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Vladimir [108]
3 years ago
10

ICT excel data homework

Computers and Technology
1 answer:
kifflom [539]3 years ago
4 0
Static data field - the field is set at the start of the program (if creating a program) and can not be changed, its value will be constant. 
<span>Instance data field - can be manipulated by the user, so that its value can be stored: for example you have a data field storing how many hours a person can work in one day, the field will be static as there are always 24h in a day and that can not change. </span>
<span>If you have a second data field storing how many hours a certain employee worked that field will be an instance data field as its values can differ.</span>
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Digital electronics involves 2 states which are abstracted as 0/1 or true/false.

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Digital electronics involves 2 states. For TTL logic this corresponds to 0 Volt (0) or 5 Volt (1). Analyzing further, a  digital waveform has a square shape  (not necessarily a perfect square) with 2 levels denoting the two states, namely, true(1) or false(0). So a 0 or 1 is not actually absolute but 0 corresponds to voltage level below a threshold voltage whereas 1 corresponds to voltage level above a threshold voltage.

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5. HLOOKUP function: it's an Excel function that avails end users the ability to lookup data in a table organized horizontally. Thus, it's typically used for searching values in a column.

In Microsoft Excel, to insert the IF, COUNTIF, or SUM function into a cell, you should type an equal to (=) sign in the cell, followed by the name of the particular function and the relevant arguments.

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