymuncher:
Thanks for the answers guys, ill be posting more soon.

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