Metalimbajul BNF

Quiz
•
Instructional Technology
•
10th Grade
•
Hard
Aurelia Feghiu
Used 66+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un limbaj de programare se deosebește prin ...
Sintaxa și semnatica lui
simboluri terminale
simboluri neterminale
BNF
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Setul de reguli care guvernează alcătuirea propoziţiilor se numește ...
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O construcţie formată din două părţi,
stânga și dreapta, separate prin simbolurile “::=” reprezintă
simbol neterminal
simbol terminal
BNF
formulă metalingvistica
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Selectați răspunsurile corecte pentru următoarea formulă metalingvistică
<Id > ::= < Literă >< Cifră >
0a
b5
11a
o7
k45
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Sintaxa unui limbaj foarte simplu este descrisă folosind următoarele formule metalingvistice:
<Cifra> ::= 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
<Numar> ::= <Cifra> {<Cifra>}
<Semn> ::= + | –
Care din secvențele ce urmează sînt conforme defi niției unității lexicale
<ID> ::= [ + | - ] <Numar>{<Numar>}
-29
2
32
-21+11
+9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Încadrarea unui simbol neterminal în {,} semnifică
concatenare
repetare
formula metalingvistică
unitate lexicală
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Cum se numește operația din următoarea formulă metalingvistică: <Id> ::= <Literă><Cifră> ?
simbol neterminal
concatenare
repetare
alipire
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