
Sistemi di numerazione e conversioni
Authored by Gabriella Gallo
Mathematics, Computers
12th Grade
Used 22+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Senza effettuare la conversione in decimale dire, dei seguenti numeri binari, quale è pari
1101
10011
0110
011001
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In un sistema base 5 quale è la giusta sequenza per enumerare 10 oggetti?
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
1, 2, 3, 4, 10, 11, 12, 13, 14, 20
1, 2, 3, 4, 5, 51, 52, 53, 54, 55
1, 11, 110, 111, 101, 100, 1100, 1010, 1110, 1111
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sul lontano pianeta PXY gli alieni, suoi abitanti hanno 4 dita per mano e contano con un sistema di numerazione simile al nostro in base 8. Per rappresentare un milione usano più o meno 7 cifre?
meno di 7 cifre
uguale a 7 cifre
maggiore di 7 cifre
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Continua la sequenza di codici binari … 1001 1010 1011 ….
1100
1010
10110
1012
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trasformare il numero (110011110111)2 in base 16
7636
7CF
6367
CF7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trasformare il seguente numero (771)8 in base 2
001111111
011101110001
111111001
000101110111
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un sistema di numerazione è detto posizionale perchè:
il peso della singola cifra dipende dalla sua posizione
il peso del singolo numero dipende dalla sua posizione
ogni cifra può assumere solo una determinata posizione
la posizione delle cifre è sempre una potenza di 2
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