
quiz1
Authored by Alexandra Merezeanu
Computers
University

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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Ce e neuronul artificial?
elementul fundamental din structura unei retele neurale
unitate de calcul ce realizeaza o operatie relativ simpla , ce foloseste semnale de intrare dar care contribuie la un calcul mult mai complex la nivel de retea
unitate de calcul ce realizeaza o multitudine de operatii complexe la nivel de retea si care de asemenea tinde sa complice ecuatiile din retelele simple, fiind conceput pentru calcule avansate
una dintre componentele fundamentale ale unei retele neuronale
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Cum se calculeaza iesirea atunci cand vorbim despre modelul neuronal artificial?
cu valoarea activarii totale, se calculeaza cu functia de activare (de transfer) a neuronului
y = f(s)
cu valoarea intrarii totale, se calculeaza cu functia de activare a neuronului
iesirile nu se calculeaza, ele raman valori nedefinite in structurile neurale
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
care este domeniul de definitie al functiei treapta asimetrica?
f(s) =
{ 0 , s<0
{ 1, s>= 0
f(s) =
{ 1, s< 0
{ 0, s>=0
f(s) =
{ -1 , s<0
{ 1, s>= 0
f(s) = s
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
care e domeniul de definitie al functiei treapta simetrica?
f(s) = s
f(s) =
{ -1, s<0
{ 1, s>=0
f(s) =
{ 0, s<0
{ 1, s>=0
f(s) =
{ 0 , s<0
{ s, 0<=s<=1
{1, s>1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
care e domeniul de definitie al functiei treapta liniara(identitate)?
f(s) = e^s - e^-s / e^s + e^-s
f(s) = 1/ 1+ e^ -s
f(s) = s
f(s) =
{ -1, s<0
{ s, 0<=s<=1
{1, s>0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
care e domeniul de definitie cand vorbim despre functia liniara cu saturatie asimetrica?
f(s) =
{ 0 , s<0
{ s, 0<=s<=1
{ 1, s>1
f(s) =
{-1 , s<0
{s, 0<=s<=1
{1, s>1
f(s) = s
f(s) = 1/ 1+ e^-s
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
care e domeniul de definitie cand vorbim despre functia liniara cu saturatie simetrica?
f(s) =
{ 0 , s<0
{ s, 0<=s<=1
{1, s>1
f(s) =
{ -1, s<0
{s, 0<=s<=1
{1, s>0
f(s) =
{0, s<0
{1, s>=0
f(s) =
{ -1, s<0
{1, s>=0
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